/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked PROGRAM_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 11:04:59,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 11:04:59,435 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-VariableLbe.epf [2023-08-27 11:04:59,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 11:04:59,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 11:04:59,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 11:04:59,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 11:04:59,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 11:04:59,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 11:04:59,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 11:04:59,473 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 11:04:59,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 11:04:59,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 11:04:59,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 11:04:59,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 11:04:59,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 11:04:59,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 11:04:59,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 11:04:59,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 11:04:59,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 11:04:59,476 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 11:04:59,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 11:04:59,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 11:04:59,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 11:04:59,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 11:04:59,479 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 11:04:59,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 11:04:59,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 11:04:59,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 11:04:59,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 11:04:59,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 11:04:59,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 11:04:59,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 11:04:59,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 11:04:59,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 11:04:59,481 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 11:04:59,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 11:04:59,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 11:04:59,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 11:04:59,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 11:04:59,809 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 11:04:59,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-08-27 11:05:00,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 11:05:01,288 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 11:05:01,288 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_17-ps_add1_nr.i [2023-08-27 11:05:01,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5033294/bcc1b40e3730435f9b74730fafd7460e/FLAGe44f0b700 [2023-08-27 11:05:01,317 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f5033294/bcc1b40e3730435f9b74730fafd7460e [2023-08-27 11:05:01,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 11:05:01,320 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 11:05:01,321 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 11:05:01,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 11:05:01,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 11:05:01,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,325 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9e5568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01, skipping insertion in model container [2023-08-27 11:05:01,325 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,378 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 11:05:01,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 11:05:01,804 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 11:05:01,827 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [121] [2023-08-27 11:05:01,838 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [483] [2023-08-27 11:05:01,838 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [483] [2023-08-27 11:05:01,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 11:05:01,907 INFO L206 MainTranslator]: Completed translation [2023-08-27 11:05:01,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01 WrapperNode [2023-08-27 11:05:01,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 11:05:01,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 11:05:01,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 11:05:01,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 11:05:01,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,962 INFO L138 Inliner]: procedures = 266, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2023-08-27 11:05:01,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 11:05:01,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 11:05:01,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 11:05:01,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 11:05:01,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:01,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 11:05:01,997 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 11:05:01,997 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 11:05:01,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 11:05:02,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (1/1) ... [2023-08-27 11:05:02,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 11:05:02,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 11:05:02,030 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) [2023-08-27 11:05:02,051 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 [2023-08-27 11:05:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 11:05:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 11:05:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 11:05:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 11:05:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 11:05:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-27 11:05:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-27 11:05:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 11:05:02,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 11:05:02,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 11:05:02,071 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 11:05:02,221 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 11:05:02,223 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 11:05:02,419 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 11:05:02,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 11:05:02,425 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 11:05:02,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:05:02 BoogieIcfgContainer [2023-08-27 11:05:02,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 11:05:02,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 11:05:02,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 11:05:02,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 11:05:02,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:05:01" (1/3) ... [2023-08-27 11:05:02,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423cf9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:05:02, skipping insertion in model container [2023-08-27 11:05:02,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:05:01" (2/3) ... [2023-08-27 11:05:02,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423cf9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:05:02, skipping insertion in model container [2023-08-27 11:05:02,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:05:02" (3/3) ... [2023-08-27 11:05:02,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2023-08-27 11:05:02,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 11:05:02,451 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-27 11:05:02,451 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 11:05:02,492 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 11:05:02,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 85 transitions, 175 flow [2023-08-27 11:05:02,566 INFO L124 PetriNetUnfolderBase]: 4/84 cut-off events. [2023-08-27 11:05:02,566 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:02,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 84 events. 4/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-08-27 11:05:02,570 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 85 transitions, 175 flow [2023-08-27 11:05:02,574 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 84 transitions, 171 flow [2023-08-27 11:05:02,577 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 11:05:02,585 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 84 transitions, 171 flow [2023-08-27 11:05:02,587 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 84 transitions, 171 flow [2023-08-27 11:05:02,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 84 transitions, 171 flow [2023-08-27 11:05:02,605 INFO L124 PetriNetUnfolderBase]: 4/84 cut-off events. [2023-08-27 11:05:02,605 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:02,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 84 events. 4/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 104 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2023-08-27 11:05:02,607 INFO L119 LiptonReduction]: Number of co-enabled transitions 1274 [2023-08-27 11:05:05,332 INFO L134 LiptonReduction]: Checked pairs total: 2163 [2023-08-27 11:05:05,333 INFO L136 LiptonReduction]: Total number of compositions: 102 [2023-08-27 11:05:05,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 11:05:05,351 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6a0bc7dc, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 11:05:05,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-08-27 11:05:05,354 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 11:05:05,354 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-08-27 11:05:05,354 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:05,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:05,355 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 11:05:05,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:05,359 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash 319754, now seen corresponding path program 1 times [2023-08-27 11:05:05,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:05,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317504424] [2023-08-27 11:05:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:05,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:05,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:05,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317504424] [2023-08-27 11:05:05,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317504424] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:05,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:05,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 11:05:05,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538400147] [2023-08-27 11:05:05,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:05,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-27 11:05:05,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-27 11:05:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-27 11:05:05,551 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 187 [2023-08-27 11:05:05,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 22 transitions, 47 flow. Second operand has 2 states, 2 states have (on average 85.5) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:05,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 187 [2023-08-27 11:05:05,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:05,638 INFO L124 PetriNetUnfolderBase]: 80/165 cut-off events. [2023-08-27 11:05:05,639 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:05,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 165 events. 80/165 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 653 event pairs, 66 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 326. Up to 166 conditions per place. [2023-08-27 11:05:05,642 INFO L140 encePairwiseOnDemand]: 186/187 looper letters, 21 selfloop transitions, 0 changer transitions 0/21 dead transitions. [2023-08-27 11:05:05,642 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 21 transitions, 87 flow [2023-08-27 11:05:05,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-27 11:05:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-27 11:05:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 190 transitions. [2023-08-27 11:05:05,653 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5080213903743316 [2023-08-27 11:05:05,653 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 190 transitions. [2023-08-27 11:05:05,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 190 transitions. [2023-08-27 11:05:05,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:05,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 190 transitions. [2023-08-27 11:05:05,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 95.0) internal successors, (190), 2 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,663 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 187.0) internal successors, (561), 3 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,664 INFO L175 Difference]: Start difference. First operand has 24 places, 22 transitions, 47 flow. Second operand 2 states and 190 transitions. [2023-08-27 11:05:05,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 21 transitions, 87 flow [2023-08-27 11:05:05,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 21 transitions, 86 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 11:05:05,668 INFO L231 Difference]: Finished difference. Result has 23 places, 21 transitions, 44 flow [2023-08-27 11:05:05,669 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=44, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=44, PETRI_PLACES=23, PETRI_TRANSITIONS=21} [2023-08-27 11:05:05,672 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2023-08-27 11:05:05,672 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 21 transitions, 44 flow [2023-08-27 11:05:05,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.5) internal successors, (171), 2 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,672 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:05,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 11:05:05,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 11:05:05,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:05,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:05,673 INFO L85 PathProgramCache]: Analyzing trace with hash 319751, now seen corresponding path program 1 times [2023-08-27 11:05:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778529934] [2023-08-27 11:05:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:05,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:05,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:05,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778529934] [2023-08-27 11:05:05,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778529934] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:05,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:05,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 11:05:05,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217012652] [2023-08-27 11:05:05,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:05,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:05,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:05,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:05,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:05,746 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 187 [2023-08-27 11:05:05,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 44 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:05,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 187 [2023-08-27 11:05:05,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:05,781 INFO L124 PetriNetUnfolderBase]: 68/139 cut-off events. [2023-08-27 11:05:05,781 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:05,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 283 conditions, 139 events. 68/139 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 498 event pairs, 54 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 280. Up to 139 conditions per place. [2023-08-27 11:05:05,783 INFO L140 encePairwiseOnDemand]: 184/187 looper letters, 18 selfloop transitions, 1 changer transitions 0/19 dead transitions. [2023-08-27 11:05:05,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 19 transitions, 78 flow [2023-08-27 11:05:05,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2023-08-27 11:05:05,785 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39037433155080214 [2023-08-27 11:05:05,785 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 219 transitions. [2023-08-27 11:05:05,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions. [2023-08-27 11:05:05,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:05,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions. [2023-08-27 11:05:05,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,789 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,789 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,789 INFO L175 Difference]: Start difference. First operand has 23 places, 21 transitions, 44 flow. Second operand 3 states and 219 transitions. [2023-08-27 11:05:05,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 19 transitions, 78 flow [2023-08-27 11:05:05,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-27 11:05:05,792 INFO L231 Difference]: Finished difference. Result has 23 places, 19 transitions, 42 flow [2023-08-27 11:05:05,793 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=42, PETRI_PLACES=23, PETRI_TRANSITIONS=19} [2023-08-27 11:05:05,793 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -1 predicate places. [2023-08-27 11:05:05,793 INFO L495 AbstractCegarLoop]: Abstraction has has 23 places, 19 transitions, 42 flow [2023-08-27 11:05:05,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:05,794 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 11:05:05,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 11:05:05,794 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:05,795 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:05,795 INFO L85 PathProgramCache]: Analyzing trace with hash 319753, now seen corresponding path program 1 times [2023-08-27 11:05:05,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:05,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497869591] [2023-08-27 11:05:05,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:05,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:05,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:05,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497869591] [2023-08-27 11:05:05,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497869591] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:05,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:05,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 11:05:05,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13260720] [2023-08-27 11:05:05,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:05,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:05,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:05,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:05,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:05,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 187 [2023-08-27 11:05:05,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 42 flow. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:05,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 187 [2023-08-27 11:05:05,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:05,911 INFO L124 PetriNetUnfolderBase]: 56/113 cut-off events. [2023-08-27 11:05:05,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:05,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 113 events. 56/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 362 event pairs, 42 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 229. Up to 113 conditions per place. [2023-08-27 11:05:05,912 INFO L140 encePairwiseOnDemand]: 184/187 looper letters, 16 selfloop transitions, 1 changer transitions 0/17 dead transitions. [2023-08-27 11:05:05,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 17 transitions, 72 flow [2023-08-27 11:05:05,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:05,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:05,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2023-08-27 11:05:05,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3868092691622103 [2023-08-27 11:05:05,918 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 217 transitions. [2023-08-27 11:05:05,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 217 transitions. [2023-08-27 11:05:05,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:05,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 217 transitions. [2023-08-27 11:05:05,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,923 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,923 INFO L175 Difference]: Start difference. First operand has 23 places, 19 transitions, 42 flow. Second operand 3 states and 217 transitions. [2023-08-27 11:05:05,923 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 17 transitions, 72 flow [2023-08-27 11:05:05,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 17 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 11:05:05,924 INFO L231 Difference]: Finished difference. Result has 22 places, 17 transitions, 39 flow [2023-08-27 11:05:05,924 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=22, PETRI_TRANSITIONS=17} [2023-08-27 11:05:05,925 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -2 predicate places. [2023-08-27 11:05:05,925 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 17 transitions, 39 flow [2023-08-27 11:05:05,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:05,925 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 11:05:05,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 11:05:05,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:05,926 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash 9912536, now seen corresponding path program 1 times [2023-08-27 11:05:05,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:05,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979421772] [2023-08-27 11:05:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:05,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:05,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979421772] [2023-08-27 11:05:05,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979421772] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:05,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:05,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 11:05:05,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802501518] [2023-08-27 11:05:05,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:05,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:05,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:05,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:05,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:05,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 187 [2023-08-27 11:05:05,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 22 places, 17 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:05,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:05,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 187 [2023-08-27 11:05:05,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,055 INFO L124 PetriNetUnfolderBase]: 61/132 cut-off events. [2023-08-27 11:05:06,055 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 11:05:06,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 132 events. 61/132 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 526 event pairs, 42 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 268. Up to 107 conditions per place. [2023-08-27 11:05:06,057 INFO L140 encePairwiseOnDemand]: 183/187 looper letters, 18 selfloop transitions, 3 changer transitions 3/24 dead transitions. [2023-08-27 11:05:06,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 24 transitions, 101 flow [2023-08-27 11:05:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 223 transitions. [2023-08-27 11:05:06,059 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39750445632798576 [2023-08-27 11:05:06,059 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 223 transitions. [2023-08-27 11:05:06,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 223 transitions. [2023-08-27 11:05:06,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,059 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 223 transitions. [2023-08-27 11:05:06,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,062 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,062 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,062 INFO L175 Difference]: Start difference. First operand has 22 places, 17 transitions, 39 flow. Second operand 3 states and 223 transitions. [2023-08-27 11:05:06,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 24 transitions, 101 flow [2023-08-27 11:05:06,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 24 transitions, 100 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 11:05:06,063 INFO L231 Difference]: Finished difference. Result has 24 places, 18 transitions, 53 flow [2023-08-27 11:05:06,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=53, PETRI_PLACES=24, PETRI_TRANSITIONS=18} [2023-08-27 11:05:06,065 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places. [2023-08-27 11:05:06,065 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 18 transitions, 53 flow [2023-08-27 11:05:06,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,066 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,066 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 11:05:06,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-27 11:05:06,066 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 9912440, now seen corresponding path program 1 times [2023-08-27 11:05:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317473170] [2023-08-27 11:05:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317473170] [2023-08-27 11:05:06,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317473170] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 11:05:06,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893095241] [2023-08-27 11:05:06,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:06,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:06,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:06,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 187 [2023-08-27 11:05:06,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 18 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 187 [2023-08-27 11:05:06,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,235 INFO L124 PetriNetUnfolderBase]: 48/116 cut-off events. [2023-08-27 11:05:06,235 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-08-27 11:05:06,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 116 events. 48/116 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 418 event pairs, 23 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 276. Up to 62 conditions per place. [2023-08-27 11:05:06,236 INFO L140 encePairwiseOnDemand]: 180/187 looper letters, 24 selfloop transitions, 5 changer transitions 3/32 dead transitions. [2023-08-27 11:05:06,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 32 transitions, 158 flow [2023-08-27 11:05:06,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:06,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-08-27 11:05:06,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47950089126559714 [2023-08-27 11:05:06,240 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-08-27 11:05:06,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-08-27 11:05:06,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-08-27 11:05:06,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,243 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,243 INFO L175 Difference]: Start difference. First operand has 24 places, 18 transitions, 53 flow. Second operand 3 states and 269 transitions. [2023-08-27 11:05:06,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 32 transitions, 158 flow [2023-08-27 11:05:06,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 32 transitions, 152 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 11:05:06,245 INFO L231 Difference]: Finished difference. Result has 27 places, 22 transitions, 90 flow [2023-08-27 11:05:06,245 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=27, PETRI_TRANSITIONS=22} [2023-08-27 11:05:06,245 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 3 predicate places. [2023-08-27 11:05:06,246 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 22 transitions, 90 flow [2023-08-27 11:05:06,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,246 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,246 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 11:05:06,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-27 11:05:06,246 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,247 INFO L85 PathProgramCache]: Analyzing trace with hash 9912442, now seen corresponding path program 1 times [2023-08-27 11:05:06,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423473834] [2023-08-27 11:05:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423473834] [2023-08-27 11:05:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423473834] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 11:05:06,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144810605] [2023-08-27 11:05:06,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:06,294 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 187 [2023-08-27 11:05:06,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 22 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 187 [2023-08-27 11:05:06,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,343 INFO L124 PetriNetUnfolderBase]: 39/93 cut-off events. [2023-08-27 11:05:06,343 INFO L125 PetriNetUnfolderBase]: For 45/45 co-relation queries the response was YES. [2023-08-27 11:05:06,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265 conditions, 93 events. 39/93 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 308 event pairs, 15 based on Foata normal form. 9/90 useless extension candidates. Maximal degree in co-relation 259. Up to 57 conditions per place. [2023-08-27 11:05:06,350 INFO L140 encePairwiseOnDemand]: 180/187 looper letters, 19 selfloop transitions, 5 changer transitions 6/30 dead transitions. [2023-08-27 11:05:06,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 30 transitions, 172 flow [2023-08-27 11:05:06,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 267 transitions. [2023-08-27 11:05:06,352 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47593582887700536 [2023-08-27 11:05:06,352 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 267 transitions. [2023-08-27 11:05:06,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 267 transitions. [2023-08-27 11:05:06,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 267 transitions. [2023-08-27 11:05:06,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,355 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,355 INFO L175 Difference]: Start difference. First operand has 27 places, 22 transitions, 90 flow. Second operand 3 states and 267 transitions. [2023-08-27 11:05:06,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 30 transitions, 172 flow [2023-08-27 11:05:06,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 30 transitions, 162 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 11:05:06,359 INFO L231 Difference]: Finished difference. Result has 27 places, 17 transitions, 70 flow [2023-08-27 11:05:06,359 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=27, PETRI_TRANSITIONS=17} [2023-08-27 11:05:06,362 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 3 predicate places. [2023-08-27 11:05:06,362 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 17 transitions, 70 flow [2023-08-27 11:05:06,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,363 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,363 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-27 11:05:06,363 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,364 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash 935929648, now seen corresponding path program 1 times [2023-08-27 11:05:06,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169040380] [2023-08-27 11:05:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169040380] [2023-08-27 11:05:06,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169040380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 11:05:06,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484091690] [2023-08-27 11:05:06,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 11:05:06,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 11:05:06,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 11:05:06,421 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 187 [2023-08-27 11:05:06,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 17 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 187 [2023-08-27 11:05:06,421 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,455 INFO L124 PetriNetUnfolderBase]: 20/54 cut-off events. [2023-08-27 11:05:06,455 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-08-27 11:05:06,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 54 events. 20/54 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 151 event pairs, 6 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 149. Up to 29 conditions per place. [2023-08-27 11:05:06,457 INFO L140 encePairwiseOnDemand]: 182/187 looper letters, 14 selfloop transitions, 4 changer transitions 5/23 dead transitions. [2023-08-27 11:05:06,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 23 transitions, 138 flow [2023-08-27 11:05:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 11:05:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 11:05:06,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2023-08-27 11:05:06,459 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39037433155080214 [2023-08-27 11:05:06,459 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 219 transitions. [2023-08-27 11:05:06,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 219 transitions. [2023-08-27 11:05:06,459 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 219 transitions. [2023-08-27 11:05:06,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,462 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 187.0) internal successors, (748), 4 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,462 INFO L175 Difference]: Start difference. First operand has 27 places, 17 transitions, 70 flow. Second operand 3 states and 219 transitions. [2023-08-27 11:05:06,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 23 transitions, 138 flow [2023-08-27 11:05:06,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 136 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-27 11:05:06,464 INFO L231 Difference]: Finished difference. Result has 26 places, 14 transitions, 64 flow [2023-08-27 11:05:06,464 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=26, PETRI_TRANSITIONS=14} [2023-08-27 11:05:06,466 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 2 predicate places. [2023-08-27 11:05:06,466 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 14 transitions, 64 flow [2023-08-27 11:05:06,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,467 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-27 11:05:06,470 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,471 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1052987778, now seen corresponding path program 1 times [2023-08-27 11:05:06,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265690046] [2023-08-27 11:05:06,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265690046] [2023-08-27 11:05:06,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265690046] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 11:05:06,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883731136] [2023-08-27 11:05:06,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 11:05:06,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 11:05:06,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-27 11:05:06,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 187 [2023-08-27 11:05:06,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 14 transitions, 64 flow. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 187 [2023-08-27 11:05:06,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,609 INFO L124 PetriNetUnfolderBase]: 14/44 cut-off events. [2023-08-27 11:05:06,610 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2023-08-27 11:05:06,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 44 events. 14/44 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 120 event pairs, 5 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 127. Up to 13 conditions per place. [2023-08-27 11:05:06,611 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 12 selfloop transitions, 5 changer transitions 5/22 dead transitions. [2023-08-27 11:05:06,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 22 transitions, 126 flow [2023-08-27 11:05:06,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-27 11:05:06,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-27 11:05:06,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 534 transitions. [2023-08-27 11:05:06,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4079449961802903 [2023-08-27 11:05:06,615 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 534 transitions. [2023-08-27 11:05:06,615 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 534 transitions. [2023-08-27 11:05:06,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 534 transitions. [2023-08-27 11:05:06,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 76.28571428571429) internal successors, (534), 7 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,620 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,620 INFO L175 Difference]: Start difference. First operand has 26 places, 14 transitions, 64 flow. Second operand 7 states and 534 transitions. [2023-08-27 11:05:06,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 22 transitions, 126 flow [2023-08-27 11:05:06,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 22 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 11:05:06,624 INFO L231 Difference]: Finished difference. Result has 29 places, 13 transitions, 60 flow [2023-08-27 11:05:06,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=60, PETRI_PLACES=29, PETRI_TRANSITIONS=13} [2023-08-27 11:05:06,627 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 5 predicate places. [2023-08-27 11:05:06,627 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 13 transitions, 60 flow [2023-08-27 11:05:06,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-27 11:05:06,628 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1052987777, now seen corresponding path program 1 times [2023-08-27 11:05:06,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809500842] [2023-08-27 11:05:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809500842] [2023-08-27 11:05:06,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809500842] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 11:05:06,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297421431] [2023-08-27 11:05:06,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 11:05:06,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 11:05:06,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-27 11:05:06,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 187 [2023-08-27 11:05:06,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 13 transitions, 60 flow. Second operand has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 187 [2023-08-27 11:05:06,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,742 INFO L124 PetriNetUnfolderBase]: 12/36 cut-off events. [2023-08-27 11:05:06,742 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2023-08-27 11:05:06,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 36 events. 12/36 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 79 event pairs, 3 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 105. Up to 10 conditions per place. [2023-08-27 11:05:06,743 INFO L140 encePairwiseOnDemand]: 181/187 looper letters, 8 selfloop transitions, 3 changer transitions 7/18 dead transitions. [2023-08-27 11:05:06,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 18 transitions, 104 flow [2023-08-27 11:05:06,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-27 11:05:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-27 11:05:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 384 transitions. [2023-08-27 11:05:06,745 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4106951871657754 [2023-08-27 11:05:06,745 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 384 transitions. [2023-08-27 11:05:06,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 384 transitions. [2023-08-27 11:05:06,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 384 transitions. [2023-08-27 11:05:06,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 76.8) internal successors, (384), 5 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,764 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 187.0) internal successors, (1122), 6 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,764 INFO L175 Difference]: Start difference. First operand has 29 places, 13 transitions, 60 flow. Second operand 5 states and 384 transitions. [2023-08-27 11:05:06,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 18 transitions, 104 flow [2023-08-27 11:05:06,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 18 transitions, 94 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-27 11:05:06,766 INFO L231 Difference]: Finished difference. Result has 28 places, 9 transitions, 42 flow [2023-08-27 11:05:06,766 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=42, PETRI_PLACES=28, PETRI_TRANSITIONS=9} [2023-08-27 11:05:06,767 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 4 predicate places. [2023-08-27 11:05:06,767 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 9 transitions, 42 flow [2023-08-27 11:05:06,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.4) internal successors, (372), 5 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,768 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,768 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-27 11:05:06,768 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1053064411, now seen corresponding path program 1 times [2023-08-27 11:05:06,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198694483] [2023-08-27 11:05:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198694483] [2023-08-27 11:05:06,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198694483] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 11:05:06,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422726423] [2023-08-27 11:05:06,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 11:05:06,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 11:05:06,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-27 11:05:06,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 187 [2023-08-27 11:05:06,842 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 9 transitions, 42 flow. Second operand has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 187 [2023-08-27 11:05:06,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,867 INFO L124 PetriNetUnfolderBase]: 5/18 cut-off events. [2023-08-27 11:05:06,868 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-08-27 11:05:06,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 18 events. 5/18 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 1 based on Foata normal form. 2/20 useless extension candidates. Maximal degree in co-relation 54. Up to 6 conditions per place. [2023-08-27 11:05:06,868 INFO L140 encePairwiseOnDemand]: 182/187 looper letters, 8 selfloop transitions, 4 changer transitions 0/12 dead transitions. [2023-08-27 11:05:06,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 12 transitions, 74 flow [2023-08-27 11:05:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-27 11:05:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-27 11:05:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 458 transitions. [2023-08-27 11:05:06,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40819964349376114 [2023-08-27 11:05:06,870 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 458 transitions. [2023-08-27 11:05:06,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 458 transitions. [2023-08-27 11:05:06,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 458 transitions. [2023-08-27 11:05:06,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,873 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,874 INFO L175 Difference]: Start difference. First operand has 28 places, 9 transitions, 42 flow. Second operand 6 states and 458 transitions. [2023-08-27 11:05:06,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 12 transitions, 74 flow [2023-08-27 11:05:06,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 12 transitions, 58 flow, removed 2 selfloop flow, removed 5 redundant places. [2023-08-27 11:05:06,875 INFO L231 Difference]: Finished difference. Result has 21 places, 8 transitions, 32 flow [2023-08-27 11:05:06,875 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=4, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=32, PETRI_PLACES=21, PETRI_TRANSITIONS=8} [2023-08-27 11:05:06,876 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2023-08-27 11:05:06,876 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 8 transitions, 32 flow [2023-08-27 11:05:06,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,876 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 11:05:06,877 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-27 11:05:06,877 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2023-08-27 11:05:06,877 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 11:05:06,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1053064413, now seen corresponding path program 1 times [2023-08-27 11:05:06,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 11:05:06,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285154814] [2023-08-27 11:05:06,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 11:05:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 11:05:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 11:05:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 11:05:06,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 11:05:06,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285154814] [2023-08-27 11:05:06,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285154814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 11:05:06,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 11:05:06,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 11:05:06,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812839885] [2023-08-27 11:05:06,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 11:05:06,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 11:05:06,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 11:05:06,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 11:05:06,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-27 11:05:06,929 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 187 [2023-08-27 11:05:06,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 8 transitions, 32 flow. Second operand has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,930 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 11:05:06,930 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 187 [2023-08-27 11:05:06,930 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 11:05:06,952 INFO L124 PetriNetUnfolderBase]: 4/15 cut-off events. [2023-08-27 11:05:06,953 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-27 11:05:06,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 15 events. 4/15 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 12 event pairs, 1 based on Foata normal form. 2/17 useless extension candidates. Maximal degree in co-relation 43. Up to 6 conditions per place. [2023-08-27 11:05:06,953 INFO L140 encePairwiseOnDemand]: 182/187 looper letters, 0 selfloop transitions, 0 changer transitions 10/10 dead transitions. [2023-08-27 11:05:06,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 10 transitions, 54 flow [2023-08-27 11:05:06,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-27 11:05:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-27 11:05:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 456 transitions. [2023-08-27 11:05:06,955 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40641711229946526 [2023-08-27 11:05:06,955 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 456 transitions. [2023-08-27 11:05:06,955 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 456 transitions. [2023-08-27 11:05:06,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 11:05:06,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 456 transitions. [2023-08-27 11:05:06,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 76.0) internal successors, (456), 6 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,958 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,959 INFO L175 Difference]: Start difference. First operand has 21 places, 8 transitions, 32 flow. Second operand 6 states and 456 transitions. [2023-08-27 11:05:06,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 10 transitions, 54 flow [2023-08-27 11:05:06,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 10 transitions, 45 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-27 11:05:06,959 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2023-08-27 11:05:06,959 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=19, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2023-08-27 11:05:06,960 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -5 predicate places. [2023-08-27 11:05:06,960 INFO L495 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2023-08-27 11:05:06,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 11:05:06,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2023-08-27 11:05:06,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2023-08-27 11:05:06,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2023-08-27 11:05:06,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2023-08-27 11:05:06,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2023-08-27 11:05:06,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2023-08-27 11:05:06,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2023-08-27 11:05:06,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-27 11:05:06,966 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 11:05:06,970 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 11:05:06,970 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 11:05:06,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:05:06 BasicIcfg [2023-08-27 11:05:06,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 11:05:06,974 INFO L158 Benchmark]: Toolchain (without parser) took 5654.57ms. Allocated memory was 356.5MB in the beginning and 442.5MB in the end (delta: 86.0MB). Free memory was 331.6MB in the beginning and 383.2MB in the end (delta: -51.6MB). Peak memory consumption was 35.0MB. Max. memory is 16.0GB. [2023-08-27 11:05:06,974 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 356.5MB. Free memory is still 333.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 11:05:06,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.62ms. Allocated memory is still 356.5MB. Free memory was 331.0MB in the beginning and 303.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-27 11:05:06,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.30ms. Allocated memory is still 356.5MB. Free memory was 303.6MB in the beginning and 301.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 11:05:06,975 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 356.5MB. Free memory was 301.2MB in the beginning and 300.2MB in the end (delta: 975.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 11:05:06,975 INFO L158 Benchmark]: RCFGBuilder took 430.21ms. Allocated memory is still 356.5MB. Free memory was 300.2MB in the beginning and 286.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-08-27 11:05:06,976 INFO L158 Benchmark]: TraceAbstraction took 4544.91ms. Allocated memory was 356.5MB in the beginning and 442.5MB in the end (delta: 86.0MB). Free memory was 285.5MB in the beginning and 383.2MB in the end (delta: -97.6MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 11:05:06,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 356.5MB. Free memory is still 333.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 587.62ms. Allocated memory is still 356.5MB. Free memory was 331.0MB in the beginning and 303.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 51.30ms. Allocated memory is still 356.5MB. Free memory was 303.6MB in the beginning and 301.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 356.5MB. Free memory was 301.2MB in the beginning and 300.2MB in the end (delta: 975.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 430.21ms. Allocated memory is still 356.5MB. Free memory was 300.2MB in the beginning and 286.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * TraceAbstraction took 4544.91ms. Allocated memory was 356.5MB in the beginning and 442.5MB in the end (delta: 86.0MB). Free memory was 285.5MB in the beginning and 383.2MB in the end (delta: -97.6MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 121]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [121] - GenericResultAtLocation [Line: 483]: Unsoundness Warning unspecified type, defaulting to int C: short [483] - GenericResultAtLocation [Line: 483]: Unsoundness Warning unspecified type, defaulting to int C: short [483] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.7s, 84 PlacesBefore, 24 PlacesAfterwards, 84 TransitionsBefore, 22 TransitionsAfterwards, 1274 CoEnabledTransitionPairs, 5 FixpointIterations, 20 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 2 ChoiceCompositions, 102 TotalNumberOfCompositions, 2163 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1384, independent: 1311, independent conditional: 0, independent unconditional: 1311, dependent: 73, dependent conditional: 0, dependent unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 777, independent: 755, independent conditional: 0, independent unconditional: 755, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1384, independent: 556, independent conditional: 0, independent unconditional: 556, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 777, unknown conditional: 0, unknown unconditional: 777] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 949]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 949]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 951]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 932]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 932]: 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 3 procedures, 97 locations, 13 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: 4.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 313 IncrementalHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 313 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=5, InterpolantAutomatonStates: 44, 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, 0.5s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-27 11:05:06,995 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...