./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/safe030_power.oepc_pso.oepc_rmo.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 bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 05:21:36,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 05:21:36,924 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-13 05:21:36,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 05:21:36,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 05:21:36,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 05:21:36,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 05:21:36,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 05:21:36,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 05:21:36,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 05:21:36,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 05:21:36,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 05:21:36,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 05:21:36,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 05:21:36,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 05:21:36,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 05:21:36,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 05:21:36,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 05:21:36,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 05:21:36,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 05:21:36,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 05:21:36,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 05:21:36,973 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 05:21:36,974 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 05:21:36,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 05:21:36,974 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 05:21:36,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 05:21:36,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 05:21:36,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 05:21:36,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 05:21:36,975 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-13 05:21:36,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 05:21:36,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 05:21:36,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 05:21:36,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 05:21:36,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 05:21:36,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 05:21:36,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 05:21:36,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 05:21:36,978 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 05:21:36,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 05:21:36,979 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 05:21:36,979 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 05:21:36,979 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 [2024-11-13 05:21:37,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 05:21:37,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 05:21:37,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 05:21:37,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 05:21:37,237 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 05:21:37,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-13 05:21:38,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 05:21:38,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 05:21:38,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-13 05:21:38,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62b58bc1e/3b5718e38caa42ab94adda8870990d03/FLAG141e0642c [2024-11-13 05:21:39,011 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/62b58bc1e/3b5718e38caa42ab94adda8870990d03 [2024-11-13 05:21:39,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 05:21:39,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 05:21:39,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 05:21:39,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 05:21:39,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 05:21:39,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b870ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39, skipping insertion in model container [2024-11-13 05:21:39,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 05:21:39,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 05:21:39,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 05:21:39,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 05:21:39,705 INFO L204 MainTranslator]: Completed translation [2024-11-13 05:21:39,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39 WrapperNode [2024-11-13 05:21:39,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 05:21:39,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 05:21:39,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 05:21:39,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 05:21:39,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,801 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 920 [2024-11-13 05:21:39,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 05:21:39,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 05:21:39,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 05:21:39,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 05:21:39,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,842 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 05:21:39,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 05:21:39,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 05:21:39,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 05:21:39,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (1/1) ... [2024-11-13 05:21:39,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 05:21:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 05:21:39,925 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) [2024-11-13 05:21:39,931 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 [2024-11-13 05:21:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 05:21:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 05:21:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 05:21:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 05:21:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 05:21:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 05:21:39,973 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 05:21:40,139 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 05:21:40,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 05:21:41,438 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 05:21:41,438 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 05:21:45,728 WARN L1754 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 05:21:45,790 WARN L1754 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 05:21:45,858 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 05:21:45,859 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 05:21:45,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:21:45 BoogieIcfgContainer [2024-11-13 05:21:45,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 05:21:45,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 05:21:45,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 05:21:45,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 05:21:45,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:21:39" (1/3) ... [2024-11-13 05:21:45,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37003774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:21:45, skipping insertion in model container [2024-11-13 05:21:45,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:21:39" (2/3) ... [2024-11-13 05:21:45,871 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37003774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:21:45, skipping insertion in model container [2024-11-13 05:21:45,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:21:45" (3/3) ... [2024-11-13 05:21:45,873 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-13 05:21:45,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 05:21:45,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 242 error locations. [2024-11-13 05:21:45,891 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 05:21:46,342 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 05:21:46,409 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:21:46,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 05:21:46,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 05:21:46,411 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) [2024-11-13 05:21:46,413 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 [2024-11-13 05:21:46,454 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 05:21:46,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2024-11-13 05:21:46,474 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;@6c703034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:21:46,475 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-13 05:23:24,925 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 05:23:24,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 05:23:24,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1379103267, now seen corresponding path program 1 times [2024-11-13 05:23:24,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 05:23:24,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421184320] [2024-11-13 05:23:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 05:23:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 05:23:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 05:23:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 05:23:25,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 05:23:25,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421184320] [2024-11-13 05:23:25,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421184320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 05:23:25,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 05:23:25,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 05:23:25,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577923284] [2024-11-13 05:23:25,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 05:23:25,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 05:23:25,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 05:23:25,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 05:23:25,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 05:23:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:23:25,212 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 05:23:25,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 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) [2024-11-13 05:23:25,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:26:38,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:26:38,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-13 05:26:38,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-13 05:26:38,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-13 05:26:38,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-13 05:26:38,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-13 05:26:38,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-13 05:26:38,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-13 05:26:38,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-13 05:26:38,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-13 05:26:38,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-13 05:26:38,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-13 05:26:38,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-13 05:26:38,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-13 05:26:38,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-13 05:26:38,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-13 05:26:38,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-13 05:26:38,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-13 05:26:38,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-13 05:26:38,242 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2024-11-13 05:26:38,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2024-11-13 05:26:38,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-13 05:26:38,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-13 05:26:38,243 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-13 05:26:38,244 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-13 05:26:38,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-13 05:26:38,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-13 05:26:38,246 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-13 05:26:38,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-13 05:26:38,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-13 05:26:38,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-13 05:26:38,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-13 05:26:38,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-13 05:26:38,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 05:26:38,256 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 05:26:38,261 INFO L317 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 (1/4) [2024-11-13 05:26:38,271 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:26:38,274 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 05:26:38,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-11-13 05:26:38,279 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;@6c703034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:26:38,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-13 05:27:34,036 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-13 05:27:34,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 05:27:34,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1713575398, now seen corresponding path program 1 times [2024-11-13 05:27:34,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 05:27:34,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78257867] [2024-11-13 05:27:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 05:27:34,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 05:27:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 05:27:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 05:27:34,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 05:27:34,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78257867] [2024-11-13 05:27:34,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78257867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 05:27:34,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 05:27:34,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 05:27:34,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557228637] [2024-11-13 05:27:34,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 05:27:34,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 05:27:34,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 05:27:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 05:27:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 05:27:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:27:34,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 05:27:34,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2024-11-13 05:27:34,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:46,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:46,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-13 05:30:46,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-13 05:30:46,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-13 05:30:46,705 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-13 05:30:46,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err5ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-13 05:30:46,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err6ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-13 05:30:46,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err8ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-13 05:30:46,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err7ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-13 05:30:46,706 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-13 05:30:46,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err9ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-13 05:30:46,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err10ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-13 05:30:46,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err11ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-13 05:30:46,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err12ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-13 05:30:46,707 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err13ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-13 05:30:46,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err14ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-13 05:30:46,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err15ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-13 05:30:46,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err16ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-13 05:30:46,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err17ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-13 05:30:46,708 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err18ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err19ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err20ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err21ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err22ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err23ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-13 05:30:46,709 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err24ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err25ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err26ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err27ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err28ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err29ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err30ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-13 05:30:46,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err31ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-13 05:30:46,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 05:30:46,714 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 05:30:46,715 INFO L317 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 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 (2/4) [2024-11-13 05:30:46,718 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:30:46,720 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 05:30:46,720 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 05:30:46,720 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;@6c703034, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 05:30:46,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2024-11-13 05:30:48,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-11-13 05:30:48,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 05:30:48,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1119602301, now seen corresponding path program 1 times [2024-11-13 05:30:48,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 05:30:48,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149294372] [2024-11-13 05:30:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 05:30:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 05:30:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 05:30:48,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 05:30:48,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 05:30:48,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149294372] [2024-11-13 05:30:48,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149294372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 05:30:48,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 05:30:48,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 05:30:48,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905075659] [2024-11-13 05:30:48,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 05:30:48,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 05:30:48,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 05:30:48,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 05:30:48,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 05:30:48,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:48,466 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 05:30:48,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 54.0) internal successors, (54), 2 states have internal predecessors, (54), 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) [2024-11-13 05:30:48,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:48,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:48,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 05:30:48,485 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2024-11-13 05:30:48,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 05:30:48,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2098734159, now seen corresponding path program 1 times [2024-11-13 05:30:48,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 05:30:48,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522187577] [2024-11-13 05:30:48,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 05:30:48,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 05:30:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 05:30:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 05:30:48,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 05:30:48,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522187577] [2024-11-13 05:30:48,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522187577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 05:30:48,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 05:30:48,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 05:30:48,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239164471] [2024-11-13 05:30:48,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 05:30:48,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 05:30:48,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 05:30:48,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 05:30:48,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 05:30:48,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:48,600 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 05:30:48,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-13 05:30:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 05:30:48,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15