/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 INSUFFICIENT_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/13-privatized_19-publish-precision_unknown_2_neg.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 04:50:47,805 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 04:50:47,893 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 04:50:47,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 04:50:47,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 04:50:47,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 04:50:47,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 04:50:47,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 04:50:47,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 04:50:47,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 04:50:47,934 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 04:50:47,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 04:50:47,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 04:50:47,936 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 04:50:47,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 04:50:47,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 04:50:47,937 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 04:50:47,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 04:50:47,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 04:50:47,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 04:50:47,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 04:50:47,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 04:50:47,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 04:50:47,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 04:50:47,942 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 04:50:47,942 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 04:50:47,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 04:50:47,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 04:50:47,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 04:50:47,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 04:50:47,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 04:50:47,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 04:50:47,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 04:50:47,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 04:50:47,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 04:50:47,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 04:50:48,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 04:50:48,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 04:50:48,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 04:50:48,305 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 04:50:48,305 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 04:50:48,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2023-08-27 04:50:49,420 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 04:50:49,677 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 04:50:49,678 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_neg.i [2023-08-27 04:50:49,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dac4c58/ed6b40e7d64948c6a1bfee91ff6690c2/FLAG6036c773f [2023-08-27 04:50:49,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dac4c58/ed6b40e7d64948c6a1bfee91ff6690c2 [2023-08-27 04:50:49,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 04:50:49,708 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 04:50:49,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 04:50:49,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 04:50:49,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 04:50:49,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:50:49" (1/1) ... [2023-08-27 04:50:49,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a809eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:49, skipping insertion in model container [2023-08-27 04:50:49,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:50:49" (1/1) ... [2023-08-27 04:50:49,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 04:50:50,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 04:50:50,036 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 04:50:50,058 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-27 04:50:50,060 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-27 04:50:50,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 04:50:50,110 INFO L206 MainTranslator]: Completed translation [2023-08-27 04:50:50,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50 WrapperNode [2023-08-27 04:50:50,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 04:50:50,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 04:50:50,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 04:50:50,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 04:50:50,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,162 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-08-27 04:50:50,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 04:50:50,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 04:50:50,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 04:50:50,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 04:50:50,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 04:50:50,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 04:50:50,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 04:50:50,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 04:50:50,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (1/1) ... [2023-08-27 04:50:50,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 04:50:50,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 04:50:50,213 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 04:50:50,215 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 04:50:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 04:50:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 04:50:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-27 04:50:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 04:50:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 04:50:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-27 04:50:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-27 04:50:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 04:50:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 04:50:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 04:50:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 04:50:50,246 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 04:50:50,346 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 04:50:50,348 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 04:50:50,466 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 04:50:50,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 04:50:50,472 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 04:50:50,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:50:50 BoogieIcfgContainer [2023-08-27 04:50:50,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 04:50:50,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 04:50:50,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 04:50:50,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 04:50:50,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:50:49" (1/3) ... [2023-08-27 04:50:50,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b2dbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:50:50, skipping insertion in model container [2023-08-27 04:50:50,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:50:50" (2/3) ... [2023-08-27 04:50:50,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b2dbdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:50:50, skipping insertion in model container [2023-08-27 04:50:50,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:50:50" (3/3) ... [2023-08-27 04:50:50,481 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_neg.i [2023-08-27 04:50:50,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 04:50:50,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-27 04:50:50,496 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 04:50:50,538 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-27 04:50:50,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 69 transitions, 146 flow [2023-08-27 04:50:50,650 INFO L124 PetriNetUnfolderBase]: 2/68 cut-off events. [2023-08-27 04:50:50,650 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-27 04:50:50,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 2/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 32. Up to 2 conditions per place. [2023-08-27 04:50:50,656 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 69 transitions, 146 flow [2023-08-27 04:50:50,660 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2023-08-27 04:50:50,665 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 04:50:50,677 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-27 04:50:50,683 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2023-08-27 04:50:50,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2023-08-27 04:50:50,717 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-08-27 04:50:50,717 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:50,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-08-27 04:50:50,718 INFO L119 LiptonReduction]: Number of co-enabled transitions 308 [2023-08-27 04:50:52,931 INFO L134 LiptonReduction]: Checked pairs total: 623 [2023-08-27 04:50:52,932 INFO L136 LiptonReduction]: Total number of compositions: 42 [2023-08-27 04:50:52,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 04:50:52,948 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;@19290568, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 04:50:52,948 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-27 04:50:52,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 04:50:52,951 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2023-08-27 04:50:52,951 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:52,951 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:50:52,951 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-27 04:50:52,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 04:50:52,956 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:50:52,956 INFO L85 PathProgramCache]: Analyzing trace with hash 7192635, now seen corresponding path program 1 times [2023-08-27 04:50:52,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:50:52,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669461303] [2023-08-27 04:50:52,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:50:52,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:50:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:50:53,223 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 04:50:53,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:50:53,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669461303] [2023-08-27 04:50:53,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669461303] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:50:53,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:50:53,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 04:50:53,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742140759] [2023-08-27 04:50:53,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:50:53,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 04:50:53,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:50:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 04:50:53,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 04:50:53,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 111 [2023-08-27 04:50:53,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 16 places, 12 transitions, 27 flow. Second operand has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 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 04:50:53,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:50:53,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 111 [2023-08-27 04:50:53,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:50:53,296 INFO L124 PetriNetUnfolderBase]: 7/31 cut-off events. [2023-08-27 04:50:53,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 04:50:53,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 31 events. 7/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 5 based on Foata normal form. 5/36 useless extension candidates. Maximal degree in co-relation 53. Up to 17 conditions per place. [2023-08-27 04:50:53,297 INFO L140 encePairwiseOnDemand]: 107/111 looper letters, 8 selfloop transitions, 3 changer transitions 0/13 dead transitions. [2023-08-27 04:50:53,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 18 places, 13 transitions, 51 flow [2023-08-27 04:50:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 04:50:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 04:50:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2023-08-27 04:50:53,308 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5765765765765766 [2023-08-27 04:50:53,309 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2023-08-27 04:50:53,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2023-08-27 04:50:53,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:50:53,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2023-08-27 04:50:53,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,319 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,321 INFO L175 Difference]: Start difference. First operand has 16 places, 12 transitions, 27 flow. Second operand 3 states and 192 transitions. [2023-08-27 04:50:53,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 18 places, 13 transitions, 51 flow [2023-08-27 04:50:53,323 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 04:50:53,324 INFO L231 Difference]: Finished difference. Result has 18 places, 12 transitions, 37 flow [2023-08-27 04:50:53,326 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, 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=3, PETRI_FLOW=37, PETRI_PLACES=18, PETRI_TRANSITIONS=12} [2023-08-27 04:50:53,329 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, 2 predicate places. [2023-08-27 04:50:53,329 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 12 transitions, 37 flow [2023-08-27 04:50:53,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.333333333333336) internal successors, (184), 3 states have internal predecessors, (184), 0 states have call successors, (0), 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 04:50:53,329 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:50:53,329 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-27 04:50:53,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 04:50:53,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 04:50:53,330 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:50:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash -492857312, now seen corresponding path program 1 times [2023-08-27 04:50:53,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:50:53,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659273375] [2023-08-27 04:50:53,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:50:53,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:50:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 04:50:53,431 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 04:50:53,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 04:50:53,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659273375] [2023-08-27 04:50:53,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659273375] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 04:50:53,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 04:50:53,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 04:50:53,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417720934] [2023-08-27 04:50:53,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 04:50:53,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 04:50:53,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 04:50:53,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 04:50:53,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 04:50:53,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 111 [2023-08-27 04:50:53,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 12 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 04:50:53,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 04:50:53,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 111 [2023-08-27 04:50:53,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 04:50:53,461 INFO L124 PetriNetUnfolderBase]: 1/18 cut-off events. [2023-08-27 04:50:53,461 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-27 04:50:53,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 18 events. 1/18 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 11 event pairs, 0 based on Foata normal form. 5/23 useless extension candidates. Maximal degree in co-relation 34. Up to 9 conditions per place. [2023-08-27 04:50:53,461 INFO L140 encePairwiseOnDemand]: 105/111 looper letters, 4 selfloop transitions, 3 changer transitions 6/14 dead transitions. [2023-08-27 04:50:53,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 14 transitions, 65 flow [2023-08-27 04:50:53,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 04:50:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 04:50:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2023-08-27 04:50:53,463 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2023-08-27 04:50:53,464 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 165 transitions. [2023-08-27 04:50:53,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 165 transitions. [2023-08-27 04:50:53,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 04:50:53,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 165 transitions. [2023-08-27 04:50:53,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 55.0) internal successors, (165), 3 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,466 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 111.0) internal successors, (444), 4 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 04:50:53,467 INFO L175 Difference]: Start difference. First operand has 18 places, 12 transitions, 37 flow. Second operand 3 states and 165 transitions. [2023-08-27 04:50:53,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 14 transitions, 65 flow [2023-08-27 04:50:53,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 14 transitions, 59 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 04:50:53,467 INFO L231 Difference]: Finished difference. Result has 18 places, 8 transitions, 28 flow [2023-08-27 04:50:53,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=111, PETRI_DIFFERENCE_MINUEND_FLOW=31, PETRI_DIFFERENCE_MINUEND_PLACES=16, 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=3, PETRI_FLOW=28, PETRI_PLACES=18, PETRI_TRANSITIONS=8} [2023-08-27 04:50:53,468 INFO L281 CegarLoopForPetriNet]: 16 programPoint places, 2 predicate places. [2023-08-27 04:50:53,468 INFO L495 AbstractCegarLoop]: Abstraction has has 18 places, 8 transitions, 28 flow [2023-08-27 04:50:53,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 0 states have call successors, (0), 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 04:50:53,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 04:50:53,469 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 04:50:53,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 04:50:53,469 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-27 04:50:53,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 04:50:53,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1891939145, now seen corresponding path program 1 times [2023-08-27 04:50:53,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 04:50:53,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617840725] [2023-08-27 04:50:53,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 04:50:53,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 04:50:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 04:50:53,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-27 04:50:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-27 04:50:53,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-27 04:50:53,514 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-27 04:50:53,515 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (1 of 2 remaining) [2023-08-27 04:50:53,516 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-27 04:50:53,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-27 04:50:53,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-27 04:50:53,526 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 04:50:53,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 04:50:53,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 04:50:53 BasicIcfg [2023-08-27 04:50:53,547 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 04:50:53,547 INFO L158 Benchmark]: Toolchain (without parser) took 3839.00ms. Allocated memory is still 337.6MB. Free memory was 293.7MB in the beginning and 219.7MB in the end (delta: 74.0MB). Peak memory consumption was 76.1MB. Max. memory is 16.0GB. [2023-08-27 04:50:53,548 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 337.6MB. Free memory was 315.1MB in the beginning and 314.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 04:50:53,548 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.79ms. Allocated memory is still 337.6MB. Free memory was 293.7MB in the beginning and 274.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 04:50:53,549 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.74ms. Allocated memory is still 337.6MB. Free memory was 274.9MB in the beginning and 272.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 04:50:53,549 INFO L158 Benchmark]: Boogie Preprocessor took 19.17ms. Allocated memory is still 337.6MB. Free memory was 272.8MB in the beginning and 271.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 04:50:53,549 INFO L158 Benchmark]: RCFGBuilder took 291.23ms. Allocated memory is still 337.6MB. Free memory was 271.7MB in the beginning and 258.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-27 04:50:53,550 INFO L158 Benchmark]: TraceAbstraction took 3070.71ms. Allocated memory is still 337.6MB. Free memory was 257.1MB in the beginning and 219.7MB in the end (delta: 37.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.0GB. [2023-08-27 04:50:53,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 337.6MB. Free memory was 315.1MB in the beginning and 314.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 401.79ms. Allocated memory is still 337.6MB. Free memory was 293.7MB in the beginning and 274.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 50.74ms. Allocated memory is still 337.6MB. Free memory was 274.9MB in the beginning and 272.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 19.17ms. Allocated memory is still 337.6MB. Free memory was 272.8MB in the beginning and 271.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 291.23ms. Allocated memory is still 337.6MB. Free memory was 271.7MB in the beginning and 258.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3070.71ms. Allocated memory is still 337.6MB. Free memory was 257.1MB in the beginning and 219.7MB in the end (delta: 37.3MB). Peak memory consumption was 40.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.2s, 58 PlacesBefore, 16 PlacesAfterwards, 54 TransitionsBefore, 12 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 15 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 42 TotalNumberOfCompositions, 623 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 412, independent: 306, independent conditional: 0, independent unconditional: 306, dependent: 106, dependent conditional: 0, dependent unconditional: 106, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 180, independent: 158, independent conditional: 0, independent unconditional: 158, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 412, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 84, dependent conditional: 0, dependent unconditional: 84, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 18]: assertion can be violated assertion can be violated We found a FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={5:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L687] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] [L699] CALL 0 __VERIFIER_assert(!(glob1 == 5)) [L19] COND TRUE 0 !(cond) [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "13-privatized_19-publish-precision_unknown_2_neg.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 84 locations, 2 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: 2.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=1, InterpolantAutomatonStates: 6, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2023-08-27 04:50:53,569 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...