./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9a849f68 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-25 21:11:48,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-25 21:11:48,159 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-10-25 21:11:48,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-25 21:11:48,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-25 21:11:48,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-25 21:11:48,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-25 21:11:48,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-25 21:11:48,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-25 21:11:48,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-25 21:11:48,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-25 21:11:48,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-25 21:11:48,194 INFO L153 SettingsManager]: * Use SBE=true [2024-10-25 21:11:48,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-25 21:11:48,196 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-25 21:11:48,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-25 21:11:48,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-25 21:11:48,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-25 21:11:48,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-25 21:11:48,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-25 21:11:48,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-25 21:11:48,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-25 21:11:48,200 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-25 21:11:48,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-25 21:11:48,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-25 21:11:48,200 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-25 21:11:48,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-25 21:11:48,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-25 21:11:48,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-25 21:11:48,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-25 21:11:48,201 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-10-25 21:11:48,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-25 21:11:48,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 21:11:48,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-25 21:11:48,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-25 21:11:48,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-25 21:11:48,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-25 21:11:48,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-25 21:11:48,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-25 21:11:48,203 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-25 21:11:48,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-25 21:11:48,205 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-25 21:11:48,205 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-25 21:11:48,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc2344d8bedffb786f66d288e651407abc416f1e22d065ca4595f05e214f2a3 [2024-10-25 21:11:48,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-25 21:11:48,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-25 21:11:48,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-25 21:11:48,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-25 21:11:48,498 INFO L274 PluginConnector]: CDTParser initialized [2024-10-25 21:11:48,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2024-10-25 21:11:49,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-25 21:11:50,071 INFO L384 CDTParser]: Found 1 translation units. [2024-10-25 21:11:50,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/43_NetBSD_sysmon_power_sliced.i [2024-10-25 21:11:50,090 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6dcfeb6f8/73685907ef7a4aebb87a410250a93ec3/FLAG9fdab079d [2024-10-25 21:11:50,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6dcfeb6f8/73685907ef7a4aebb87a410250a93ec3 [2024-10-25 21:11:50,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-25 21:11:50,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-25 21:11:50,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-25 21:11:50,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-25 21:11:50,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-25 21:11:50,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba8090e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50, skipping insertion in model container [2024-10-25 21:11:50,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-25 21:11:50,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 21:11:50,540 INFO L200 MainTranslator]: Completed pre-run [2024-10-25 21:11:50,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 21:11:50,638 INFO L204 MainTranslator]: Completed translation [2024-10-25 21:11:50,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50 WrapperNode [2024-10-25 21:11:50,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-25 21:11:50,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-25 21:11:50,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-25 21:11:50,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-25 21:11:50,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,700 INFO L138 Inliner]: procedures = 180, calls = 59, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 685 [2024-10-25 21:11:50,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-25 21:11:50,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-25 21:11:50,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-25 21:11:50,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-25 21:11:50,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-25 21:11:50,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-25 21:11:50,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-25 21:11:50,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-25 21:11:50,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (1/1) ... [2024-10-25 21:11:50,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 21:11:50,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 21:11:50,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-25 21:11:50,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-25 21:11:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-10-25 21:11:50,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-10-25 21:11:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-25 21:11:50,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-25 21:11:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-25 21:11:50,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-25 21:11:50,865 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-25 21:11:51,058 INFO L238 CfgBuilder]: Building ICFG [2024-10-25 21:11:51,060 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-25 21:11:51,779 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-25 21:11:51,779 INFO L287 CfgBuilder]: Performing block encoding [2024-10-25 21:11:52,139 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-25 21:11:52,139 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-25 21:11:52,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:11:52 BoogieIcfgContainer [2024-10-25 21:11:52,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-25 21:11:52,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-25 21:11:52,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-25 21:11:52,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-25 21:11:52,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:11:50" (1/3) ... [2024-10-25 21:11:52,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482bfc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:11:52, skipping insertion in model container [2024-10-25 21:11:52,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:11:50" (2/3) ... [2024-10-25 21:11:52,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482bfc39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:11:52, skipping insertion in model container [2024-10-25 21:11:52,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:11:52" (3/3) ... [2024-10-25 21:11:52,148 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_NetBSD_sysmon_power_sliced.i [2024-10-25 21:11:52,164 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-25 21:11:52,164 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-10-25 21:11:52,164 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-25 21:11:52,253 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-25 21:11:52,306 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:52,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 21:11:52,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 21:11:52,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 21:11:52,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-25 21:11:52,345 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 21:11:52,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-10-25 21:11:52,360 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a731a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:52,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-10-25 21:11:52,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-25 21:11:52,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:52,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2102665508, now seen corresponding path program 1 times [2024-10-25 21:11:52,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:52,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014892426] [2024-10-25 21:11:52,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:52,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 21:11:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 21:11:52,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 21:11:52,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014892426] [2024-10-25 21:11:52,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014892426] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 21:11:52,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 21:11:52,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-25 21:11:52,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816622689] [2024-10-25 21:11:52,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 21:11:52,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-25 21:11:52,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 21:11:52,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-25 21:11:52,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-25 21:11:53,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,004 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 21:11:53,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 29.0) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-10-25 21:11:53,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-25 21:11:53,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-25 21:11:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2027000623, now seen corresponding path program 1 times [2024-10-25 21:11:53,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:53,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887731246] [2024-10-25 21:11:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 21:11:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 21:11:53,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 21:11:53,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887731246] [2024-10-25 21:11:53,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887731246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 21:11:53,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 21:11:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 21:11:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240665834] [2024-10-25 21:11:53,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 21:11:53,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 21:11:53,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 21:11:53,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 21:11:53,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 21:11:53,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,143 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 21:11:53,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-10-25 21:11:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:53,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-25 21:11:53,406 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err14ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-25 21:11:53,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1936816485, now seen corresponding path program 1 times [2024-10-25 21:11:53,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:53,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466665494] [2024-10-25 21:11:53,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:53,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 21:11:53,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 21:11:53,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 21:11:53,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466665494] [2024-10-25 21:11:53,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466665494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 21:11:53,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 21:11:53,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 21:11:53,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801974013] [2024-10-25 21:11:53,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 21:11:53,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 21:11:53,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 21:11:53,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 21:11:53,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 21:11:53,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,532 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 21:11:53,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 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) [2024-10-25 21:11:53,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:53,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:53,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-25 21:11:54,113 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err33ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-25 21:11:54,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:54,114 INFO L85 PathProgramCache]: Analyzing trace with hash 715541977, now seen corresponding path program 1 times [2024-10-25 21:11:54,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:54,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426232375] [2024-10-25 21:11:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 21:11:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 21:11:54,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 21:11:54,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426232375] [2024-10-25 21:11:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426232375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 21:11:54,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 21:11:54,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 21:11:54,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440805020] [2024-10-25 21:11:54,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 21:11:54,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 21:11:54,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 21:11:54,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 21:11:54,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 21:11:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,187 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 21:11:54,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2024-10-25 21:11:54,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-25 21:11:54,615 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err38ASSERT_VIOLATIONDATA_RACE === [thr1Err17ASSERT_VIOLATIONDATA_RACE, thr1Err18ASSERT_VIOLATIONDATA_RACE, thr1Err23ASSERT_VIOLATIONDATA_RACE, thr1Err24ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2024-10-25 21:11:54,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash -7333930, now seen corresponding path program 1 times [2024-10-25 21:11:54,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:54,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713665252] [2024-10-25 21:11:54,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-25 21:11:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-25 21:11:54,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-25 21:11:54,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713665252] [2024-10-25 21:11:54,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713665252] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-25 21:11:54,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-25 21:11:54,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-25 21:11:54,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010180486] [2024-10-25 21:11:54,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-25 21:11:54,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-25 21:11:54,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-25 21:11:54,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-25 21:11:54,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-25 21:11:54,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-25 21:11:54,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 33.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2024-10-25 21:11:54,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:54,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:54,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:55,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-25 21:11:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:55,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-25 21:11:55,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err17ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2024-10-25 21:11:55,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err18ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-10-25 21:11:55,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err23ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err24ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err19ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err25ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-10-25 21:11:55,151 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err26ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err47ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err48ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err21ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err22ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err27ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-10-25 21:11:55,152 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err28ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err29ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err30ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err20ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err49ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err52ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err53ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err31ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-10-25 21:11:55,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err42ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-10-25 21:11:55,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err43ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-10-25 21:11:55,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err50ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-10-25 21:11:55,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err51ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-10-25 21:11:55,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err54ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-10-25 21:11:55,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err57ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-10-25 21:11:55,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err58ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-10-25 21:11:55,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-10-25 21:11:55,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err44ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-10-25 21:11:55,156 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err40ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-10-25 21:11:55,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err41ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-10-25 21:11:55,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err55ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-10-25 21:11:55,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err56ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-10-25 21:11:55,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err59ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2024-10-25 21:11:55,157 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2024-10-25 21:11:55,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err45ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-10-25 21:11:55,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err46ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-10-25 21:11:55,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-10-25 21:11:55,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-10-25 21:11:55,158 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err32ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-10-25 21:11:55,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err60ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-10-25 21:11:55,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err61ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-10-25 21:11:55,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-10-25 21:11:55,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-10-25 21:11:55,159 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err62ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-10-25 21:11:55,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err63ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-10-25 21:11:55,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-10-25 21:11:55,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-10-25 21:11:55,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err64ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-10-25 21:11:55,160 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-10-25 21:11:55,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err65ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-10-25 21:11:55,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err66ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-10-25 21:11:55,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err67ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-10-25 21:11:55,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err68ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-10-25 21:11:55,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err69ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err70ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err71ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err72ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err73ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err33ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-10-25 21:11:55,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err34ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err35ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err36ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err37ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-10-25 21:11:55,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err38ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-10-25 21:11:55,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-10-25 21:11:55,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-10-25 21:11:55,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err16ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-10-25 21:11:55,164 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thr1Err39ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-10-25 21:11:55,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-25 21:11:55,175 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-25 21:11:55,177 INFO L312 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2024-10-25 21:11:55,189 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 21:11:55,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 21:11:55,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 21:11:55,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-10-25 21:11:55,211 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 21:11:55,211 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 21:11:55,212 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a731a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-25 21:11:55,314 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 21:11:55,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash -381707161, now seen corresponding path program 1 times [2024-10-25 21:11:55,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:55,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308003501] [2024-10-25 21:11:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:55,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 21:11:55,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-25 21:11:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 21:11:55,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-25 21:11:55,352 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-25 21:11:55,352 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-25 21:11:55,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-25 21:11:55,355 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-25 21:11:55,356 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/2) [2024-10-25 21:11:55,359 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-25 21:11:55,359 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-25 21:11:55,423 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-25 21:11:55,430 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 21:11:55,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 21:11:55,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 21:11:55,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-10-25 21:11:55,436 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 21:11:55,437 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-25 21:11:55,438 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a731a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-25 21:11:55,649 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-10-25 21:11:55,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-25 21:11:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1100712413, now seen corresponding path program 1 times [2024-10-25 21:11:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-25 21:11:55,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122997386] [2024-10-25 21:11:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-25 21:11:55,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-25 21:11:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 21:11:55,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-25 21:11:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-25 21:11:55,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-25 21:11:55,664 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-25 21:11:55,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2024-10-25 21:11:55,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-25 21:11:55,666 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-25 21:11:55,666 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/3) [2024-10-25 21:11:55,666 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-25 21:11:55,666 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-25 21:11:55,739 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-25 21:11:55,748 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 21:11:55,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 21:11:55,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-25 21:11:55,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-25 21:11:55,758 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 21:11:55,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread3of3ForFork0 ======== [2024-10-25 21:11:55,758 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4a731a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 21:11:55,758 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations.