/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 08:52:31,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 08:52:31,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 08:52:31,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 08:52:31,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 08:52:31,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 08:52:31,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 08:52:31,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 08:52:31,630 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 08:52:31,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 08:52:31,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 08:52:31,631 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 08:52:31,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 08:52:31,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 08:52:31,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 08:52:31,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 08:52:31,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 08:52:31,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 08:52:31,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 08:52:31,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 08:52:31,632 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 08:52:31,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 08:52:31,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 08:52:31,633 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 08:52:31,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 08:52:31,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:52:31,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 08:52:31,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 08:52:31,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 08:52:31,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 08:52:31,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 08:52:31,635 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 08:52:31,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 08:52:31,635 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 08:52:31,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 08:52:31,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 08:52:31,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 08:52:31,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 08:52:31,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 08:52:31,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-11-30 08:52:32,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 08:52:32,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 08:52:32,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-symm.wvr.c [2023-11-30 08:52:32,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/882e62b31/d36795cb84754bebbb7e0528780b0571/FLAGdb0955d6a [2023-11-30 08:52:32,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/882e62b31/d36795cb84754bebbb7e0528780b0571 [2023-11-30 08:52:32,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 08:52:32,933 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 08:52:32,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 08:52:32,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 08:52:32,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 08:52:32,940 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:52:32" (1/1) ... [2023-11-30 08:52:32,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8a5127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:32, skipping insertion in model container [2023-11-30 08:52:32,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 08:52:32" (1/1) ... [2023-11-30 08:52:32,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 08:52:33,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:52:33,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 08:52:33,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 08:52:33,074 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:52:33,074 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 08:52:33,079 INFO L206 MainTranslator]: Completed translation [2023-11-30 08:52:33,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33 WrapperNode [2023-11-30 08:52:33,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 08:52:33,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 08:52:33,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 08:52:33,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 08:52:33,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,103 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 10, calls inlined = 16, statements flattened = 215 [2023-11-30 08:52:33,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 08:52:33,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 08:52:33,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 08:52:33,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 08:52:33,109 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 08:52:33,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 08:52:33,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 08:52:33,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 08:52:33,121 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (1/1) ... [2023-11-30 08:52:33,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 08:52:33,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 08:52:33,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 08:52:33,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 08:52:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-30 08:52:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-30 08:52:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 08:52:33,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 08:52:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 08:52:33,176 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 08:52:33,239 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 08:52:33,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 08:52:33,510 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 08:52:33,934 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 08:52:33,934 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 08:52:33,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:52:33 BoogieIcfgContainer [2023-11-30 08:52:33,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 08:52:33,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 08:52:33,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 08:52:33,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 08:52:33,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 08:52:32" (1/3) ... [2023-11-30 08:52:33,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:52:33, skipping insertion in model container [2023-11-30 08:52:33,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 08:52:33" (2/3) ... [2023-11-30 08:52:33,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a0f684d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 08:52:33, skipping insertion in model container [2023-11-30 08:52:33,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 08:52:33" (3/3) ... [2023-11-30 08:52:33,942 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-time-symm.wvr.c [2023-11-30 08:52:33,954 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 08:52:33,954 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-30 08:52:33,954 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 08:52:34,068 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-30 08:52:34,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 116 transitions, 246 flow [2023-11-30 08:52:34,147 INFO L124 PetriNetUnfolderBase]: 1/114 cut-off events. [2023-11-30 08:52:34,147 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-30 08:52:34,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 114 events. 1/114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 159 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2023-11-30 08:52:34,150 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 116 transitions, 246 flow [2023-11-30 08:52:34,154 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 93 transitions, 198 flow [2023-11-30 08:52:34,165 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 08:52:34,171 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@192bfd01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 08:52:34,171 INFO L363 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-30 08:52:34,184 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 08:52:34,184 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-30 08:52:34,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 08:52:34,184 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:34,184 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:34,185 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:34,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:34,187 INFO L85 PathProgramCache]: Analyzing trace with hash 578082716, now seen corresponding path program 1 times [2023-11-30 08:52:34,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:34,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005170612] [2023-11-30 08:52:34,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:34,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:34,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005170612] [2023-11-30 08:52:34,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005170612] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:34,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:34,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 08:52:34,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420140961] [2023-11-30 08:52:34,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:34,437 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 08:52:34,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:34,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 08:52:34,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 08:52:34,458 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 116 [2023-11-30 08:52:34,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 93 transitions, 198 flow. Second operand has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 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) [2023-11-30 08:52:34,461 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:34,461 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 116 [2023-11-30 08:52:34,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:34,631 INFO L124 PetriNetUnfolderBase]: 99/319 cut-off events. [2023-11-30 08:52:34,631 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-11-30 08:52:34,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 319 events. 99/319 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 1755 event pairs, 99 based on Foata normal form. 2/136 useless extension candidates. Maximal degree in co-relation 455. Up to 221 conditions per place. [2023-11-30 08:52:34,635 INFO L140 encePairwiseOnDemand]: 106/116 looper letters, 21 selfloop transitions, 0 changer transitions 3/83 dead transitions. [2023-11-30 08:52:34,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 83 transitions, 222 flow [2023-11-30 08:52:34,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 08:52:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 08:52:34,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2023-11-30 08:52:34,644 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8448275862068966 [2023-11-30 08:52:34,645 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 196 transitions. [2023-11-30 08:52:34,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 196 transitions. [2023-11-30 08:52:34,646 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:34,647 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 196 transitions. [2023-11-30 08:52:34,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,654 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,658 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -9 predicate places. [2023-11-30 08:52:34,658 INFO L500 AbstractCegarLoop]: Abstraction has has 91 places, 83 transitions, 222 flow [2023-11-30 08:52:34,659 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 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) [2023-11-30 08:52:34,659 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:34,659 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:34,659 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 08:52:34,659 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:34,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:34,660 INFO L85 PathProgramCache]: Analyzing trace with hash 578082717, now seen corresponding path program 1 times [2023-11-30 08:52:34,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:34,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995654397] [2023-11-30 08:52:34,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:34,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:34,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:34,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:34,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995654397] [2023-11-30 08:52:34,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995654397] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:34,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:34,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:34,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185578834] [2023-11-30 08:52:34,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:34,807 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:34,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:34,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:34,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:34,854 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:34,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 83 transitions, 222 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:34,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:34,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:34,966 INFO L124 PetriNetUnfolderBase]: 80/275 cut-off events. [2023-11-30 08:52:34,966 INFO L125 PetriNetUnfolderBase]: For 92/164 co-relation queries the response was YES. [2023-11-30 08:52:34,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 275 events. 80/275 cut-off events. For 92/164 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 1389 event pairs, 80 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 535. Up to 184 conditions per place. [2023-11-30 08:52:34,969 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 22 selfloop transitions, 3 changer transitions 3/81 dead transitions. [2023-11-30 08:52:34,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 81 transitions, 266 flow [2023-11-30 08:52:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 328 transitions. [2023-11-30 08:52:34,974 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7068965517241379 [2023-11-30 08:52:34,974 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 328 transitions. [2023-11-30 08:52:34,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 328 transitions. [2023-11-30 08:52:34,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:34,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 328 transitions. [2023-11-30 08:52:34,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 82.0) internal successors, (328), 4 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,978 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,978 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,978 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -8 predicate places. [2023-11-30 08:52:34,979 INFO L500 AbstractCegarLoop]: Abstraction has has 92 places, 81 transitions, 266 flow [2023-11-30 08:52:34,979 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:34,979 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:34,979 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:34,979 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 08:52:34,980 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:34,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:34,980 INFO L85 PathProgramCache]: Analyzing trace with hash 578082718, now seen corresponding path program 1 times [2023-11-30 08:52:34,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:34,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757618325] [2023-11-30 08:52:34,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:34,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757618325] [2023-11-30 08:52:35,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757618325] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451214382] [2023-11-30 08:52:35,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,066 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,068 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 81 transitions, 266 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,162 INFO L124 PetriNetUnfolderBase]: 63/235 cut-off events. [2023-11-30 08:52:35,162 INFO L125 PetriNetUnfolderBase]: For 153/265 co-relation queries the response was YES. [2023-11-30 08:52:35,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 235 events. 63/235 cut-off events. For 153/265 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 1086 event pairs, 63 based on Foata normal form. 0/120 useless extension candidates. Maximal degree in co-relation 555. Up to 148 conditions per place. [2023-11-30 08:52:35,164 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 20 selfloop transitions, 3 changer transitions 3/79 dead transitions. [2023-11-30 08:52:35,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 79 transitions, 302 flow [2023-11-30 08:52:35,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 326 transitions. [2023-11-30 08:52:35,165 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7025862068965517 [2023-11-30 08:52:35,165 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 326 transitions. [2023-11-30 08:52:35,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 326 transitions. [2023-11-30 08:52:35,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 326 transitions. [2023-11-30 08:52:35,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 81.5) internal successors, (326), 4 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,168 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,168 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -7 predicate places. [2023-11-30 08:52:35,169 INFO L500 AbstractCegarLoop]: Abstraction has has 93 places, 79 transitions, 302 flow [2023-11-30 08:52:35,169 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,169 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,169 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,169 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 08:52:35,169 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash 578082720, now seen corresponding path program 1 times [2023-11-30 08:52:35,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725885812] [2023-11-30 08:52:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725885812] [2023-11-30 08:52:35,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725885812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471772796] [2023-11-30 08:52:35,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,288 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,289 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 79 transitions, 302 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,352 INFO L124 PetriNetUnfolderBase]: 48/199 cut-off events. [2023-11-30 08:52:35,352 INFO L125 PetriNetUnfolderBase]: For 217/343 co-relation queries the response was YES. [2023-11-30 08:52:35,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 696 conditions, 199 events. 48/199 cut-off events. For 217/343 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 808 event pairs, 48 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 527. Up to 116 conditions per place. [2023-11-30 08:52:35,353 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 18 selfloop transitions, 3 changer transitions 3/77 dead transitions. [2023-11-30 08:52:35,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 77 transitions, 330 flow [2023-11-30 08:52:35,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 324 transitions. [2023-11-30 08:52:35,355 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6982758620689655 [2023-11-30 08:52:35,355 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 324 transitions. [2023-11-30 08:52:35,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 324 transitions. [2023-11-30 08:52:35,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 324 transitions. [2023-11-30 08:52:35,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 81.0) internal successors, (324), 4 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,357 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,357 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -6 predicate places. [2023-11-30 08:52:35,357 INFO L500 AbstractCegarLoop]: Abstraction has has 94 places, 77 transitions, 330 flow [2023-11-30 08:52:35,358 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,358 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,358 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,358 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 08:52:35,358 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,358 INFO L85 PathProgramCache]: Analyzing trace with hash 578082721, now seen corresponding path program 1 times [2023-11-30 08:52:35,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975023563] [2023-11-30 08:52:35,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975023563] [2023-11-30 08:52:35,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975023563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618413845] [2023-11-30 08:52:35,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,429 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,429 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 77 transitions, 330 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,510 INFO L124 PetriNetUnfolderBase]: 35/167 cut-off events. [2023-11-30 08:52:35,510 INFO L125 PetriNetUnfolderBase]: For 282/402 co-relation queries the response was YES. [2023-11-30 08:52:35,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 167 events. 35/167 cut-off events. For 282/402 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 574 event pairs, 35 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 464. Up to 88 conditions per place. [2023-11-30 08:52:35,511 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 16 selfloop transitions, 3 changer transitions 3/75 dead transitions. [2023-11-30 08:52:35,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 75 transitions, 350 flow [2023-11-30 08:52:35,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 322 transitions. [2023-11-30 08:52:35,512 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6939655172413793 [2023-11-30 08:52:35,512 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 322 transitions. [2023-11-30 08:52:35,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 322 transitions. [2023-11-30 08:52:35,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 322 transitions. [2023-11-30 08:52:35,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 80.5) internal successors, (322), 4 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,514 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,515 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -5 predicate places. [2023-11-30 08:52:35,515 INFO L500 AbstractCegarLoop]: Abstraction has has 95 places, 75 transitions, 350 flow [2023-11-30 08:52:35,515 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,515 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,515 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,515 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 08:52:35,515 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,516 INFO L85 PathProgramCache]: Analyzing trace with hash 578082723, now seen corresponding path program 1 times [2023-11-30 08:52:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841060453] [2023-11-30 08:52:35,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841060453] [2023-11-30 08:52:35,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841060453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314985537] [2023-11-30 08:52:35,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,554 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,555 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 75 transitions, 350 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,602 INFO L124 PetriNetUnfolderBase]: 24/139 cut-off events. [2023-11-30 08:52:35,602 INFO L125 PetriNetUnfolderBase]: For 338/438 co-relation queries the response was YES. [2023-11-30 08:52:35,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 139 events. 24/139 cut-off events. For 338/438 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 385 event pairs, 24 based on Foata normal form. 0/99 useless extension candidates. Maximal degree in co-relation 377. Up to 64 conditions per place. [2023-11-30 08:52:35,603 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 14 selfloop transitions, 3 changer transitions 3/73 dead transitions. [2023-11-30 08:52:35,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 73 transitions, 362 flow [2023-11-30 08:52:35,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 320 transitions. [2023-11-30 08:52:35,604 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6896551724137931 [2023-11-30 08:52:35,604 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 320 transitions. [2023-11-30 08:52:35,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 320 transitions. [2023-11-30 08:52:35,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,604 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 320 transitions. [2023-11-30 08:52:35,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 80.0) internal successors, (320), 4 states have internal predecessors, (320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,605 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,606 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,606 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -4 predicate places. [2023-11-30 08:52:35,606 INFO L500 AbstractCegarLoop]: Abstraction has has 96 places, 73 transitions, 362 flow [2023-11-30 08:52:35,606 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,606 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,607 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,607 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-30 08:52:35,607 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,607 INFO L85 PathProgramCache]: Analyzing trace with hash 578082724, now seen corresponding path program 1 times [2023-11-30 08:52:35,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655848604] [2023-11-30 08:52:35,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655848604] [2023-11-30 08:52:35,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655848604] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429085717] [2023-11-30 08:52:35,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,641 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,642 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 73 transitions, 362 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,681 INFO L124 PetriNetUnfolderBase]: 15/115 cut-off events. [2023-11-30 08:52:35,681 INFO L125 PetriNetUnfolderBase]: For 383/455 co-relation queries the response was YES. [2023-11-30 08:52:35,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 456 conditions, 115 events. 15/115 cut-off events. For 383/455 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 234 event pairs, 15 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 278. Up to 44 conditions per place. [2023-11-30 08:52:35,682 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 12 selfloop transitions, 3 changer transitions 3/71 dead transitions. [2023-11-30 08:52:35,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 71 transitions, 366 flow [2023-11-30 08:52:35,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 318 transitions. [2023-11-30 08:52:35,683 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6853448275862069 [2023-11-30 08:52:35,683 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 318 transitions. [2023-11-30 08:52:35,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 318 transitions. [2023-11-30 08:52:35,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 318 transitions. [2023-11-30 08:52:35,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 79.5) internal successors, (318), 4 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,685 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,685 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -3 predicate places. [2023-11-30 08:52:35,685 INFO L500 AbstractCegarLoop]: Abstraction has has 97 places, 71 transitions, 366 flow [2023-11-30 08:52:35,686 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,686 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,686 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,686 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-30 08:52:35,686 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,686 INFO L85 PathProgramCache]: Analyzing trace with hash 578082726, now seen corresponding path program 1 times [2023-11-30 08:52:35,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525306919] [2023-11-30 08:52:35,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525306919] [2023-11-30 08:52:35,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525306919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154792432] [2023-11-30 08:52:35,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,743 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,743 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 71 transitions, 366 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,774 INFO L124 PetriNetUnfolderBase]: 8/95 cut-off events. [2023-11-30 08:52:35,774 INFO L125 PetriNetUnfolderBase]: For 407/449 co-relation queries the response was YES. [2023-11-30 08:52:35,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352 conditions, 95 events. 8/95 cut-off events. For 407/449 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 122 event pairs, 8 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 179. Up to 28 conditions per place. [2023-11-30 08:52:35,775 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 10 selfloop transitions, 3 changer transitions 3/69 dead transitions. [2023-11-30 08:52:35,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 69 transitions, 362 flow [2023-11-30 08:52:35,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 316 transitions. [2023-11-30 08:52:35,776 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6810344827586207 [2023-11-30 08:52:35,776 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 316 transitions. [2023-11-30 08:52:35,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 316 transitions. [2023-11-30 08:52:35,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,776 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 316 transitions. [2023-11-30 08:52:35,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 79.0) internal successors, (316), 4 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,777 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,778 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,778 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -2 predicate places. [2023-11-30 08:52:35,778 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 69 transitions, 362 flow [2023-11-30 08:52:35,778 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,778 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 08:52:35,779 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,779 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-30 08:52:35,779 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-30 08:52:35,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 08:52:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash 578082727, now seen corresponding path program 1 times [2023-11-30 08:52:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 08:52:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889535136] [2023-11-30 08:52:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 08:52:35,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 08:52:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 08:52:35,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 08:52:35,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 08:52:35,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889535136] [2023-11-30 08:52:35,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889535136] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 08:52:35,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 08:52:35,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 08:52:35,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334394896] [2023-11-30 08:52:35,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 08:52:35,833 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 08:52:35,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 08:52:35,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 08:52:35,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 08:52:35,834 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 116 [2023-11-30 08:52:35,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 69 transitions, 362 flow. Second operand has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 08:52:35,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 116 [2023-11-30 08:52:35,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 08:52:35,857 INFO L124 PetriNetUnfolderBase]: 3/79 cut-off events. [2023-11-30 08:52:35,857 INFO L125 PetriNetUnfolderBase]: For 408/424 co-relation queries the response was YES. [2023-11-30 08:52:35,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 79 events. 3/79 cut-off events. For 408/424 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 3 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 92. Up to 16 conditions per place. [2023-11-30 08:52:35,857 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 0 selfloop transitions, 0 changer transitions 67/67 dead transitions. [2023-11-30 08:52:35,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 67 transitions, 350 flow [2023-11-30 08:52:35,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 08:52:35,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 08:52:35,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 314 transitions. [2023-11-30 08:52:35,858 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6767241379310345 [2023-11-30 08:52:35,858 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 314 transitions. [2023-11-30 08:52:35,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 314 transitions. [2023-11-30 08:52:35,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 08:52:35,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 314 transitions. [2023-11-30 08:52:35,859 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,860 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,860 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 116.0) internal successors, (580), 5 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,860 INFO L307 CegarLoopForPetriNet]: 100 programPoint places, -1 predicate places. [2023-11-30 08:52:35,860 INFO L500 AbstractCegarLoop]: Abstraction has has 99 places, 67 transitions, 350 flow [2023-11-30 08:52:35,861 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 08:52:35,868 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-time-symm.wvr.c_BEv2_AllErrorsAtOnce [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2023-11-30 08:52:35,885 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2023-11-30 08:52:35,886 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 52 remaining) [2023-11-30 08:52:35,887 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2023-11-30 08:52:35,888 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2023-11-30 08:52:35,889 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2023-11-30 08:52:35,890 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2023-11-30 08:52:35,890 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2023-11-30 08:52:35,890 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2023-11-30 08:52:35,890 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-30 08:52:35,890 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 08:52:35,894 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 08:52:35,894 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 08:52:35,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 08:52:35 BasicIcfg [2023-11-30 08:52:35,898 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 08:52:35,898 INFO L158 Benchmark]: Toolchain (without parser) took 2965.75ms. Allocated memory was 337.6MB in the beginning and 427.8MB in the end (delta: 90.2MB). Free memory was 298.9MB in the beginning and 204.3MB in the end (delta: 94.6MB). Peak memory consumption was 185.2MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,898 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 337.6MB. Free memory is still 293.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 08:52:35,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 145.88ms. Allocated memory is still 337.6MB. Free memory was 298.9MB in the beginning and 287.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.90ms. Allocated memory is still 337.6MB. Free memory was 287.7MB in the beginning and 285.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,899 INFO L158 Benchmark]: Boogie Preprocessor took 16.15ms. Allocated memory is still 337.6MB. Free memory was 285.1MB in the beginning and 283.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,899 INFO L158 Benchmark]: RCFGBuilder took 815.86ms. Allocated memory was 337.6MB in the beginning and 427.8MB in the end (delta: 90.2MB). Free memory was 283.5MB in the beginning and 300.0MB in the end (delta: -16.4MB). Peak memory consumption was 80.1MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,899 INFO L158 Benchmark]: TraceAbstraction took 1959.66ms. Allocated memory is still 427.8MB. Free memory was 298.9MB in the beginning and 204.3MB in the end (delta: 94.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.0GB. [2023-11-30 08:52:35,901 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 337.6MB. Free memory is still 293.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 145.88ms. Allocated memory is still 337.6MB. Free memory was 298.9MB in the beginning and 287.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.90ms. Allocated memory is still 337.6MB. Free memory was 287.7MB in the beginning and 285.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 16.15ms. Allocated memory is still 337.6MB. Free memory was 285.1MB in the beginning and 283.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 815.86ms. Allocated memory was 337.6MB in the beginning and 427.8MB in the end (delta: 90.2MB). Free memory was 283.5MB in the beginning and 300.0MB in the end (delta: -16.4MB). Peak memory consumption was 80.1MB. Max. memory is 16.0GB. * TraceAbstraction took 1959.66ms. Allocated memory is still 427.8MB. Free memory was 298.9MB in the beginning and 204.3MB in the end (delta: 94.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 86]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 87]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 88]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 152 locations, 52 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.8s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 128 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 128 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 40 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=366occurred in iteration=7, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 405 ConstructedInterpolants, 0 QuantifiedInterpolants, 933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 08:52:35,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...