/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:24:46,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:24:46,191 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 [2023-08-25 03:24:46,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:24:46,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:24:46,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:24:46,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:24:46,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:24:46,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:24:46,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:24:46,214 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:24:46,214 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:24:46,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:24:46,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:24:46,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:24:46,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:24:46,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:24:46,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:24:46,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:24:46,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:24:46,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:24:46,219 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:24:46,220 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:24:46,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:24:46,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:24:46,223 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:24:46,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:24:46,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:24:46,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:24:46,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:24:46,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:24:46,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:24:46,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:24:46,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:24:46,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:24:46,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:24:46,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:24:46,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:24:46,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:24:46,536 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:24:46,536 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:24:46,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2023-08-25 03:24:47,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:24:48,081 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:24:48,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_10-equ_rc.i [2023-08-25 03:24:48,097 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53797f543/afe9018ab2eb4070937abad10a1748fc/FLAGdb2c3bbdd [2023-08-25 03:24:48,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53797f543/afe9018ab2eb4070937abad10a1748fc [2023-08-25 03:24:48,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:24:48,118 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:24:48,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:24:48,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:24:48,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:24:48,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0f0909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48, skipping insertion in model container [2023-08-25 03:24:48,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:24:48,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:24:48,516 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:24:48,532 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:24:48,534 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [245] [2023-08-25 03:24:48,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:24:48,595 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:24:48,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48 WrapperNode [2023-08-25 03:24:48,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:24:48,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:24:48,596 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:24:48,596 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:24:48,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,628 INFO L138 Inliner]: procedures = 265, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-08-25 03:24:48,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:24:48,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:24:48,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:24:48,629 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:24:48,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,655 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:24:48,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:24:48,658 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:24:48,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:24:48,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (1/1) ... [2023-08-25 03:24:48,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:24:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:24:48,687 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) [2023-08-25 03:24:48,697 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 [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:24:48,716 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:24:48,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:24:48,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:24:48,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:24:48,717 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 03:24:48,800 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:24:48,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:24:48,920 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:24:48,925 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:24:48,925 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:24:48,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:24:48 BoogieIcfgContainer [2023-08-25 03:24:48,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:24:48,928 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:24:48,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:24:48,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:24:48,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:24:48" (1/3) ... [2023-08-25 03:24:48,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357744cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:24:48, skipping insertion in model container [2023-08-25 03:24:48,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:24:48" (2/3) ... [2023-08-25 03:24:48,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@357744cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:24:48, skipping insertion in model container [2023-08-25 03:24:48,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:24:48" (3/3) ... [2023-08-25 03:24:48,934 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2023-08-25 03:24:48,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:24:48,945 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-25 03:24:48,945 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:24:49,005 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 03:24:49,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 86 transitions, 177 flow [2023-08-25 03:24:49,080 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2023-08-25 03:24:49,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:24:49,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 1/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-25 03:24:49,083 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 86 transitions, 177 flow [2023-08-25 03:24:49,087 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 85 transitions, 173 flow [2023-08-25 03:24:49,090 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:24:49,100 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 85 transitions, 173 flow [2023-08-25 03:24:49,104 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 85 transitions, 173 flow [2023-08-25 03:24:49,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 88 places, 85 transitions, 173 flow [2023-08-25 03:24:49,130 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2023-08-25 03:24:49,130 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:24:49,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 85 events. 1/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 42 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2023-08-25 03:24:49,131 INFO L119 LiptonReduction]: Number of co-enabled transitions 570 [2023-08-25 03:24:52,405 INFO L134 LiptonReduction]: Checked pairs total: 2739 [2023-08-25 03:24:52,405 INFO L136 LiptonReduction]: Total number of compositions: 69 [2023-08-25 03:24:52,414 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:24:52,418 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;@60195821, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:24:52,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-08-25 03:24:52,421 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:24:52,421 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2023-08-25 03:24:52,421 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:24:52,421 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:24:52,422 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:24:52,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-25 03:24:52,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:24:52,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1094503810, now seen corresponding path program 1 times [2023-08-25 03:24:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:24:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594189168] [2023-08-25 03:24:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:24:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:24:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:24:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:24:52,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:24:52,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594189168] [2023-08-25 03:24:52,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594189168] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:24:52,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:24:52,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:24:52,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952426479] [2023-08-25 03:24:52,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:24:52,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:24:52,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:24:52,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:24:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:24:53,001 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 155 [2023-08-25 03:24:53,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:24:53,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 155 [2023-08-25 03:24:53,007 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:24:53,211 INFO L124 PetriNetUnfolderBase]: 108/241 cut-off events. [2023-08-25 03:24:53,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:24:53,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 487 conditions, 241 events. 108/241 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 917 event pairs, 30 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 478. Up to 160 conditions per place. [2023-08-25 03:24:53,214 INFO L140 encePairwiseOnDemand]: 144/155 looper letters, 31 selfloop transitions, 22 changer transitions 8/61 dead transitions. [2023-08-25 03:24:53,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 61 transitions, 247 flow [2023-08-25 03:24:53,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:24:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:24:53,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 416 transitions. [2023-08-25 03:24:53,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44731182795698926 [2023-08-25 03:24:53,244 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 416 transitions. [2023-08-25 03:24:53,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 416 transitions. [2023-08-25 03:24:53,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:24:53,247 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 416 transitions. [2023-08-25 03:24:53,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,260 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,262 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 6 states and 416 transitions. [2023-08-25 03:24:53,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 61 transitions, 247 flow [2023-08-25 03:24:53,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 61 transitions, 246 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:24:53,266 INFO L231 Difference]: Finished difference. Result has 33 places, 41 transitions, 192 flow [2023-08-25 03:24:53,267 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=33, PETRI_TRANSITIONS=41} [2023-08-25 03:24:53,270 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 9 predicate places. [2023-08-25 03:24:53,271 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 41 transitions, 192 flow [2023-08-25 03:24:53,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.5) internal successors, (363), 6 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,271 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:24:53,271 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:24:53,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:24:53,272 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-25 03:24:53,278 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:24:53,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2063186106, now seen corresponding path program 1 times [2023-08-25 03:24:53,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:24:53,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075571440] [2023-08-25 03:24:53,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:24:53,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:24:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:24:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 03:24:53,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:24:53,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075571440] [2023-08-25 03:24:53,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075571440] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:24:53,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:24:53,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-25 03:24:53,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800147262] [2023-08-25 03:24:53,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:24:53,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-25 03:24:53,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:24:53,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-25 03:24:53,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-25 03:24:53,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 155 [2023-08-25 03:24:53,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 41 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:24:53,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 155 [2023-08-25 03:24:53,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:24:53,637 INFO L124 PetriNetUnfolderBase]: 140/310 cut-off events. [2023-08-25 03:24:53,638 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2023-08-25 03:24:53,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 933 conditions, 310 events. 140/310 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1281 event pairs, 26 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 920. Up to 215 conditions per place. [2023-08-25 03:24:53,644 INFO L140 encePairwiseOnDemand]: 144/155 looper letters, 48 selfloop transitions, 26 changer transitions 19/93 dead transitions. [2023-08-25 03:24:53,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 93 transitions, 602 flow [2023-08-25 03:24:53,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-25 03:24:53,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-25 03:24:53,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 464 transitions. [2023-08-25 03:24:53,649 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4989247311827957 [2023-08-25 03:24:53,649 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 464 transitions. [2023-08-25 03:24:53,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 464 transitions. [2023-08-25 03:24:53,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:24:53,650 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 464 transitions. [2023-08-25 03:24:53,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.33333333333333) internal successors, (464), 6 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,653 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,653 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,653 INFO L175 Difference]: Start difference. First operand has 33 places, 41 transitions, 192 flow. Second operand 6 states and 464 transitions. [2023-08-25 03:24:53,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 93 transitions, 602 flow [2023-08-25 03:24:53,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 93 transitions, 602 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:24:53,659 INFO L231 Difference]: Finished difference. Result has 43 places, 62 transitions, 416 flow [2023-08-25 03:24:53,660 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=155, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=416, PETRI_PLACES=43, PETRI_TRANSITIONS=62} [2023-08-25 03:24:53,660 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, 19 predicate places. [2023-08-25 03:24:53,660 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 62 transitions, 416 flow [2023-08-25 03:24:53,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.5) internal successors, (411), 6 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:24:53,661 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:24:53,661 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 03:24:53,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:24:53,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-08-25 03:24:53,664 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:24:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash 714477190, now seen corresponding path program 1 times [2023-08-25 03:24:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:24:53,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971412914] [2023-08-25 03:24:53,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:24:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:24:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:24:53,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-25 03:24:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-25 03:24:53,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-25 03:24:53,768 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-25 03:24:53,770 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-08-25 03:24:53,771 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-08-25 03:24:53,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-08-25 03:24:53,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-08-25 03:24:53,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 03:24:53,772 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-08-25 03:24:53,776 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:24:53,776 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:24:53,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:24:53 BasicIcfg [2023-08-25 03:24:53,817 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:24:53,818 INFO L158 Benchmark]: Toolchain (without parser) took 5699.47ms. Allocated memory was 362.8MB in the beginning and 436.2MB in the end (delta: 73.4MB). Free memory was 336.2MB in the beginning and 330.5MB in the end (delta: 5.6MB). Peak memory consumption was 82.2MB. Max. memory is 16.0GB. [2023-08-25 03:24:53,819 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 362.8MB. Free memory was 340.8MB in the beginning and 340.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:24:53,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.66ms. Allocated memory is still 362.8MB. Free memory was 336.2MB in the beginning and 308.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-25 03:24:53,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.29ms. Allocated memory is still 362.8MB. Free memory was 308.9MB in the beginning and 306.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 03:24:53,823 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 362.8MB. Free memory was 306.0MB in the beginning and 304.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:24:53,823 INFO L158 Benchmark]: RCFGBuilder took 268.75ms. Allocated memory is still 362.8MB. Free memory was 304.7MB in the beginning and 289.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-25 03:24:53,824 INFO L158 Benchmark]: TraceAbstraction took 4889.32ms. Allocated memory was 362.8MB in the beginning and 436.2MB in the end (delta: 73.4MB). Free memory was 288.5MB in the beginning and 330.5MB in the end (delta: -42.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.0GB. [2023-08-25 03:24:53,829 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 362.8MB. Free memory was 340.8MB in the beginning and 340.6MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 472.66ms. Allocated memory is still 362.8MB. Free memory was 336.2MB in the beginning and 308.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.29ms. Allocated memory is still 362.8MB. Free memory was 308.9MB in the beginning and 306.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 362.8MB. Free memory was 306.0MB in the beginning and 304.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 268.75ms. Allocated memory is still 362.8MB. Free memory was 304.7MB in the beginning and 289.2MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 4889.32ms. Allocated memory was 362.8MB in the beginning and 436.2MB in the end (delta: 73.4MB). Free memory was 288.5MB in the beginning and 330.5MB in the end (delta: -42.1MB). Peak memory consumption was 33.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] - GenericResultAtLocation [Line: 245]: Unsoundness Warning unspecified type, defaulting to int C: short [245] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3s, 88 PlacesBefore, 24 PlacesAfterwards, 85 TransitionsBefore, 20 TransitionsAfterwards, 570 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 2739 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1016, independent: 772, independent conditional: 0, independent unconditional: 772, dependent: 244, dependent conditional: 0, dependent unconditional: 244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 276, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1016, independent: 523, independent conditional: 0, independent unconditional: 523, dependent: 217, dependent conditional: 0, dependent unconditional: 217, unknown: 276, unknown conditional: 0, unknown unconditional: 276] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - DataRaceFoundResult [Line: 1019]: Data race detected Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; [L1003] 0 int x = __VERIFIER_nondet_int(); [L1004] 0 pthread_t id; [L1005] 0 struct s *s; [L1006] 0 int *d; [L1007] 0 pthread_mutex_t *m; [L1008] COND FALSE 0 !(\read(x)) [L1012] 0 s = &B [L1013] 0 x++ [L1015] 0 m = &s->mutex [L1016] 0 d = &s->datum [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, B={2:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, pthread_create(&id,((void *)0),t_fun,((void *)0))=-1, s={2:0}, x++=37, x++=39, x=1] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, arg={0:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, pthread_mutex_lock(&A.mutex)=0, s={2:0}, x++=37, x++=39, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, arg={0:0}, arg={0:0}] [L1019] 0 *d = 8 VAL [*d = 8=40, A={1:0}, B={2:0}, arg={0:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x++=37, x++=39, x=1] [L1019] 0 *d = 8 VAL [*d = 8=40, A={1:0}, B.datum = 5=38, B={2:0}, arg={0:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x++=37, x++=39, x=1] Now there is a data race (on the heap) between C: B.datum = 5 [996] and C: *d = 8 [1019] - UnprovableResult [Line: 1017]: 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. - UnprovableResult [Line: 996]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 103 locations, 4 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: 4.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 275 IncrementalHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 13 mSDtfsCounter, 275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 0.7s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 178 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! [2023-08-25 03:24:53,862 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...