/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/13-privatized_19-publish-precision_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 03:56:00,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 03:56:00,612 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 03:56:00,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 03:56:00,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 03:56:00,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 03:56:00,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 03:56:00,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 03:56:00,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 03:56:00,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 03:56:00,653 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 03:56:00,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 03:56:00,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 03:56:00,654 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 03:56:00,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 03:56:00,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 03:56:00,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 03:56:00,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 03:56:00,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 03:56:00,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 03:56:00,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 03:56:00,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 03:56:00,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 03:56:00,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 03:56:00,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 03:56:00,658 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 03:56:00,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 03:56:00,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:56:00,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 03:56:00,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 03:56:00,660 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 03:56:00,660 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 03:56:00,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 03:56:00,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 03:56:00,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 03:56:00,661 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 03:56:00,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 03:56:00,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 03:56:00,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 03:56:00,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 03:56:00,998 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 03:56:00,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-08-25 03:56:02,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 03:56:02,454 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 03:56:02,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_true.i [2023-08-25 03:56:02,467 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be85a471/5dcaa0f9e7194587a41a404d1b7ce6eb/FLAGc7e828d99 [2023-08-25 03:56:02,479 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be85a471/5dcaa0f9e7194587a41a404d1b7ce6eb [2023-08-25 03:56:02,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 03:56:02,482 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 03:56:02,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:02,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 03:56:02,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 03:56:02,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:02,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572a974c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02, skipping insertion in model container [2023-08-25 03:56:02,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:02,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 03:56:02,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:02,845 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 03:56:02,875 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 03:56:02,876 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 03:56:02,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 03:56:02,933 INFO L206 MainTranslator]: Completed translation [2023-08-25 03:56:02,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02 WrapperNode [2023-08-25 03:56:02,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 03:56:02,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:02,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 03:56:02,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 03:56:02,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:02,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:02,999 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 92 [2023-08-25 03:56:03,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 03:56:03,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 03:56:03,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 03:56:03,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 03:56:03,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,016 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,016 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,033 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 03:56:03,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 03:56:03,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 03:56:03,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 03:56:03,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (1/1) ... [2023-08-25 03:56:03,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 03:56:03,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 03:56:03,068 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 03:56:03,088 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 03:56:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 03:56:03,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 03:56:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 03:56:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 03:56:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 03:56:03,105 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 03:56:03,105 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 03:56:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 03:56:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 03:56:03,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 03:56:03,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 03:56:03,107 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 03:56:03,223 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 03:56:03,225 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 03:56:03,374 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 03:56:03,380 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 03:56:03,380 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 03:56:03,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:03 BoogieIcfgContainer [2023-08-25 03:56:03,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 03:56:03,384 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 03:56:03,385 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 03:56:03,387 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 03:56:03,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:56:02" (1/3) ... [2023-08-25 03:56:03,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5740c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:03, skipping insertion in model container [2023-08-25 03:56:03,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:56:02" (2/3) ... [2023-08-25 03:56:03,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5740c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:56:03, skipping insertion in model container [2023-08-25 03:56:03,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:56:03" (3/3) ... [2023-08-25 03:56:03,390 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_true.i [2023-08-25 03:56:03,405 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 03:56:03,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-25 03:56:03,405 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 03:56:03,455 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-25 03:56:03,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 214 flow [2023-08-25 03:56:03,529 INFO L124 PetriNetUnfolderBase]: 4/102 cut-off events. [2023-08-25 03:56:03,530 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-25 03:56:03,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 4/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-25 03:56:03,539 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 103 transitions, 214 flow [2023-08-25 03:56:03,545 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 95 places, 95 transitions, 193 flow [2023-08-25 03:56:03,550 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 03:56:03,570 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 95 transitions, 193 flow [2023-08-25 03:56:03,572 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 95 transitions, 193 flow [2023-08-25 03:56:03,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 95 transitions, 193 flow [2023-08-25 03:56:03,604 INFO L124 PetriNetUnfolderBase]: 4/95 cut-off events. [2023-08-25 03:56:03,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:03,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99 conditions, 95 events. 4/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 62 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2023-08-25 03:56:03,606 INFO L119 LiptonReduction]: Number of co-enabled transitions 936 [2023-08-25 03:56:07,032 INFO L134 LiptonReduction]: Checked pairs total: 1462 [2023-08-25 03:56:07,032 INFO L136 LiptonReduction]: Total number of compositions: 118 [2023-08-25 03:56:07,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 03:56:07,050 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;@5dc082c2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 03:56:07,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-08-25 03:56:07,051 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 03:56:07,051 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-08-25 03:56:07,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:07,052 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:07,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-25 03:56:07,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-25 03:56:07,057 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:07,057 INFO L85 PathProgramCache]: Analyzing trace with hash 406, now seen corresponding path program 1 times [2023-08-25 03:56:07,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:07,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410963397] [2023-08-25 03:56:07,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:07,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:56:07,156 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 03:56:07,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:56:07,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410963397] [2023-08-25 03:56:07,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410963397] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:56:07,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:56:07,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-25 03:56:07,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178615631] [2023-08-25 03:56:07,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:56:07,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-25 03:56:07,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:56:07,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-25 03:56:07,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-25 03:56:07,197 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 221 [2023-08-25 03:56:07,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 17 transitions, 37 flow. Second operand has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 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 03:56:07,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:56:07,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 221 [2023-08-25 03:56:07,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:56:07,247 INFO L124 PetriNetUnfolderBase]: 14/39 cut-off events. [2023-08-25 03:56:07,247 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:07,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 39 events. 14/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 14 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 74. Up to 40 conditions per place. [2023-08-25 03:56:07,249 INFO L140 encePairwiseOnDemand]: 215/221 looper letters, 8 selfloop transitions, 0 changer transitions 3/11 dead transitions. [2023-08-25 03:56:07,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 11 transitions, 47 flow [2023-08-25 03:56:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-25 03:56:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-25 03:56:07,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 207 transitions. [2023-08-25 03:56:07,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4683257918552036 [2023-08-25 03:56:07,261 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 207 transitions. [2023-08-25 03:56:07,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 207 transitions. [2023-08-25 03:56:07,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:56:07,264 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 207 transitions. [2023-08-25 03:56:07,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 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 03:56:07,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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 03:56:07,271 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 221.0) internal successors, (663), 3 states have internal predecessors, (663), 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 03:56:07,272 INFO L175 Difference]: Start difference. First operand has 21 places, 17 transitions, 37 flow. Second operand 2 states and 207 transitions. [2023-08-25 03:56:07,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 11 transitions, 47 flow [2023-08-25 03:56:07,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 11 transitions, 46 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 03:56:07,276 INFO L231 Difference]: Finished difference. Result has 15 places, 8 transitions, 18 flow [2023-08-25 03:56:07,277 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=18, PETRI_PLACES=15, PETRI_TRANSITIONS=8} [2023-08-25 03:56:07,280 INFO L281 CegarLoopForPetriNet]: 21 programPoint places, -6 predicate places. [2023-08-25 03:56:07,280 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 8 transitions, 18 flow [2023-08-25 03:56:07,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 95.5) internal successors, (191), 2 states have internal predecessors, (191), 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 03:56:07,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 03:56:07,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 03:56:07,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 03:56:07,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-08-25 03:56:07,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 03:56:07,282 INFO L85 PathProgramCache]: Analyzing trace with hash -779933083, now seen corresponding path program 1 times [2023-08-25 03:56:07,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 03:56:07,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176697392] [2023-08-25 03:56:07,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 03:56:07,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 03:56:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 03:56:07,489 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 03:56:07,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 03:56:07,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176697392] [2023-08-25 03:56:07,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176697392] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 03:56:07,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 03:56:07,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 03:56:07,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184260937] [2023-08-25 03:56:07,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 03:56:07,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 03:56:07,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 03:56:07,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 03:56:07,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 03:56:07,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 221 [2023-08-25 03:56:07,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 8 transitions, 18 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 03:56:07,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 03:56:07,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 221 [2023-08-25 03:56:07,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 03:56:07,524 INFO L124 PetriNetUnfolderBase]: 6/19 cut-off events. [2023-08-25 03:56:07,524 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 03:56:07,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 6/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 24 event pairs, 4 based on Foata normal form. 3/22 useless extension candidates. Maximal degree in co-relation 40. Up to 15 conditions per place. [2023-08-25 03:56:07,525 INFO L140 encePairwiseOnDemand]: 219/221 looper letters, 0 selfloop transitions, 0 changer transitions 9/9 dead transitions. [2023-08-25 03:56:07,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 9 transitions, 38 flow [2023-08-25 03:56:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 03:56:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 03:56:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2023-08-25 03:56:07,531 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42232277526395173 [2023-08-25 03:56:07,532 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2023-08-25 03:56:07,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2023-08-25 03:56:07,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 03:56:07,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2023-08-25 03:56:07,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 03:56:07,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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 03:56:07,539 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 221.0) internal successors, (884), 4 states have internal predecessors, (884), 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 03:56:07,539 INFO L175 Difference]: Start difference. First operand has 15 places, 8 transitions, 18 flow. Second operand 3 states and 280 transitions. [2023-08-25 03:56:07,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 9 transitions, 38 flow [2023-08-25 03:56:07,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 9 transitions, 38 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-25 03:56:07,540 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-25 03:56:07,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=16, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=7, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=7, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-25 03:56:07,541 INFO L281 CegarLoopForPetriNet]: 21 programPoint places, -8 predicate places. [2023-08-25 03:56:07,541 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-25 03:56:07,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 03:56:07,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-08-25 03:56:07,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (10 of 12 remaining) [2023-08-25 03:56:07,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2023-08-25 03:56:07,545 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-08-25 03:56:07,546 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-08-25 03:56:07,547 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-08-25 03:56:07,550 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONASSERT (5 of 12 remaining) [2023-08-25 03:56:07,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-08-25 03:56:07,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-08-25 03:56:07,556 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-08-25 03:56:07,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONASSERT (1 of 12 remaining) [2023-08-25 03:56:07,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-08-25 03:56:07,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 03:56:07,559 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-25 03:56:07,563 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 03:56:07,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 03:56:07,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 03:56:07 BasicIcfg [2023-08-25 03:56:07,567 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 03:56:07,567 INFO L158 Benchmark]: Toolchain (without parser) took 5085.34ms. Allocated memory was 337.6MB in the beginning and 413.1MB in the end (delta: 75.5MB). Free memory was 312.8MB in the beginning and 271.5MB in the end (delta: 41.3MB). Peak memory consumption was 118.3MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,568 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 314.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 03:56:07,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.59ms. Allocated memory is still 337.6MB. Free memory was 312.8MB in the beginning and 293.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.56ms. Allocated memory is still 337.6MB. Free memory was 293.4MB in the beginning and 291.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,572 INFO L158 Benchmark]: Boogie Preprocessor took 34.35ms. Allocated memory is still 337.6MB. Free memory was 291.2MB in the beginning and 289.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,572 INFO L158 Benchmark]: RCFGBuilder took 346.82ms. Allocated memory is still 337.6MB. Free memory was 289.7MB in the beginning and 275.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,573 INFO L158 Benchmark]: TraceAbstraction took 4182.36ms. Allocated memory was 337.6MB in the beginning and 413.1MB in the end (delta: 75.5MB). Free memory was 274.6MB in the beginning and 271.5MB in the end (delta: 3.0MB). Peak memory consumption was 80.6MB. Max. memory is 16.0GB. [2023-08-25 03:56:07,582 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 337.6MB. Free memory is still 314.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 451.59ms. Allocated memory is still 337.6MB. Free memory was 312.8MB in the beginning and 293.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 64.56ms. Allocated memory is still 337.6MB. Free memory was 293.4MB in the beginning and 291.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 34.35ms. Allocated memory is still 337.6MB. Free memory was 291.2MB in the beginning and 289.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 346.82ms. Allocated memory is still 337.6MB. Free memory was 289.7MB in the beginning and 275.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 4182.36ms. Allocated memory was 337.6MB in the beginning and 413.1MB in the end (delta: 75.5MB). Free memory was 274.6MB in the beginning and 271.5MB in the end (delta: 3.0MB). Peak memory consumption was 80.6MB. 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: 3.5s, 95 PlacesBefore, 21 PlacesAfterwards, 95 TransitionsBefore, 17 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 8 FixpointIterations, 56 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 118 TotalNumberOfCompositions, 1462 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 811, independent: 667, independent conditional: 0, independent unconditional: 667, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 516, independent: 485, independent conditional: 0, independent unconditional: 485, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 811, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 113, dependent conditional: 0, dependent unconditional: 113, unknown: 516, unknown conditional: 0, unknown unconditional: 516] , Statistics on independence cache: Total cache size (in pairs): 12, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 12 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: 4.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 03:56:07,608 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...