./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.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-wmm/safe014_power.oepc.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 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-25 23:59:33,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-25 23:59:33,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-10-25 23:59:33,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-25 23:59:33,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-25 23:59:33,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-25 23:59:33,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-25 23:59:33,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-25 23:59:33,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-25 23:59:33,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-25 23:59:33,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-25 23:59:33,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-25 23:59:33,341 INFO L153 SettingsManager]: * Use SBE=true [2024-10-25 23:59:33,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-25 23:59:33,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-25 23:59:33,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-25 23:59:33,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-25 23:59:33,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-25 23:59:33,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-25 23:59:33,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-25 23:59:33,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-25 23:59:33,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-25 23:59:33,346 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-25 23:59:33,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-25 23:59:33,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-25 23:59:33,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-25 23:59:33,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-25 23:59:33,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-25 23:59:33,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-25 23:59:33,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-25 23:59:33,349 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-10-25 23:59:33,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-25 23:59:33,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 23:59:33,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-25 23:59:33,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-25 23:59:33,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-25 23:59:33,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-25 23:59:33,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-25 23:59:33,351 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-25 23:59:33,351 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-25 23:59:33,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-25 23:59:33,352 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-25 23:59:33,352 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-25 23:59:33,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff9a02e3a4860dd4559a47ff1369af4fea93a232a0eb144fdecc9bc5971fe5b [2024-10-25 23:59:33,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-25 23:59:33,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-25 23:59:33,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-25 23:59:33,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-25 23:59:33,608 INFO L274 PluginConnector]: CDTParser initialized [2024-10-25 23:59:33,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2024-10-25 23:59:34,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-25 23:59:35,155 INFO L384 CDTParser]: Found 1 translation units. [2024-10-25 23:59:35,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe014_power.oepc.i [2024-10-25 23:59:35,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c61775c8d/5e445a8e6488402ab4b5d412be5076b2/FLAGc4dc5a374 [2024-10-25 23:59:35,186 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c61775c8d/5e445a8e6488402ab4b5d412be5076b2 [2024-10-25 23:59:35,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-25 23:59:35,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-25 23:59:35,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-25 23:59:35,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-25 23:59:35,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-25 23:59:35,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8c85aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35, skipping insertion in model container [2024-10-25 23:59:35,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-25 23:59:35,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 23:59:35,672 INFO L200 MainTranslator]: Completed pre-run [2024-10-25 23:59:35,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-25 23:59:35,804 INFO L204 MainTranslator]: Completed translation [2024-10-25 23:59:35,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35 WrapperNode [2024-10-25 23:59:35,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-25 23:59:35,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-25 23:59:35,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-25 23:59:35,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-25 23:59:35,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,892 INFO L138 Inliner]: procedures = 175, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 312 [2024-10-25 23:59:35,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-25 23:59:35,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-25 23:59:35,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-25 23:59:35,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-25 23:59:35,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-25 23:59:35,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-25 23:59:35,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-25 23:59:35,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-25 23:59:35,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (1/1) ... [2024-10-25 23:59:35,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-25 23:59:36,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 23:59:36,021 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 23:59:36,029 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 23:59:36,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-25 23:59:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-25 23:59:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-25 23:59:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-25 23:59:36,064 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-25 23:59:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-25 23:59:36,065 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-25 23:59:36,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-25 23:59:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-25 23:59:36,066 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-25 23:59:36,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-25 23:59:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-25 23:59:36,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-25 23:59:36,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-25 23:59:36,069 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 23:59:36,243 INFO L238 CfgBuilder]: Building ICFG [2024-10-25 23:59:36,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-25 23:59:37,540 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-25 23:59:37,540 INFO L287 CfgBuilder]: Performing block encoding [2024-10-25 23:59:45,395 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-25 23:59:45,396 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-25 23:59:45,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:59:45 BoogieIcfgContainer [2024-10-25 23:59:45,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-25 23:59:45,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-25 23:59:45,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-25 23:59:45,402 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-25 23:59:45,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:59:35" (1/3) ... [2024-10-25 23:59:45,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b441d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:59:45, skipping insertion in model container [2024-10-25 23:59:45,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:59:35" (2/3) ... [2024-10-25 23:59:45,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b441d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:59:45, skipping insertion in model container [2024-10-25 23:59:45,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:59:45" (3/3) ... [2024-10-25 23:59:45,405 INFO L112 eAbstractionObserver]: Analyzing ICFG safe014_power.oepc.i [2024-10-25 23:59:45,423 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-25 23:59:45,424 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 233 error locations. [2024-10-25 23:59:45,424 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-25 23:59:45,798 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-25 23:59:45,855 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 23:59:45,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-25 23:59:45,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-25 23:59:45,858 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 23:59:45,859 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 23:59:45,903 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-25 23:59:45,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2024-10-25 23:59:45,925 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;@3e9146b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-25 23:59:45,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-10-25 23:59:59,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:00:00,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:00:46,193 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:00:46,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:00:46,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:00:50,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:00:51,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1144 treesize of output 1128 [2024-10-26 00:00:51,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1009 treesize of output 883 [2024-10-26 00:01:32,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:01:32,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:01:36,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:01:36,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:02:14,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:02:14,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:02:14,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:02:18,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:02:18,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:02:58,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:02:58,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:02:58,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:03:02,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:03:02,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:03:37,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:03:37,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:03:41,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:03:41,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:04:18,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:04:18,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:04:18,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2024-10-26 00:04:18,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 00:04:18,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1116056492, now seen corresponding path program 1 times [2024-10-26 00:04:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 00:04:18,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121288983] [2024-10-26 00:04:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 00:04:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 00:04:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 00:04:19,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 00:04:19,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 00:04:19,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121288983] [2024-10-26 00:04:19,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121288983] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 00:04:19,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 00:04:19,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 00:04:19,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275706450] [2024-10-26 00:04:19,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 00:04:19,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 00:04:19,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 00:04:19,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 00:04:19,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 00:04:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:04:19,063 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 00:04:19,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.0) internal successors, (78), 2 states have internal predecessors, (78), 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) [2024-10-26 00:04:19,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:04:20,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:04:21,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:04:25,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1144 treesize of output 1128 [2024-10-26 00:04:26,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1009 treesize of output 883 [2024-10-26 00:05:07,527 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:05:07,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:05:07,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:05:11,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:05:11,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:05:54,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:05:54,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:05:54,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:05:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:05:54,703 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2024-10-26 00:05:54,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2024-10-26 00:05:54,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2024-10-26 00:05:54,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2024-10-26 00:05:54,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2024-10-26 00:05:54,704 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2024-10-26 00:05:54,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2024-10-26 00:05:54,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2024-10-26 00:05:54,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2024-10-26 00:05:54,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2024-10-26 00:05:54,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2024-10-26 00:05:54,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2024-10-26 00:05:54,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2024-10-26 00:05:54,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2024-10-26 00:05:54,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2024-10-26 00:05:54,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2024-10-26 00:05:54,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2024-10-26 00:05:54,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2024-10-26 00:05:54,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err32ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2024-10-26 00:05:54,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-26 00:05:54,714 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-26 00:05:54,716 INFO L312 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 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 (1/4) [2024-10-26 00:05:54,728 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 00:05:54,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 00:05:54,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 00:05:54,733 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) [2024-10-26 00:05:54,734 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 [2024-10-26 00:05:54,740 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 00:05:54,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-10-26 00:05:54,744 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;@3e9146b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 00:05:54,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-26 00:06:05,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:06:06,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:06:50,056 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:06:50,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:06:50,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:06:53,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:06:54,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1144 treesize of output 1128 [2024-10-26 00:06:54,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1009 treesize of output 883 [2024-10-26 00:07:35,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:07:35,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:07:39,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:07:39,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:08:18,703 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:08:18,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:08:18,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:08:22,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:08:22,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:09:06,267 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:09:06,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:09:06,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:09:10,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:09:10,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:09:46,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:09:46,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:09:50,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:09:50,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:10:25,958 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:10:25,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:10:26,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE] === [2024-10-26 00:10:26,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 00:10:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2075981579, now seen corresponding path program 1 times [2024-10-26 00:10:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 00:10:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019128830] [2024-10-26 00:10:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 00:10:26,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 00:10:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 00:10:26,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 00:10:26,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 00:10:26,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019128830] [2024-10-26 00:10:26,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019128830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 00:10:26,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 00:10:26,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 00:10:26,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116110891] [2024-10-26 00:10:26,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 00:10:26,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 00:10:26,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 00:10:26,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 00:10:26,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 00:10:26,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:26,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 00:10:26,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2024-10-26 00:10:26,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:27,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:27,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2024-10-26 00:10:27,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2024-10-26 00:10:27,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2024-10-26 00:10:27,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2024-10-26 00:10:27,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-26 00:10:27,175 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-10-26 00:10:27,175 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (2/4) [2024-10-26 00:10:27,178 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 00:10:27,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 00:10:27,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 00:10:27,181 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) [2024-10-26 00:10:27,182 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 [2024-10-26 00:10:27,185 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 00:10:27,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-26 00:10:27,186 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;@3e9146b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 00:10:27,186 INFO L334 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2024-10-26 00:10:33,996 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-26 00:10:33,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 00:10:33,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1018860308, now seen corresponding path program 1 times [2024-10-26 00:10:33,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 00:10:33,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246436540] [2024-10-26 00:10:33,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 00:10:33,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 00:10:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 00:10:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 00:10:34,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 00:10:34,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246436540] [2024-10-26 00:10:34,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246436540] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 00:10:34,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 00:10:34,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-26 00:10:34,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827426731] [2024-10-26 00:10:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 00:10:34,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 00:10:34,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 00:10:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 00:10:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 00:10:34,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:34,088 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 00:10:34,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 75.0) internal successors, (75), 2 states have internal predecessors, (75), 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) [2024-10-26 00:10:34,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:34,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:34,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-26 00:10:34,112 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2024-10-26 00:10:34,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 00:10:34,113 INFO L85 PathProgramCache]: Analyzing trace with hash -127531687, now seen corresponding path program 1 times [2024-10-26 00:10:34,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 00:10:34,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145213561] [2024-10-26 00:10:34,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 00:10:34,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 00:10:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 00:10:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 00:10:34,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 00:10:34,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145213561] [2024-10-26 00:10:34,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145213561] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 00:10:34,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 00:10:34,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 00:10:34,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757675505] [2024-10-26 00:10:34,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 00:10:34,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 00:10:34,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 00:10:34,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 00:10:34,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 00:10:34,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:34,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 00:10:34,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 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) [2024-10-26 00:10:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:34,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 00:10:38,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:10:38,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:11:17,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:11:17,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:11:17,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:11:21,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:11:21,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:12:02,988 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:12:02,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:12:03,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:12:04,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:12:04,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 183 [2024-10-26 00:12:09,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:12:09,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 [2024-10-26 00:12:47,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-26 00:12:47,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 13 [2024-10-26 00:12:50,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1021 treesize of output 895 [2024-10-26 00:12:50,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 983 treesize of output 967 Killed by 15