/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/popl20/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 00:51:53,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 00:51:53,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 00:51:53,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 00:51:53,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 00:51:53,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 00:51:53,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 00:51:53,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 00:51:53,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 00:51:53,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 00:51:53,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 00:51:53,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 00:51:53,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 00:51:53,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 00:51:53,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 00:51:53,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 00:51:53,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 00:51:53,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 00:51:53,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 00:51:53,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 00:51:53,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 00:51:53,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 00:51:53,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 00:51:53,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 00:51:53,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-12 00:51:53,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 00:51:53,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 00:51:53,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 00:51:53,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 00:51:53,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 00:51:53,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 00:51:53,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 00:51:53,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 00:51:53,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 00:51:53,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 00:51:53,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 00:51:53,756 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 [2021-03-12 00:51:53,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 00:51:53,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 00:51:53,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 00:51:53,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 00:51:53,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 00:51:53,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 00:51:53,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 00:51:53,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 00:51:53,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 00:51:53,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 00:51:53,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 00:51:53,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 00:51:53,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-12 00:51:53,772 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 00:51:53,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 00:51:53,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 00:51:53,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 00:51:53,972 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 00:51:53,976 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 00:51:53,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2021-03-12 00:51:53,985 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2021-03-12 00:51:54,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 00:51:54,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 00:51:54,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 00:51:54,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 00:51:54,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 00:51:54,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 00:51:54,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 00:51:54,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 00:51:54,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 00:51:54,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/1) ... [2021-03-12 00:51:54,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 00:51:54,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 00:51:54,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 00:51:54,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 00:51:54,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (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 [2021-03-12 00:51:54,088 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 00:51:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 00:51:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 00:51:54,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 00:51:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 00:51:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 00:51:54,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 00:51:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 00:51:54,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 00:51:54,089 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 00:51:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 00:51:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 00:51:54,090 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-12 00:51:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-12 00:51:54,090 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-12 00:51:54,090 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 00:51:54,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 00:51:54,224 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 00:51:54,225 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:51:54 BoogieIcfgContainer [2021-03-12 00:51:54,225 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 00:51:54,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 00:51:54,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 00:51:54,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 00:51:54,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 12:51:54" (1/2) ... [2021-03-12 00:51:54,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b9f52 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 12:51:54, skipping insertion in model container [2021-03-12 00:51:54,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 12:51:54" (2/2) ... [2021-03-12 00:51:54,230 INFO L111 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2021-03-12 00:51:54,233 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 00:51:54,235 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 00:51:54,235 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 00:51:54,285 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 00:51:54,297 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-03-12 00:51:54,310 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 00:51:54,310 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-12 00:51:54,310 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 00:51:54,310 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 00:51:54,310 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 00:51:54,310 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 00:51:54,310 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 00:51:54,310 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 00:51:54,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 36 transitions, 104 flow [2021-03-12 00:51:54,332 INFO L129 PetriNetUnfolder]: 4/32 cut-off events. [2021-03-12 00:51:54,333 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-12 00:51:54,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 32 events. 4/32 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-12 00:51:54,335 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 36 transitions, 104 flow [2021-03-12 00:51:54,337 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 39 places, 30 transitions, 84 flow [2021-03-12 00:51:54,339 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-12 00:51:54,346 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 30 transitions, 84 flow [2021-03-12 00:51:54,348 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 30 transitions, 84 flow [2021-03-12 00:51:54,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 30 transitions, 84 flow [2021-03-12 00:51:54,355 INFO L129 PetriNetUnfolder]: 4/30 cut-off events. [2021-03-12 00:51:54,355 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-12 00:51:54,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 4/30 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 46 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-12 00:51:54,357 INFO L116 LiptonReduction]: Number of co-enabled transitions 288 [2021-03-12 00:51:54,577 INFO L131 LiptonReduction]: Checked pairs total: 192 [2021-03-12 00:51:54,577 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-12 00:51:54,578 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-03-12 00:51:54,590 INFO L129 PetriNetUnfolder]: 4/17 cut-off events. [2021-03-12 00:51:54,590 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-12 00:51:54,590 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:54,590 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:54,591 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:54,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:54,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1762612158, now seen corresponding path program 1 times [2021-03-12 00:51:54,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:54,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355462646] [2021-03-12 00:51:54,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:54,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:54,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:54,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355462646] [2021-03-12 00:51:54,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:54,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-12 00:51:54,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091878894] [2021-03-12 00:51:54,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 00:51:54,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:54,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 00:51:54,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 00:51:54,748 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 48 [2021-03-12 00:51:54,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 18 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:54,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 48 [2021-03-12 00:51:54,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:54,785 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][14], [thread4Thread1of1ForFork3InUse, 49#true, 17#L24-1true, 18#L76true, 20#L58-1true, 4#L35-1true, 38#L47-1true, thread2Thread1of1ForFork1InUse, thread1Thread1of1ForFork0InUse, thread3Thread1of1ForFork2InUse]) [2021-03-12 00:51:54,785 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,786 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,786 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-12 00:51:54,786 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-12 00:51:54,799 INFO L129 PetriNetUnfolder]: 17/43 cut-off events. [2021-03-12 00:51:54,799 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-12 00:51:54,800 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 43 events. 17/43 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 72 event pairs, 0 based on Foata normal form. 3/41 useless extension candidates. Maximal degree in co-relation 60. Up to 20 conditions per place. [2021-03-12 00:51:54,802 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 5 selfloop transitions, 3 changer transitions 0/20 dead transitions. [2021-03-12 00:51:54,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 20 transitions, 80 flow [2021-03-12 00:51:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 00:51:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-12 00:51:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2021-03-12 00:51:54,814 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7847222222222222 [2021-03-12 00:51:54,815 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 113 transitions. [2021-03-12 00:51:54,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 113 transitions. [2021-03-12 00:51:54,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:54,817 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 113 transitions. [2021-03-12 00:51:54,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,825 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,826 INFO L185 Difference]: Start difference. First operand has 27 places, 18 transitions, 60 flow. Second operand 3 states and 113 transitions. [2021-03-12 00:51:54,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 20 transitions, 80 flow [2021-03-12 00:51:54,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 20 transitions, 64 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-03-12 00:51:54,831 INFO L241 Difference]: Finished difference. Result has 22 places, 20 transitions, 67 flow [2021-03-12 00:51:54,833 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=67, PETRI_PLACES=22, PETRI_TRANSITIONS=20} [2021-03-12 00:51:54,833 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, -5 predicate places. [2021-03-12 00:51:54,833 INFO L480 AbstractCegarLoop]: Abstraction has has 22 places, 20 transitions, 67 flow [2021-03-12 00:51:54,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,833 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:54,834 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:54,834 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 00:51:54,834 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:54,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:54,835 INFO L82 PathProgramCache]: Analyzing trace with hash -289805094, now seen corresponding path program 1 times [2021-03-12 00:51:54,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:54,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012557613] [2021-03-12 00:51:54,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:54,895 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-12 00:51:54,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:51:54,902 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:51:54,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:54,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:54,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:54,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:54,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:54,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012557613] [2021-03-12 00:51:54,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:54,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 00:51:54,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129562530] [2021-03-12 00:51:54,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 00:51:54,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:54,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 00:51:54,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-12 00:51:54,920 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:51:54,921 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 20 transitions, 67 flow. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:54,921 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:54,921 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:51:54,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:54,982 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][24], [49#true, 18#L76true, 20#L58-1true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true, 58#(<= N1 i1), 14#thread1EXITtrue]) [2021-03-12 00:51:54,982 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,983 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,983 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,983 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,984 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][23], [49#true, 17#L24-1true, 18#L76true, 20#L58-1true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true, 54#true]) [2021-03-12 00:51:54,984 INFO L384 tUnfolder$Statistics]: this new event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,986 INFO L387 tUnfolder$Statistics]: existing Event has 7 ancestors and is cut-off event [2021-03-12 00:51:54,986 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,986 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,989 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][21], [49#true, 33#thread4EXITtrue, 18#L76true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true, 58#(<= N1 i1), 14#thread1EXITtrue]) [2021-03-12 00:51:54,992 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,992 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,992 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,992 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,993 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][24], [49#true, 18#L76true, 20#L58-1true, 4#L35-1true, Black: 51#(= counter 0), 38#L47-1true, 58#(<= N1 i1), 14#thread1EXITtrue]) [2021-03-12 00:51:54,993 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,993 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,993 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,993 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,993 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,996 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][23], [49#true, 17#L24-1true, 18#L76true, 20#L58-1true, Black: 51#(= counter 0), 38#L47-1true, 54#true, 11#thread2EXITtrue]) [2021-03-12 00:51:54,996 INFO L384 tUnfolder$Statistics]: this new event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,996 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,996 INFO L387 tUnfolder$Statistics]: existing Event has 8 ancestors and is cut-off event [2021-03-12 00:51:54,996 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:54,999 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([122] L58-1-->L58-1: Formula: (and (= v_counter_49 (+ v_counter_50 (* v_C_22 (- 1)))) (< v_j2_15 v_M2_6) (= (+ v_j2_15 1) v_j2_14) (< 0 v_counter_50)) InVars {counter=v_counter_50, j2=v_j2_15, M2=v_M2_6, C=v_C_22} OutVars{counter=v_counter_49, j2=v_j2_14, M2=v_M2_6, C=v_C_22} AuxVars[] AssignedVars[counter, j2][24], [49#true, 18#L76true, 20#L58-1true, Black: 51#(= counter 0), 38#L47-1true, 58#(<= N1 i1), 11#thread2EXITtrue, 14#thread1EXITtrue]) [2021-03-12 00:51:55,000 INFO L384 tUnfolder$Statistics]: this new event has 10 ancestors and is cut-off event [2021-03-12 00:51:55,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-12 00:51:55,000 INFO L387 tUnfolder$Statistics]: existing Event has 10 ancestors and is cut-off event [2021-03-12 00:51:55,000 INFO L387 tUnfolder$Statistics]: existing Event has 9 ancestors and is cut-off event [2021-03-12 00:51:55,006 INFO L129 PetriNetUnfolder]: 85/139 cut-off events. [2021-03-12 00:51:55,006 INFO L130 PetriNetUnfolder]: For 49/71 co-relation queries the response was YES. [2021-03-12 00:51:55,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 139 events. 85/139 cut-off events. For 49/71 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 372 event pairs, 2 based on Foata normal form. 13/132 useless extension candidates. Maximal degree in co-relation 273. Up to 65 conditions per place. [2021-03-12 00:51:55,009 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 14 selfloop transitions, 9 changer transitions 0/35 dead transitions. [2021-03-12 00:51:55,009 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 35 transitions, 155 flow [2021-03-12 00:51:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:51:55,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:51:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 160 transitions. [2021-03-12 00:51:55,014 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-12 00:51:55,014 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 160 transitions. [2021-03-12 00:51:55,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 160 transitions. [2021-03-12 00:51:55,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:55,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 160 transitions. [2021-03-12 00:51:55,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 32.0) internal successors, (160), 5 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,018 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,018 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,018 INFO L185 Difference]: Start difference. First operand has 22 places, 20 transitions, 67 flow. Second operand 5 states and 160 transitions. [2021-03-12 00:51:55,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 35 transitions, 155 flow [2021-03-12 00:51:55,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 35 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-12 00:51:55,020 INFO L241 Difference]: Finished difference. Result has 29 places, 27 transitions, 142 flow [2021-03-12 00:51:55,021 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=142, PETRI_PLACES=29, PETRI_TRANSITIONS=27} [2021-03-12 00:51:55,021 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2021-03-12 00:51:55,021 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 27 transitions, 142 flow [2021-03-12 00:51:55,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,021 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:55,021 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:55,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 00:51:55,022 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:55,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:55,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1863177743, now seen corresponding path program 1 times [2021-03-12 00:51:55,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:55,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586177462] [2021-03-12 00:51:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:55,047 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:55,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,054 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:51:55,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:55,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586177462] [2021-03-12 00:51:55,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801952478] [2021-03-12 00:51:55,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:55,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:51:55,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:55,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:55,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,174 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:51:55,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,202 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:55,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:55,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:55,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,239 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 00:51:55,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:55,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-12 00:51:55,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030099966] [2021-03-12 00:51:55,258 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:51:55,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:55,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:51:55,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:51:55,261 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:55,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:55,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:55,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:55,317 INFO L129 PetriNetUnfolder]: 113/200 cut-off events. [2021-03-12 00:51:55,317 INFO L130 PetriNetUnfolder]: For 265/336 co-relation queries the response was YES. [2021-03-12 00:51:55,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 622 conditions, 200 events. 113/200 cut-off events. For 265/336 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 687 event pairs, 9 based on Foata normal form. 26/206 useless extension candidates. Maximal degree in co-relation 562. Up to 110 conditions per place. [2021-03-12 00:51:55,319 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 8 selfloop transitions, 7 changer transitions 0/34 dead transitions. [2021-03-12 00:51:55,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 202 flow [2021-03-12 00:51:55,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-12 00:51:55,321 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-12 00:51:55,321 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:55,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,323 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,323 INFO L185 Difference]: Start difference. First operand has 29 places, 27 transitions, 142 flow. Second operand 4 states and 141 transitions. [2021-03-12 00:51:55,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 202 flow [2021-03-12 00:51:55,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 34 transitions, 202 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 00:51:55,327 INFO L241 Difference]: Finished difference. Result has 34 places, 30 transitions, 191 flow [2021-03-12 00:51:55,327 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=191, PETRI_PLACES=34, PETRI_TRANSITIONS=30} [2021-03-12 00:51:55,327 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2021-03-12 00:51:55,327 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 30 transitions, 191 flow [2021-03-12 00:51:55,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,327 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:55,327 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:55,531 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-03-12 00:51:55,531 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:55,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:55,531 INFO L82 PathProgramCache]: Analyzing trace with hash -450201595, now seen corresponding path program 2 times [2021-03-12 00:51:55,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:55,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12263444] [2021-03-12 00:51:55,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:55,542 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:55,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12263444] [2021-03-12 00:51:55,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:55,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:51:55,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843687409] [2021-03-12 00:51:55,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:55,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:55,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:55,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:55,550 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:55,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 191 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:55,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:55,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:55,575 INFO L129 PetriNetUnfolder]: 91/159 cut-off events. [2021-03-12 00:51:55,575 INFO L130 PetriNetUnfolder]: For 400/454 co-relation queries the response was YES. [2021-03-12 00:51:55,575 INFO L84 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 159 events. 91/159 cut-off events. For 400/454 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 492 event pairs, 2 based on Foata normal form. 24/172 useless extension candidates. Maximal degree in co-relation 555. Up to 86 conditions per place. [2021-03-12 00:51:55,576 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 13 selfloop transitions, 7 changer transitions 0/39 dead transitions. [2021-03-12 00:51:55,576 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 290 flow [2021-03-12 00:51:55,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:51:55,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:51:55,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2021-03-12 00:51:55,577 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-12 00:51:55,577 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 175 transitions. [2021-03-12 00:51:55,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 175 transitions. [2021-03-12 00:51:55,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:55,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 175 transitions. [2021-03-12 00:51:55,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,578 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,578 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,578 INFO L185 Difference]: Start difference. First operand has 34 places, 30 transitions, 191 flow. Second operand 5 states and 175 transitions. [2021-03-12 00:51:55,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 290 flow [2021-03-12 00:51:55,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 278 flow, removed 6 selfloop flow, removed 0 redundant places. [2021-03-12 00:51:55,580 INFO L241 Difference]: Finished difference. Result has 39 places, 33 transitions, 217 flow [2021-03-12 00:51:55,580 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=217, PETRI_PLACES=39, PETRI_TRANSITIONS=33} [2021-03-12 00:51:55,580 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 12 predicate places. [2021-03-12 00:51:55,581 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 217 flow [2021-03-12 00:51:55,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,581 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:55,581 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:55,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 00:51:55,581 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:55,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:55,581 INFO L82 PathProgramCache]: Analyzing trace with hash -216427014, now seen corresponding path program 2 times [2021-03-12 00:51:55,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:55,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411218897] [2021-03-12 00:51:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:55,592 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:55,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,596 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:51:55,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:55,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411218897] [2021-03-12 00:51:55,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811627562] [2021-03-12 00:51:55,604 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) [2021-03-12 00:51:55,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:51:55,635 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:51:55,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-03-12 00:51:55,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:55,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:55,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:55,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:55,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:55,665 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 00:51:55,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:55,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-03-12 00:51:55,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159090783] [2021-03-12 00:51:55,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-12 00:51:55,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:55,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-12 00:51:55,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-12 00:51:55,674 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:55,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 217 flow. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:55,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:55,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:55,732 INFO L129 PetriNetUnfolder]: 91/168 cut-off events. [2021-03-12 00:51:55,732 INFO L130 PetriNetUnfolder]: For 429/484 co-relation queries the response was YES. [2021-03-12 00:51:55,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 679 conditions, 168 events. 91/168 cut-off events. For 429/484 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 553 event pairs, 5 based on Foata normal form. 12/161 useless extension candidates. Maximal degree in co-relation 625. Up to 88 conditions per place. [2021-03-12 00:51:55,733 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 12 selfloop transitions, 9 changer transitions 0/40 dead transitions. [2021-03-12 00:51:55,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 40 transitions, 312 flow [2021-03-12 00:51:55,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:55,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-12 00:51:55,736 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-12 00:51:55,736 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:55,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-12 00:51:55,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,738 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,738 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 217 flow. Second operand 4 states and 141 transitions. [2021-03-12 00:51:55,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 40 transitions, 312 flow [2021-03-12 00:51:55,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 40 transitions, 306 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-12 00:51:55,741 INFO L241 Difference]: Finished difference. Result has 43 places, 35 transitions, 266 flow [2021-03-12 00:51:55,741 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=266, PETRI_PLACES=43, PETRI_TRANSITIONS=35} [2021-03-12 00:51:55,741 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 16 predicate places. [2021-03-12 00:51:55,741 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 35 transitions, 266 flow [2021-03-12 00:51:55,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,741 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:55,741 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:55,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:55,954 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:55,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:55,955 INFO L82 PathProgramCache]: Analyzing trace with hash 587685806, now seen corresponding path program 3 times [2021-03-12 00:51:55,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:55,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494562579] [2021-03-12 00:51:55,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:55,980 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:55,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:55,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:55,987 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:55,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:55,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494562579] [2021-03-12 00:51:55,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:55,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:51:55,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010954319] [2021-03-12 00:51:55,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:55,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:55,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:55,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:55,989 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:55,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 35 transitions, 266 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:55,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:55,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:55,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,012 INFO L129 PetriNetUnfolder]: 75/145 cut-off events. [2021-03-12 00:51:56,012 INFO L130 PetriNetUnfolder]: For 614/654 co-relation queries the response was YES. [2021-03-12 00:51:56,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 145 events. 75/145 cut-off events. For 614/654 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 488 event pairs, 3 based on Foata normal form. 26/166 useless extension candidates. Maximal degree in co-relation 604. Up to 70 conditions per place. [2021-03-12 00:51:56,014 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 9 selfloop transitions, 12 changer transitions 7/46 dead transitions. [2021-03-12 00:51:56,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 46 transitions, 413 flow [2021-03-12 00:51:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:51:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:51:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2021-03-12 00:51:56,015 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-12 00:51:56,015 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,016 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,016 INFO L185 Difference]: Start difference. First operand has 43 places, 35 transitions, 266 flow. Second operand 5 states and 175 transitions. [2021-03-12 00:51:56,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 46 transitions, 413 flow [2021-03-12 00:51:56,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 46 transitions, 405 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-12 00:51:56,018 INFO L241 Difference]: Finished difference. Result has 47 places, 35 transitions, 297 flow [2021-03-12 00:51:56,018 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=260, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=47, PETRI_TRANSITIONS=35} [2021-03-12 00:51:56,018 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 20 predicate places. [2021-03-12 00:51:56,018 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 297 flow [2021-03-12 00:51:56,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,018 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,018 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:56,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 00:51:56,018 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:56,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1439392352, now seen corresponding path program 1 times [2021-03-12 00:51:56,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:56,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667156101] [2021-03-12 00:51:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,029 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:56,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,033 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:51:56,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:56,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667156101] [2021-03-12 00:51:56,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:56,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:51:56,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028709605] [2021-03-12 00:51:56,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:56,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:56,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:56,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:56,039 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:56,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 297 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:56,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:56,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,058 INFO L129 PetriNetUnfolder]: 71/149 cut-off events. [2021-03-12 00:51:56,058 INFO L130 PetriNetUnfolder]: For 519/575 co-relation queries the response was YES. [2021-03-12 00:51:56,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 668 conditions, 149 events. 71/149 cut-off events. For 519/575 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 489 event pairs, 8 based on Foata normal form. 10/152 useless extension candidates. Maximal degree in co-relation 606. Up to 83 conditions per place. [2021-03-12 00:51:56,059 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 14 selfloop transitions, 7 changer transitions 0/42 dead transitions. [2021-03-12 00:51:56,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 42 transitions, 399 flow [2021-03-12 00:51:56,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-12 00:51:56,060 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-12 00:51:56,060 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,060 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,061 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,061 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,061 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 297 flow. Second operand 4 states and 141 transitions. [2021-03-12 00:51:56,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 42 transitions, 399 flow [2021-03-12 00:51:56,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 390 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-12 00:51:56,063 INFO L241 Difference]: Finished difference. Result has 51 places, 38 transitions, 346 flow [2021-03-12 00:51:56,063 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=346, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2021-03-12 00:51:56,063 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 24 predicate places. [2021-03-12 00:51:56,063 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 346 flow [2021-03-12 00:51:56,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,063 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,063 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:56,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-12 00:51:56,063 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:56,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:56,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1199500727, now seen corresponding path program 1 times [2021-03-12 00:51:56,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:56,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216044581] [2021-03-12 00:51:56,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,076 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-12 00:51:56,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:56,082 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-03-12 00:51:56,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:51:56,089 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:51:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:56,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216044581] [2021-03-12 00:51:56,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566284754] [2021-03-12 00:51:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:51:56,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:56,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:56,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:51:56,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:56,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,175 INFO L142 QuantifierPusher]: treesize reduction 9, result has 10.0 percent of original size [2021-03-12 00:51:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:56,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 00:51:56,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-03-12 00:51:56,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992624380] [2021-03-12 00:51:56,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:56,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:56,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:56,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-03-12 00:51:56,185 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:56,186 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 346 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,186 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:56,186 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:56,186 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,223 INFO L129 PetriNetUnfolder]: 80/156 cut-off events. [2021-03-12 00:51:56,223 INFO L130 PetriNetUnfolder]: For 627/672 co-relation queries the response was YES. [2021-03-12 00:51:56,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 778 conditions, 156 events. 80/156 cut-off events. For 627/672 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 501 event pairs, 4 based on Foata normal form. 26/179 useless extension candidates. Maximal degree in co-relation 718. Up to 89 conditions per place. [2021-03-12 00:51:56,224 INFO L132 encePairwiseOnDemand]: 44/48 looper letters, 11 selfloop transitions, 8 changer transitions 1/46 dead transitions. [2021-03-12 00:51:56,224 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 46 transitions, 438 flow [2021-03-12 00:51:56,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:56,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2021-03-12 00:51:56,225 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.734375 [2021-03-12 00:51:56,225 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 141 transitions. [2021-03-12 00:51:56,226 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,226 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,226 INFO L185 Difference]: Start difference. First operand has 51 places, 38 transitions, 346 flow. Second operand 4 states and 141 transitions. [2021-03-12 00:51:56,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 46 transitions, 438 flow [2021-03-12 00:51:56,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 46 transitions, 438 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 00:51:56,228 INFO L241 Difference]: Finished difference. Result has 56 places, 41 transitions, 408 flow [2021-03-12 00:51:56,228 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=408, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2021-03-12 00:51:56,229 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 29 predicate places. [2021-03-12 00:51:56,229 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 408 flow [2021-03-12 00:51:56,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,229 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,229 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:56,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:56,445 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:56,446 INFO L82 PathProgramCache]: Analyzing trace with hash 955120735, now seen corresponding path program 2 times [2021-03-12 00:51:56,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:56,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852617290] [2021-03-12 00:51:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,460 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:51:56,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:56,468 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852617290] [2021-03-12 00:51:56,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:56,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:51:56,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390661429] [2021-03-12 00:51:56,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:56,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:56,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:56,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:56,469 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:56,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 41 transitions, 408 flow. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:56,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:56,470 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,494 INFO L129 PetriNetUnfolder]: 60/121 cut-off events. [2021-03-12 00:51:56,494 INFO L130 PetriNetUnfolder]: For 645/672 co-relation queries the response was YES. [2021-03-12 00:51:56,494 INFO L84 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 121 events. 60/121 cut-off events. For 645/672 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 383 event pairs, 2 based on Foata normal form. 15/132 useless extension candidates. Maximal degree in co-relation 594. Up to 64 conditions per place. [2021-03-12 00:51:56,495 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 12 selfloop transitions, 9 changer transitions 6/50 dead transitions. [2021-03-12 00:51:56,495 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 50 transitions, 537 flow [2021-03-12 00:51:56,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:51:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:51:56,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2021-03-12 00:51:56,496 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-12 00:51:56,496 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,496 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 175 transitions. [2021-03-12 00:51:56,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 35.0) internal successors, (175), 5 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,497 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,497 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,497 INFO L185 Difference]: Start difference. First operand has 56 places, 41 transitions, 408 flow. Second operand 5 states and 175 transitions. [2021-03-12 00:51:56,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 50 transitions, 537 flow [2021-03-12 00:51:56,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 50 transitions, 523 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-03-12 00:51:56,499 INFO L241 Difference]: Finished difference. Result has 59 places, 39 transitions, 395 flow [2021-03-12 00:51:56,500 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=395, PETRI_PLACES=59, PETRI_TRANSITIONS=39} [2021-03-12 00:51:56,500 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 32 predicate places. [2021-03-12 00:51:56,500 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 395 flow [2021-03-12 00:51:56,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,500 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,500 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:56,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-12 00:51:56,500 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:56,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:56,500 INFO L82 PathProgramCache]: Analyzing trace with hash -964717330, now seen corresponding path program 1 times [2021-03-12 00:51:56,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:56,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108312232] [2021-03-12 00:51:56,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:56,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108312232] [2021-03-12 00:51:56,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 00:51:56,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 00:51:56,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18690146] [2021-03-12 00:51:56,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:56,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:56,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:56,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:56,515 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:56,515 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 395 flow. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,515 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:56,515 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:56,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,547 INFO L129 PetriNetUnfolder]: 88/203 cut-off events. [2021-03-12 00:51:56,547 INFO L130 PetriNetUnfolder]: For 961/1006 co-relation queries the response was YES. [2021-03-12 00:51:56,548 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 203 events. 88/203 cut-off events. For 961/1006 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 858 event pairs, 4 based on Foata normal form. 28/223 useless extension candidates. Maximal degree in co-relation 1030. Up to 119 conditions per place. [2021-03-12 00:51:56,549 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 21 selfloop transitions, 27 changer transitions 0/65 dead transitions. [2021-03-12 00:51:56,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 65 transitions, 807 flow [2021-03-12 00:51:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2021-03-12 00:51:56,550 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-03-12 00:51:56,550 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 144 transitions. [2021-03-12 00:51:56,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 144 transitions. [2021-03-12 00:51:56,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 144 transitions. [2021-03-12 00:51:56,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 36.0) internal successors, (144), 4 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,551 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,551 INFO L185 Difference]: Start difference. First operand has 59 places, 39 transitions, 395 flow. Second operand 4 states and 144 transitions. [2021-03-12 00:51:56,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 65 transitions, 807 flow [2021-03-12 00:51:56,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 65 transitions, 788 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-12 00:51:56,554 INFO L241 Difference]: Finished difference. Result has 62 places, 63 transitions, 835 flow [2021-03-12 00:51:56,554 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=835, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2021-03-12 00:51:56,554 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 35 predicate places. [2021-03-12 00:51:56,554 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 835 flow [2021-03-12 00:51:56,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,554 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,554 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:56,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-12 00:51:56,554 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:56,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:56,555 INFO L82 PathProgramCache]: Analyzing trace with hash 94892980, now seen corresponding path program 2 times [2021-03-12 00:51:56,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:56,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190036340] [2021-03-12 00:51:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:56,566 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-12 00:51:56,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:51:56,577 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:51:56,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,582 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-12 00:51:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:56,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190036340] [2021-03-12 00:51:56,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356922983] [2021-03-12 00:51:56,583 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 [2021-03-12 00:51:56,615 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:51:56,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:51:56,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:51:56,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:56,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:56,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:56,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,644 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:56,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:56,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:56,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:56,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:51:56,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:51:56,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:56,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,674 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:56,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:56,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:56,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:56,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:56,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:56,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:56,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:56,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5] total 7 [2021-03-12 00:51:56,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88391086] [2021-03-12 00:51:56,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:51:56,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:56,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:51:56,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:51:56,702 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:51:56,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 835 flow. Second operand has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:56,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:51:56,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:56,936 INFO L129 PetriNetUnfolder]: 669/1164 cut-off events. [2021-03-12 00:51:56,936 INFO L130 PetriNetUnfolder]: For 8035/8190 co-relation queries the response was YES. [2021-03-12 00:51:56,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7213 conditions, 1164 events. 669/1164 cut-off events. For 8035/8190 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 6016 event pairs, 59 based on Foata normal form. 158/1297 useless extension candidates. Maximal degree in co-relation 7018. Up to 678 conditions per place. [2021-03-12 00:51:56,947 INFO L132 encePairwiseOnDemand]: 41/48 looper letters, 49 selfloop transitions, 74 changer transitions 5/148 dead transitions. [2021-03-12 00:51:56,947 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 148 transitions, 2135 flow [2021-03-12 00:51:56,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 00:51:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-12 00:51:56,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 390 transitions. [2021-03-12 00:51:56,948 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6770833333333334 [2021-03-12 00:51:56,949 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 390 transitions. [2021-03-12 00:51:56,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 390 transitions. [2021-03-12 00:51:56,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:56,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 390 transitions. [2021-03-12 00:51:56,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 32.5) internal successors, (390), 12 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 48.0) internal successors, (624), 13 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,950 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 48.0) internal successors, (624), 13 states have internal predecessors, (624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,950 INFO L185 Difference]: Start difference. First operand has 62 places, 63 transitions, 835 flow. Second operand 12 states and 390 transitions. [2021-03-12 00:51:56,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 148 transitions, 2135 flow [2021-03-12 00:51:56,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 148 transitions, 2135 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-12 00:51:56,962 INFO L241 Difference]: Finished difference. Result has 81 places, 116 transitions, 1943 flow [2021-03-12 00:51:56,962 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1943, PETRI_PLACES=81, PETRI_TRANSITIONS=116} [2021-03-12 00:51:56,962 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 54 predicate places. [2021-03-12 00:51:56,962 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 116 transitions, 1943 flow [2021-03-12 00:51:56,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:56,963 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:56,963 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:57,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:57,171 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:57,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:57,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1077764219, now seen corresponding path program 1 times [2021-03-12 00:51:57,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:57,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943934448] [2021-03-12 00:51:57,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:57,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,199 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-12 00:51:57,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:57,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943934448] [2021-03-12 00:51:57,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685566273] [2021-03-12 00:51:57,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:57,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 00:51:57,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:57,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,249 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,250 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 00:51:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,257 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,268 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 00:51:57,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:57,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:57,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2021-03-12 00:51:57,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104189271] [2021-03-12 00:51:57,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 00:51:57,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:57,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 00:51:57,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 00:51:57,281 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:57,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 116 transitions, 1943 flow. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,282 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:57,282 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:57,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:57,368 INFO L129 PetriNetUnfolder]: 446/871 cut-off events. [2021-03-12 00:51:57,368 INFO L130 PetriNetUnfolder]: For 10251/10798 co-relation queries the response was YES. [2021-03-12 00:51:57,372 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6597 conditions, 871 events. 446/871 cut-off events. For 10251/10798 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 5114 event pairs, 106 based on Foata normal form. 15/804 useless extension candidates. Maximal degree in co-relation 6374. Up to 459 conditions per place. [2021-03-12 00:51:57,378 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 48 selfloop transitions, 56 changer transitions 0/117 dead transitions. [2021-03-12 00:51:57,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 117 transitions, 2155 flow [2021-03-12 00:51:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 00:51:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-12 00:51:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions. [2021-03-12 00:51:57,379 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7395833333333334 [2021-03-12 00:51:57,379 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 142 transitions. [2021-03-12 00:51:57,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 142 transitions. [2021-03-12 00:51:57,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:57,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 142 transitions. [2021-03-12 00:51:57,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,380 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,380 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 48.0) internal successors, (240), 5 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,380 INFO L185 Difference]: Start difference. First operand has 81 places, 116 transitions, 1943 flow. Second operand 4 states and 142 transitions. [2021-03-12 00:51:57,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 117 transitions, 2155 flow [2021-03-12 00:51:57,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 117 transitions, 1862 flow, removed 140 selfloop flow, removed 3 redundant places. [2021-03-12 00:51:57,394 INFO L241 Difference]: Finished difference. Result has 78 places, 116 transitions, 1806 flow [2021-03-12 00:51:57,394 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=1652, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1806, PETRI_PLACES=78, PETRI_TRANSITIONS=116} [2021-03-12 00:51:57,394 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 51 predicate places. [2021-03-12 00:51:57,394 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 116 transitions, 1806 flow [2021-03-12 00:51:57,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,395 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:57,395 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:57,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 00:51:57,607 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:57,607 INFO L82 PathProgramCache]: Analyzing trace with hash 2142047569, now seen corresponding path program 2 times [2021-03-12 00:51:57,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:57,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235961794] [2021-03-12 00:51:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:57,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:57,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,624 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-03-12 00:51:57,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:57,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235961794] [2021-03-12 00:51:57,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732488820] [2021-03-12 00:51:57,636 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:57,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:51:57,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:51:57,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 00:51:57,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:57,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,679 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,682 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,683 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,684 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:57,687 INFO L142 QuantifierPusher]: treesize reduction 2, result has 89.5 percent of original size [2021-03-12 00:51:57,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,689 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-12 00:51:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:57,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:57,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:57,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-03-12 00:51:57,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105016623] [2021-03-12 00:51:57,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-12 00:51:57,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:57,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-12 00:51:57,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-12 00:51:57,710 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:51:57,710 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 116 transitions, 1806 flow. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 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) [2021-03-12 00:51:57,710 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:57,710 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:51:57,710 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:51:57,876 INFO L129 PetriNetUnfolder]: 915/1791 cut-off events. [2021-03-12 00:51:57,877 INFO L130 PetriNetUnfolder]: For 20026/21213 co-relation queries the response was YES. [2021-03-12 00:51:57,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12550 conditions, 1791 events. 915/1791 cut-off events. For 20026/21213 co-relation queries the response was YES. Maximal size of possible extension queue 211. Compared 12338 event pairs, 198 based on Foata normal form. 97/1733 useless extension candidates. Maximal degree in co-relation 12133. Up to 928 conditions per place. [2021-03-12 00:51:57,897 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 49 selfloop transitions, 156 changer transitions 0/218 dead transitions. [2021-03-12 00:51:57,897 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 218 transitions, 3618 flow [2021-03-12 00:51:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-12 00:51:57,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-12 00:51:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2021-03-12 00:51:57,898 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7541666666666667 [2021-03-12 00:51:57,898 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 181 transitions. [2021-03-12 00:51:57,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 181 transitions. [2021-03-12 00:51:57,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:51:57,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 181 transitions. [2021-03-12 00:51:57,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 36.2) internal successors, (181), 5 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,899 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 48.0) internal successors, (288), 6 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:57,899 INFO L185 Difference]: Start difference. First operand has 78 places, 116 transitions, 1806 flow. Second operand 5 states and 181 transitions. [2021-03-12 00:51:57,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 218 transitions, 3618 flow [2021-03-12 00:51:57,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 218 transitions, 3438 flow, removed 34 selfloop flow, removed 3 redundant places. [2021-03-12 00:51:57,917 INFO L241 Difference]: Finished difference. Result has 82 places, 216 transitions, 3721 flow [2021-03-12 00:51:57,917 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=1626, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=94, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3721, PETRI_PLACES=82, PETRI_TRANSITIONS=216} [2021-03-12 00:51:57,917 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 55 predicate places. [2021-03-12 00:51:57,917 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 216 transitions, 3721 flow [2021-03-12 00:51:57,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 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) [2021-03-12 00:51:57,917 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:51:57,917 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:51:58,133 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:58,133 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:51:58,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:51:58,133 INFO L82 PathProgramCache]: Analyzing trace with hash 225790590, now seen corresponding path program 3 times [2021-03-12 00:51:58,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:51:58,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164532628] [2021-03-12 00:51:58,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:51:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:51:58,152 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-12 00:51:58,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:58,158 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-12 00:51:58,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:51:58,165 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:51:58,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:58,172 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:51:58,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:58,178 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:51:58,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:58,185 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-12 00:51:58,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:51:58,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164532628] [2021-03-12 00:51:58,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847920816] [2021-03-12 00:51:58,186 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:51:58,210 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 00:51:58,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:51:58,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:51:58,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:51:58,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,223 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:58,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:51:58,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,238 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:51:58,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:58,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:51:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:51:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:51:58,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:58,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,249 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,251 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:51:58,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:51:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:51:58,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:51:58,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,261 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:51:58,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,267 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:51:58,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:51:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:51:58,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:51:58,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-12 00:51:58,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266532246] [2021-03-12 00:51:58,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 00:51:58,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:51:58,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 00:51:58,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-12 00:51:58,271 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:51:58,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 216 transitions, 3721 flow. Second operand has 10 states, 10 states have (on average 28.5) internal successors, (285), 10 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:51:58,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:51:58,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:51:58,272 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:52:00,376 INFO L129 PetriNetUnfolder]: 7764/14876 cut-off events. [2021-03-12 00:52:00,377 INFO L130 PetriNetUnfolder]: For 211293/215107 co-relation queries the response was YES. [2021-03-12 00:52:00,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 114490 conditions, 14876 events. 7764/14876 cut-off events. For 211293/215107 co-relation queries the response was YES. Maximal size of possible extension queue 1161. Compared 136186 event pairs, 420 based on Foata normal form. 1026/15423 useless extension candidates. Maximal degree in co-relation 111405. Up to 7136 conditions per place. [2021-03-12 00:52:00,599 INFO L132 encePairwiseOnDemand]: 41/48 looper letters, 366 selfloop transitions, 688 changer transitions 0/1083 dead transitions. [2021-03-12 00:52:00,599 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 1083 transitions, 20867 flow [2021-03-12 00:52:00,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-03-12 00:52:00,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-03-12 00:52:00,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 717 transitions. [2021-03-12 00:52:00,601 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6789772727272727 [2021-03-12 00:52:00,601 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 717 transitions. [2021-03-12 00:52:00,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 717 transitions. [2021-03-12 00:52:00,602 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:52:00,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 717 transitions. [2021-03-12 00:52:00,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 32.59090909090909) internal successors, (717), 22 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:00,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 48.0) internal successors, (1104), 23 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:00,606 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 48.0) internal successors, (1104), 23 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:00,606 INFO L185 Difference]: Start difference. First operand has 82 places, 216 transitions, 3721 flow. Second operand 22 states and 717 transitions. [2021-03-12 00:52:00,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 1083 transitions, 20867 flow [2021-03-12 00:52:00,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 1083 transitions, 19169 flow, removed 748 selfloop flow, removed 1 redundant places. [2021-03-12 00:52:00,825 INFO L241 Difference]: Finished difference. Result has 117 places, 1042 transitions, 19490 flow [2021-03-12 00:52:00,825 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=3383, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=104, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=19490, PETRI_PLACES=117, PETRI_TRANSITIONS=1042} [2021-03-12 00:52:00,825 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 90 predicate places. [2021-03-12 00:52:00,825 INFO L480 AbstractCegarLoop]: Abstraction has has 117 places, 1042 transitions, 19490 flow [2021-03-12 00:52:00,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.5) internal successors, (285), 10 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:00,826 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:52:00,826 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:52:01,039 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 00:52:01,039 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:52:01,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:52:01,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1373246434, now seen corresponding path program 4 times [2021-03-12 00:52:01,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:52:01,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979385738] [2021-03-12 00:52:01,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:52:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:52:01,056 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:52:01,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,060 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:52:01,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:01,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:01,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979385738] [2021-03-12 00:52:01,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640937986] [2021-03-12 00:52:01,070 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 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 [2021-03-12 00:52:01,108 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 00:52:01,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:52:01,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:52:01,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:52:01,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:01,124 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:01,126 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:01,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:01,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:01,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:01,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:01,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:01,131 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:01,139 INFO L142 QuantifierPusher]: treesize reduction 1, result has 92.3 percent of original size [2021-03-12 00:52:01,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:52:01,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:01,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:52:01,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:52:01,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:52:01,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:01,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:01,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:52:01,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:01,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:01,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:52:01,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:01,167 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 00:52:01,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:01,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:01,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:52:01,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-03-12 00:52:01,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475010599] [2021-03-12 00:52:01,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:52:01,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:52:01,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:52:01,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:52:01,176 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:52:01,177 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 1042 transitions, 19490 flow. Second operand has 8 states, 8 states have (on average 33.125) internal successors, (265), 8 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:01,177 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:52:01,177 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:52:01,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:52:04,081 INFO L129 PetriNetUnfolder]: 6840/14473 cut-off events. [2021-03-12 00:52:04,081 INFO L130 PetriNetUnfolder]: For 361888/370709 co-relation queries the response was YES. [2021-03-12 00:52:04,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126730 conditions, 14473 events. 6840/14473 cut-off events. For 361888/370709 co-relation queries the response was YES. Maximal size of possible extension queue 1250. Compared 147002 event pairs, 721 based on Foata normal form. 684/14583 useless extension candidates. Maximal degree in co-relation 123357. Up to 6425 conditions per place. [2021-03-12 00:52:04,234 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 864 selfloop transitions, 493 changer transitions 5/1739 dead transitions. [2021-03-12 00:52:04,234 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 1739 transitions, 35028 flow [2021-03-12 00:52:04,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 00:52:04,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-12 00:52:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 313 transitions. [2021-03-12 00:52:04,235 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7245370370370371 [2021-03-12 00:52:04,235 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 313 transitions. [2021-03-12 00:52:04,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 313 transitions. [2021-03-12 00:52:04,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:52:04,236 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 313 transitions. [2021-03-12 00:52:04,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 34.77777777777778) internal successors, (313), 9 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:04,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 48.0) internal successors, (480), 10 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:04,237 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 48.0) internal successors, (480), 10 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:04,237 INFO L185 Difference]: Start difference. First operand has 117 places, 1042 transitions, 19490 flow. Second operand 9 states and 313 transitions. [2021-03-12 00:52:04,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 1739 transitions, 35028 flow [2021-03-12 00:52:04,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 1739 transitions, 32687 flow, removed 1169 selfloop flow, removed 1 redundant places. [2021-03-12 00:52:04,754 INFO L241 Difference]: Finished difference. Result has 127 places, 1485 transitions, 28333 flow [2021-03-12 00:52:04,755 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=18145, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=676, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=28333, PETRI_PLACES=127, PETRI_TRANSITIONS=1485} [2021-03-12 00:52:04,755 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 100 predicate places. [2021-03-12 00:52:04,755 INFO L480 AbstractCegarLoop]: Abstraction has has 127 places, 1485 transitions, 28333 flow [2021-03-12 00:52:04,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 33.125) internal successors, (265), 8 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:04,755 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:52:04,755 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:52:04,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-03-12 00:52:04,963 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:52:04,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:52:04,963 INFO L82 PathProgramCache]: Analyzing trace with hash -880717057, now seen corresponding path program 5 times [2021-03-12 00:52:04,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:52:04,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514305435] [2021-03-12 00:52:04,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:52:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:52:04,987 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:52:04,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:04,990 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:52:04,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:04,994 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:52:04,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:04,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:04,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:05,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:05,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514305435] [2021-03-12 00:52:05,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668352647] [2021-03-12 00:52:05,003 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:52:05,026 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-03-12 00:52:05,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:52:05,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:52:05,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:52:05,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,039 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:05,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,042 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:05,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:05,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,058 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:05,062 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,063 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:05,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:05,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,068 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:05,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:05,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:05,070 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-12 00:52:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:05,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:05,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:05,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:05,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:05,073 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:05,073 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 00:52:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:05,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:05,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:52:05,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-12 00:52:05,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356154881] [2021-03-12 00:52:05,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:52:05,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:52:05,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:52:05,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:52:05,083 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:52:05,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 1485 transitions, 28333 flow. Second operand has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:05,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:52:05,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:52:05,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:52:15,495 INFO L129 PetriNetUnfolder]: 22309/40862 cut-off events. [2021-03-12 00:52:15,495 INFO L130 PetriNetUnfolder]: For 1262527/1278875 co-relation queries the response was YES. [2021-03-12 00:52:15,750 INFO L84 FinitePrefix]: Finished finitePrefix Result has 387347 conditions, 40862 events. 22309/40862 cut-off events. For 1262527/1278875 co-relation queries the response was YES. Maximal size of possible extension queue 3550. Compared 415432 event pairs, 1353 based on Foata normal form. 2367/41806 useless extension candidates. Maximal degree in co-relation 380282. Up to 17183 conditions per place. [2021-03-12 00:52:15,944 INFO L132 encePairwiseOnDemand]: 41/48 looper letters, 1187 selfloop transitions, 2023 changer transitions 113/3535 dead transitions. [2021-03-12 00:52:15,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 3535 transitions, 70775 flow [2021-03-12 00:52:15,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-03-12 00:52:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2021-03-12 00:52:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 673 transitions. [2021-03-12 00:52:15,946 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6676587301587301 [2021-03-12 00:52:15,946 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 673 transitions. [2021-03-12 00:52:15,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 673 transitions. [2021-03-12 00:52:15,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:52:15,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 673 transitions. [2021-03-12 00:52:15,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 32.04761904761905) internal successors, (673), 21 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:15,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 48.0) internal successors, (1056), 22 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:15,949 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 48.0) internal successors, (1056), 22 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:15,949 INFO L185 Difference]: Start difference. First operand has 127 places, 1485 transitions, 28333 flow. Second operand 21 states and 673 transitions. [2021-03-12 00:52:15,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 3535 transitions, 70775 flow [2021-03-12 00:52:18,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 3535 transitions, 69904 flow, removed 434 selfloop flow, removed 1 redundant places. [2021-03-12 00:52:18,914 INFO L241 Difference]: Finished difference. Result has 158 places, 2904 transitions, 61572 flow [2021-03-12 00:52:18,915 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=27860, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1485, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=649, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=565, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=61572, PETRI_PLACES=158, PETRI_TRANSITIONS=2904} [2021-03-12 00:52:18,915 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 131 predicate places. [2021-03-12 00:52:18,915 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 2904 transitions, 61572 flow [2021-03-12 00:52:18,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 28.75) internal successors, (230), 8 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:18,915 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:52:18,915 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:52:19,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-12 00:52:19,115 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:52:19,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:52:19,116 INFO L82 PathProgramCache]: Analyzing trace with hash -2008100370, now seen corresponding path program 6 times [2021-03-12 00:52:19,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:52:19,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598046995] [2021-03-12 00:52:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:52:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:52:19,127 INFO L142 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-03-12 00:52:19,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,130 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:52:19,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:19,134 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:52:19,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:52:19,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598046995] [2021-03-12 00:52:19,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673555221] [2021-03-12 00:52:19,143 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 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 [2021-03-12 00:52:19,183 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-03-12 00:52:19,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:52:19,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:52:19,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:52:19,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,200 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:19,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:19,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:19,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:19,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:19,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:19,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:19,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:19,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,214 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:19,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:19,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:19,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:19,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:19,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:19,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:19,218 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-12 00:52:19,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:19,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:19,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:19,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:19,221 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,230 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:19,233 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 00:52:19,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,234 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,236 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:19,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:52:19,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:52:19,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-03-12 00:52:19,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196124849] [2021-03-12 00:52:19,238 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 00:52:19,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:52:19,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 00:52:19,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-03-12 00:52:19,240 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 48 [2021-03-12 00:52:19,240 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 2904 transitions, 61572 flow. Second operand has 8 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:19,240 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:52:19,240 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 48 [2021-03-12 00:52:19,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:52:29,004 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, Black: 263#(<= counter C), 11#thread2EXITtrue, Black: 265#(and (<= counter C) (<= counter 0)), 269#true, Black: 647#(and (<= i1 j1) (= M1 N1)), Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), 14#thread1EXITtrue, Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), 183#(<= N1 i1), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), 58#(<= N1 i1), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), 188#true, Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 762#(<= M1 j1), 122#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:29,004 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-12 00:52:29,004 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:29,004 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:29,004 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:30,549 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), 269#true, Black: 647#(and (<= i1 j1) (= M1 N1)), 14#thread1EXITtrue, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 183#(<= N1 i1), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 58#(<= N1 i1), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 188#true, Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 122#(<= M1 j1), 762#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:30,549 INFO L384 tUnfolder$Statistics]: this new event has 15 ancestors and is not cut-off event [2021-03-12 00:52:30,549 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-12 00:52:30,549 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is not cut-off event [2021-03-12 00:52:30,549 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-12 00:52:30,549 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is not cut-off event [2021-03-12 00:52:33,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([126] L24-1-->L24-1: Formula: (and (= v_counter_53 (+ v_C_26 v_counter_54)) (< v_i1_15 v_N1_8) (= v_i1_14 (+ v_i1_15 1))) InVars {counter=v_counter_54, i1=v_i1_15, C=v_C_26, N1=v_N1_8} OutVars{counter=v_counter_53, i1=v_i1_14, C=v_C_26, N1=v_N1_8} AuxVars[] AssignedVars[counter, i1][1194], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 656#true, 17#L24-1true, 18#L76true, 20#L58-1true, 27#thread3EXITtrue, 413#(and (<= C counter) (<= counter C)), Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), 180#true, Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 412#(and (<= counter 0) (<= 0 counter)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 122#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 762#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,297 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 656#true, 17#L24-1true, 18#L76true, 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), 180#true, Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 762#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 122#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,297 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 14 ancestors and is cut-off event [2021-03-12 00:52:33,297 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is cut-off event [2021-03-12 00:52:33,299 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, 14#thread1EXITtrue, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 661#(<= N1 i1), 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), 183#(<= N1 i1), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 58#(<= N1 i1), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 762#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 122#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,299 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-12 00:52:33,299 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:33,299 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:33,299 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:33,560 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, 14#thread1EXITtrue, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 410#true, 27#thread3EXITtrue, 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), 183#(<= N1 i1), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), 58#(<= N1 i1), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 188#true, Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 412#(and (<= counter 0) (<= 0 counter)), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 122#(<= M1 j1), 762#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,561 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,561 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,561 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,561 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,604 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 265#(and (<= counter C) (<= counter 0)), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, 14#thread1EXITtrue, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 661#(<= N1 i1), 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 183#(<= N1 i1), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), 58#(<= N1 i1), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 762#(<= M1 j1), 122#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,605 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-12 00:52:33,605 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:33,605 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:33,605 INFO L387 tUnfolder$Statistics]: existing Event has 15 ancestors and is cut-off event [2021-03-12 00:52:33,605 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:33,723 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, Black: 263#(<= counter C), 11#thread2EXITtrue, Black: 265#(and (<= counter C) (<= counter 0)), 269#true, Black: 647#(and (<= i1 j1) (= M1 N1)), 14#thread1EXITtrue, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 27#thread3EXITtrue, 413#(and (<= C counter) (<= counter C)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 183#(<= N1 i1), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 58#(<= N1 i1), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), 188#true, Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 412#(and (<= counter 0) (<= 0 counter)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 473#(and (<= j2 j1) (= M2 N1) (= M1 N1)), Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 122#(<= M1 j1), 762#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:33,723 INFO L384 tUnfolder$Statistics]: this new event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,723 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,723 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:33,723 INFO L387 tUnfolder$Statistics]: existing Event has 16 ancestors and is not cut-off event [2021-03-12 00:52:37,108 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 265#(and (<= counter C) (<= counter 0)), Black: 263#(<= counter C), 11#thread2EXITtrue, 269#true, Black: 647#(and (<= i1 j1) (= M1 N1)), Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), 14#thread1EXITtrue, Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 661#(<= N1 i1), 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), 183#(<= N1 i1), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), 58#(<= N1 i1), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), 762#(<= M1 j1), 122#(<= M1 j1), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:37,109 INFO L384 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2021-03-12 00:52:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:37,109 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-03-12 00:52:37,264 INFO L382 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][117], [Black: 254#(and (= j2 j1) (= M2 M1)), 265#(and (<= counter C) (<= counter 0)), 11#thread2EXITtrue, Black: 263#(<= counter C), Black: 647#(and (<= i1 j1) (= M1 N1)), 269#true, Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), 14#thread1EXITtrue, Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 661#(<= N1 i1), 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 183#(<= N1 i1), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), 58#(<= N1 i1), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 587#(<= M1 j1), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), 470#true, Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 122#(<= M1 j1), 762#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:52:37,265 INFO L384 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2021-03-12 00:52:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:52:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-03-12 00:52:37,265 INFO L387 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2021-03-12 00:52:38,826 INFO L129 PetriNetUnfolder]: 25106/50771 cut-off events. [2021-03-12 00:52:38,827 INFO L130 PetriNetUnfolder]: For 2168138/2208145 co-relation queries the response was YES. [2021-03-12 00:52:39,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 545189 conditions, 50771 events. 25106/50771 cut-off events. For 2168138/2208145 co-relation queries the response was YES. Maximal size of possible extension queue 4670. Compared 590889 event pairs, 2548 based on Foata normal form. 3986/52819 useless extension candidates. Maximal degree in co-relation 534156. Up to 22181 conditions per place. [2021-03-12 00:52:39,702 INFO L132 encePairwiseOnDemand]: 43/48 looper letters, 2449 selfloop transitions, 830 changer transitions 3/4481 dead transitions. [2021-03-12 00:52:39,703 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 4481 transitions, 101926 flow [2021-03-12 00:52:39,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 00:52:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-12 00:52:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 280 transitions. [2021-03-12 00:52:39,704 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7291666666666666 [2021-03-12 00:52:39,704 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 280 transitions. [2021-03-12 00:52:39,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 280 transitions. [2021-03-12 00:52:39,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:52:39,704 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 280 transitions. [2021-03-12 00:52:39,705 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 35.0) internal successors, (280), 8 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:39,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 48.0) internal successors, (432), 9 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:39,706 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 48.0) internal successors, (432), 9 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:39,706 INFO L185 Difference]: Start difference. First operand has 158 places, 2904 transitions, 61572 flow. Second operand 8 states and 280 transitions. [2021-03-12 00:52:39,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 4481 transitions, 101926 flow [2021-03-12 00:52:50,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 4481 transitions, 96549 flow, removed 2666 selfloop flow, removed 1 redundant places. [2021-03-12 00:52:51,049 INFO L241 Difference]: Finished difference. Result has 169 places, 3671 transitions, 79295 flow [2021-03-12 00:52:51,050 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=58097, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=2904, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2079, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=79295, PETRI_PLACES=169, PETRI_TRANSITIONS=3671} [2021-03-12 00:52:51,051 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 142 predicate places. [2021-03-12 00:52:51,051 INFO L480 AbstractCegarLoop]: Abstraction has has 169 places, 3671 transitions, 79295 flow [2021-03-12 00:52:51,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 33.25) internal successors, (266), 8 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:51,051 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:52:51,051 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:52:51,252 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 00:52:51,252 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:52:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:52:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash -291809544, now seen corresponding path program 7 times [2021-03-12 00:52:51,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:52:51,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677082334] [2021-03-12 00:52:51,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:52:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:52:51,273 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-12 00:52:51,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:52:51,278 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-03-12 00:52:51,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:52:51,283 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:52:51,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:52:51,290 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-12 00:52:51,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:51,296 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:52:51,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,302 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-12 00:52:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,303 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:51,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677082334] [2021-03-12 00:52:51,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296273663] [2021-03-12 00:52:51,303 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 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 [2021-03-12 00:52:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:52:51,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 00:52:51,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:52:51,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:52:51,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-12 00:52:51,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,354 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:51,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:52:51,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:52:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,368 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:51,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:51,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:52:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:52:51,371 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-12 00:52:51,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:51,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:52:51,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:52:51,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:52:51,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:52:51,383 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 00:52:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:52:51,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:52:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-03-12 00:52:51,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:52:51,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-12 00:52:51,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503237804] [2021-03-12 00:52:51,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 00:52:51,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:52:51,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 00:52:51,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-03-12 00:52:51,394 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:52:51,394 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 3671 transitions, 79295 flow. Second operand has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:52:51,394 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:52:51,394 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:52:51,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:53:41,083 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([118] L58-1-->thread4EXIT: Formula: (not (< v_j2_12 v_M2_4)) InVars {j2=v_j2_12, M2=v_M2_4} OutVars{j2=v_j2_12, M2=v_M2_4} AuxVars[] AssignedVars[][126], [896#(and (<= N1 j1) (<= (+ i2 1) j1) (= N2 N1) (= M1 N1)), Black: 254#(and (= j2 j1) (= M2 M1)), 260#true, 651#(and (<= M1 j1) (<= i1 (+ j1 1)) (= M1 N1)), Black: 263#(<= counter C), 11#thread2EXITtrue, Black: 265#(and (<= counter C) (<= counter 0)), 269#true, Black: 647#(and (<= i1 j1) (= M1 N1)), Black: 585#(and (<= i1 (+ j1 1)) (= M1 N1)), 14#thread1EXITtrue, Black: 649#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 18#L76true, 27#thread3EXITtrue, 412#(and (<= counter 0) (<= 0 counter)), 33#thread4EXITtrue, Black: 176#(and (<= (+ i2 1) N1) (<= i2 i1) (= N2 N1)), Black: 129#(and (= i2 i1) (= N2 N1)), Black: 51#(= counter 0), Black: 545#(and (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), 183#(<= N1 i1), Black: 820#(and (<= (+ i1 1) j1) (<= M1 j1) (= M1 N1)), Black: 547#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (= M1 N1)), Black: 757#true, Black: 549#(and (<= (+ j2 2) M1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 822#(and (<= M1 j1) (<= i1 j1) (= M1 N1)), 58#(<= N1 i1), Black: 760#(and (<= (+ i1 1) j1) (= M1 N1)), Black: 555#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) j1) (= M1 N1)), Black: 182#(and (= i2 i1) (= N2 N1)), Black: 761#(and (<= i1 j1) (= M1 N1)), Black: 557#(and (<= j2 j1) (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), 188#true, Black: 559#(and (<= (+ j2 2) M1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) j1) (= M1 N1)), Black: 561#(and (<= (+ j2 2) M1) (= M2 N1) (<= (+ j2 1) j1) (= M1 N1)), Black: 563#(and (<= j2 j1) (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (= M1 N1)), Black: 56#(and (= M2 N1) (= i2 i1) (= j2 i2)), Black: 565#(and (< i1 N1) (<= i1 j1) (<= M1 N1)), Black: 190#(and (= j2 i1) (= M2 N1)), Black: 535#(and (<= j2 j1) (= M2 N1) (<= i1 (+ j1 1)) (<= (+ j2 1) M1) (= M1 N1)), Black: 191#(and (= M2 N1) (<= (+ j2 1) N1)), Black: 537#(and (<= j2 j1) (= M2 N1) (<= (+ j2 1) M1) (= M1 N1)), 66#true, Black: 539#(and (= M2 N1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 541#(and (= M2 N1) (< i1 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 543#(and (= M2 N1) (<= i1 j1) (<= (+ j2 1) M1) (<= (+ j2 1) j1) (= M1 N1)), Black: 413#(and (<= C counter) (<= counter C)), Black: 414#(and (<= (* 2 C) counter) (<= counter (* 2 C))), Black: 272#(and (<= (+ j1 1) N1) (= M2 N1) (= M2 M1)), Black: 337#(and (< j2 M2) (<= N1 M2) (<= (+ j2 1) i1)), Black: 339#(and (<= N1 M2) (< (+ j2 1) M2) (<= (+ j2 1) i1)), Black: 341#(and (<= (+ j1 1) N1) (<= j2 i1) (= M2 N1) (= M2 M1)), Black: 343#(and (<= (+ j1 1) N1) (<= j2 i1) (< j2 M2) (= M2 N1) (= M2 M1)), Black: 331#(and (<= (+ j1 1) N1) (< j2 M2) (= M2 N1) (= M2 M1) (<= (+ j2 1) i1)), Black: 333#(and (<= (+ j1 1) N1) (= M2 N1) (< (+ j2 1) M2) (= M2 M1) (<= (+ j2 1) i1)), Black: 335#(and (<= j2 i1) (< j2 M2) (<= N1 M2)), 739#(and (<= N1 i1) (= N2 N1) (<= (+ i2 1) i1)), 487#(and (<= i1 (+ j1 1)) (<= M1 N1)), Black: 721#(and (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 723#(and (<= N1 i1) (<= N1 M2) (= N2 N1) (<= (+ j2 1) i1) (<= (+ i2 1) i1)), Black: 659#(and (= N2 N1) (<= (+ i2 1) i1)), Black: 660#(and (<= i2 i1) (= N2 N1)), Black: 725#(and (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 727#(and (<= N1 i1) (<= N1 M2) (<= i2 i1) (= N2 N1) (<= (+ j2 1) i1)), Black: 743#(and (<= N1 i1) (<= i2 i1) (= N2 N1)), Black: 729#(and (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 665#(and (<= j2 i1) (<= N1 M2)), Black: 731#(and (<= N1 i1) (<= j2 i1) (<= N1 M2) (= N2 N1) (<= (+ i2 1) i1)), Black: 733#(and (<= j2 i1) (<= N1 M2) (<= i2 i1) (= N2 N1)), Black: 115#(and (= M1 N2) (<= (+ i2 1) M1) (<= i2 j1)), Black: 68#(and (= M1 N2) (= j1 i2)), Black: 248#(and (<= j2 j1) (<= (+ j2 1) M2) (<= M1 M2)), 762#(<= M1 j1), 122#(<= M1 j1), Black: 204#(and (<= j2 j1) (<= M1 M2)), Black: 121#(and (= M1 N2) (= j1 i2)), 255#(<= M1 j1)]) [2021-03-12 00:53:41,083 INFO L384 tUnfolder$Statistics]: this new event has 17 ancestors and is cut-off event [2021-03-12 00:53:41,083 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:53:41,083 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:53:41,083 INFO L387 tUnfolder$Statistics]: existing Event has 17 ancestors and is cut-off event [2021-03-12 00:54:10,425 INFO L129 PetriNetUnfolder]: 74655/138962 cut-off events. [2021-03-12 00:54:10,425 INFO L130 PetriNetUnfolder]: For 6292066/6327207 co-relation queries the response was YES. [2021-03-12 00:54:12,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1553203 conditions, 138962 events. 74655/138962 cut-off events. For 6292066/6327207 co-relation queries the response was YES. Maximal size of possible extension queue 10558. Compared 1642031 event pairs, 8213 based on Foata normal form. 6482/143686 useless extension candidates. Maximal degree in co-relation 1528836. Up to 48535 conditions per place. [2021-03-12 00:54:13,020 INFO L132 encePairwiseOnDemand]: 42/48 looper letters, 6235 selfloop transitions, 406 changer transitions 25/7769 dead transitions. [2021-03-12 00:54:13,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 7769 transitions, 181978 flow [2021-03-12 00:54:13,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 00:54:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-12 00:54:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 313 transitions. [2021-03-12 00:54:13,023 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6520833333333333 [2021-03-12 00:54:13,023 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 313 transitions. [2021-03-12 00:54:13,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 313 transitions. [2021-03-12 00:54:13,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:54:13,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 313 transitions. [2021-03-12 00:54:13,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 31.3) internal successors, (313), 10 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:54:13,024 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 48.0) internal successors, (528), 11 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:54:13,024 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 48.0) internal successors, (528), 11 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:54:13,024 INFO L185 Difference]: Start difference. First operand has 169 places, 3671 transitions, 79295 flow. Second operand 10 states and 313 transitions. [2021-03-12 00:54:13,024 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 7769 transitions, 181978 flow [2021-03-12 00:55:40,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 7769 transitions, 181639 flow, removed 168 selfloop flow, removed 1 redundant places. [2021-03-12 00:55:40,182 INFO L241 Difference]: Finished difference. Result has 181 places, 3989 transitions, 87852 flow [2021-03-12 00:55:40,184 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=79154, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3671, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=125, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=87852, PETRI_PLACES=181, PETRI_TRANSITIONS=3989} [2021-03-12 00:55:40,184 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 154 predicate places. [2021-03-12 00:55:40,185 INFO L480 AbstractCegarLoop]: Abstraction has has 181 places, 3989 transitions, 87852 flow [2021-03-12 00:55:40,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.4) internal successors, (284), 10 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:55:40,185 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:55:40,185 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:55:40,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 00:55:40,401 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:55:40,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:55:40,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1505272756, now seen corresponding path program 8 times [2021-03-12 00:55:40,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:55:40,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608991223] [2021-03-12 00:55:40,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:55:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:55:40,415 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-03-12 00:55:40,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:55:40,420 INFO L142 QuantifierPusher]: treesize reduction 12, result has 55.6 percent of original size [2021-03-12 00:55:40,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-12 00:55:40,426 INFO L142 QuantifierPusher]: treesize reduction 8, result has 60.0 percent of original size [2021-03-12 00:55:40,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:55:40,431 INFO L142 QuantifierPusher]: treesize reduction 8, result has 55.6 percent of original size [2021-03-12 00:55:40,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:55:40,437 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:55:40,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,442 INFO L142 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-03-12 00:55:40,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:55:40,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608991223] [2021-03-12 00:55:40,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403204803] [2021-03-12 00:55:40,443 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:55:40,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 00:55:40,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:55:40,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:55:40,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:55:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:55:40,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:55:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,493 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:55:40,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:55:40,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:55:40,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:55:40,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,503 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:55:40,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:55:40,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:55:40,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:55:40,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,513 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:55:40,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:55:40,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:55:40,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-12 00:55:40,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-12 00:55:40,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:55:40,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:55:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:55:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:55:40,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:55:40,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 9 [2021-03-12 00:55:40,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787584820] [2021-03-12 00:55:40,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 00:55:40,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:55:40,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 00:55:40,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-03-12 00:55:40,541 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:55:40,541 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 3989 transitions, 87852 flow. Second operand has 10 states, 10 states have (on average 28.6) internal successors, (286), 10 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:55:40,541 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:55:40,541 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:55:40,541 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 00:56:56,428 INFO L129 PetriNetUnfolder]: 67001/130685 cut-off events. [2021-03-12 00:56:56,428 INFO L130 PetriNetUnfolder]: For 6531548/6581925 co-relation queries the response was YES. [2021-03-12 00:56:58,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1516904 conditions, 130685 events. 67001/130685 cut-off events. For 6531548/6581925 co-relation queries the response was YES. Maximal size of possible extension queue 11041. Compared 1633589 event pairs, 5993 based on Foata normal form. 5305/133031 useless extension candidates. Maximal degree in co-relation 1491429. Up to 50663 conditions per place. [2021-03-12 00:56:58,876 INFO L132 encePairwiseOnDemand]: 41/48 looper letters, 3235 selfloop transitions, 3521 changer transitions 240/7224 dead transitions. [2021-03-12 00:56:58,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 7224 transitions, 170079 flow [2021-03-12 00:56:58,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-03-12 00:56:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-03-12 00:56:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 601 transitions. [2021-03-12 00:56:58,877 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6589912280701754 [2021-03-12 00:56:58,877 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 601 transitions. [2021-03-12 00:56:58,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 601 transitions. [2021-03-12 00:56:58,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-12 00:56:58,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 601 transitions. [2021-03-12 00:56:58,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 31.63157894736842) internal successors, (601), 19 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:56:58,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 48.0) internal successors, (960), 20 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:56:58,880 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 48.0) internal successors, (960), 20 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:56:58,880 INFO L185 Difference]: Start difference. First operand has 181 places, 3989 transitions, 87852 flow. Second operand 19 states and 601 transitions. [2021-03-12 00:56:58,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 7224 transitions, 170079 flow [2021-03-12 00:58:19,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 7224 transitions, 169046 flow, removed 515 selfloop flow, removed 1 redundant places. [2021-03-12 00:58:19,241 INFO L241 Difference]: Finished difference. Result has 210 places, 6006 transitions, 144403 flow [2021-03-12 00:58:19,243 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=86145, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1668, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=144403, PETRI_PLACES=210, PETRI_TRANSITIONS=6006} [2021-03-12 00:58:19,244 INFO L335 CegarLoopForPetriNet]: 27 programPoint places, 183 predicate places. [2021-03-12 00:58:19,244 INFO L480 AbstractCegarLoop]: Abstraction has has 210 places, 6006 transitions, 144403 flow [2021-03-12 00:58:19,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 28.6) internal successors, (286), 10 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:58:19,244 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-12 00:58:19,244 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-12 00:58:19,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 00:58:19,459 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 00:58:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 00:58:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash -2083195103, now seen corresponding path program 9 times [2021-03-12 00:58:19,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 00:58:19,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822376679] [2021-03-12 00:58:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 00:58:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 00:58:19,468 INFO L142 QuantifierPusher]: treesize reduction 12, result has 45.5 percent of original size [2021-03-12 00:58:19,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:58:19,471 INFO L142 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-03-12 00:58:19,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,476 INFO L142 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size [2021-03-12 00:58:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-12 00:58:19,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:58:19,488 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 00:58:19,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822376679] [2021-03-12 00:58:19,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81853403] [2021-03-12 00:58:19,489 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 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 [2021-03-12 00:58:19,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-03-12 00:58:19,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 00:58:19,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 00:58:19,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 00:58:19,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:58:19,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:58:19,528 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:58:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-12 00:58:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-12 00:58:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:58:19,546 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:58:19,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:58:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:58:19,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:58:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-12 00:58:19,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-12 00:58:19,551 INFO L142 QuantifierPusher]: treesize reduction 1, result has 90.9 percent of original size [2021-03-12 00:58:19,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:58:19,551 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-03-12 00:58:19,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-12 00:58:19,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-12 00:58:19,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:58:19,553 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-12 00:58:19,553 INFO L142 QuantifierPusher]: treesize reduction 7, result has 12.5 percent of original size [2021-03-12 00:58:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 00:58:19,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-12 00:58:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-03-12 00:58:19,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 00:58:19,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2021-03-12 00:58:19,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632340767] [2021-03-12 00:58:19,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 00:58:19,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 00:58:19,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 00:58:19,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-12 00:58:19,562 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 48 [2021-03-12 00:58:19,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 6006 transitions, 144403 flow. Second operand has 9 states, 9 states have (on average 28.555555555555557) internal successors, (257), 9 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 00:58:19,562 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-12 00:58:19,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 48 [2021-03-12 00:58:19,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-12 01:04:00,127 INFO L129 PetriNetUnfolder]: 150448/310171 cut-off events. [2021-03-12 01:04:00,142 INFO L130 PetriNetUnfolder]: For 20157046/20273030 co-relation queries the response was YES. [2021-03-12 01:04:06,324 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3911133 conditions, 310171 events. 150448/310171 cut-off events. For 20157046/20273030 co-relation queries the response was YES. Maximal size of possible extension queue 26866. Compared 4495013 event pairs, 11078 based on Foata normal form. 16273/319210 useless extension candidates. Maximal degree in co-relation 3841443. Up to 118752 conditions per place. Received shutdown request... [2021-03-12 01:04:08,520 INFO L132 encePairwiseOnDemand]: 41/48 looper letters, 6596 selfloop transitions, 8091 changer transitions 574/15484 dead transitions. [2021-03-12 01:04:08,520 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 15484 transitions, 410491 flow [2021-03-12 01:04:08,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-03-12 01:04:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-03-12 01:04:08,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2021-03-12 01:04:08,735 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 01:04:08,738 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 01:04:08,739 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 01:04:08 BasicIcfg [2021-03-12 01:04:08,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 01:04:08,739 INFO L168 Benchmark]: Toolchain (without parser) took 734727.69 ms. Allocated memory was 377.5 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 357.1 MB in the beginning and 4.8 GB in the end (delta: -4.4 GB). Peak memory consumption was 9.1 GB. Max. memory is 16.0 GB. [2021-03-12 01:04:08,739 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 358.2 MB in the beginning and 358.2 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 01:04:08,739 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.15 ms. Allocated memory is still 377.5 MB. Free memory was 356.6 MB in the beginning and 355.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 01:04:08,739 INFO L168 Benchmark]: Boogie Preprocessor took 10.18 ms. Allocated memory is still 377.5 MB. Free memory was 355.1 MB in the beginning and 354.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 01:04:08,739 INFO L168 Benchmark]: RCFGBuilder took 178.14 ms. Allocated memory is still 377.5 MB. Free memory was 354.0 MB in the beginning and 339.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-12 01:04:08,739 INFO L168 Benchmark]: TraceAbstraction took 734512.30 ms. Allocated memory was 377.5 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 338.9 MB in the beginning and 4.8 GB in the end (delta: -4.4 GB). Peak memory consumption was 9.1 GB. Max. memory is 16.0 GB. [2021-03-12 01:04:08,740 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 0.10 ms. Allocated memory is still 377.5 MB. Free memory was 358.2 MB in the beginning and 358.2 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.15 ms. Allocated memory is still 377.5 MB. Free memory was 356.6 MB in the beginning and 355.1 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.18 ms. Allocated memory is still 377.5 MB. Free memory was 355.1 MB in the beginning and 354.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 178.14 ms. Allocated memory is still 377.5 MB. Free memory was 354.0 MB in the beginning and 339.4 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 734512.30 ms. Allocated memory was 377.5 MB in the beginning and 11.6 GB in the end (delta: 11.2 GB). Free memory was 338.9 MB in the beginning and 4.8 GB in the end (delta: -4.4 GB). Peak memory consumption was 9.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 229.8ms, 39 PlacesBefore, 27 PlacesAfterwards, 30 TransitionsBefore, 18 TransitionsAfterwards, 288 CoEnabledTransitionPairs, 2 FixpointIterations, 4 TrivialSequentialCompositions, 8 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 192, positive: 192, positive conditional: 0, positive unconditional: 192, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 156, positive: 156, positive conditional: 0, positive unconditional: 156, 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: 156, positive: 156, positive conditional: 0, positive unconditional: 156, 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: 192, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 156, unknown conditional: 0, unknown unconditional: 156] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 36, Positive conditional cache size: 0, Positive unconditional cache size: 36, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type AutomatonWithImplicitSelfloops). - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 734428.2ms, OverallIterations: 20, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 729340.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 275.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 47 SDtfs, 307 SDslu, 49 SDs, 0 SdLazy, 1074 SolverSat, 298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 564.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 216 SyntacticMatches, 7 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1170.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=144403occurred in iteration=19, InterpolantAutomatonStates: 153, 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: 69.5ms SsaConstructionTime, 235.6ms SatisfiabilityAnalysisTime, 1388.1ms InterpolantComputationTime, 574 NumberOfCodeBlocks, 573 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 541 ConstructedInterpolants, 0 QuantifiedInterpolants, 2546 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1102 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 33 InterpolantComputations, 8 PerfectInterpolantSequences, 82/128 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 !SESSION 2021-03-12 00:51:52.712 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9.1 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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/popl20/mult-4.wvr.bpl Command-line arguments: -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/popl20/mult-4.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2021-03-12 01:04:08.980 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adba7d9bb/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adba7d9bb/.metadata/.log.