./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_42-trylock2_racefree.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/goblint-regression/28-race_reach_42-trylock2_racefree.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 844ba080c7d33529db727776ee230d62edb7b62a6350a8061572438c458d73d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-9a849f6-m [2024-10-26 02:59:03,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-26 02:59:03,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-10-26 02:59:03,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-26 02:59:03,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-26 02:59:03,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-26 02:59:03,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-26 02:59:03,906 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-26 02:59:03,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-26 02:59:03,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-26 02:59:03,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-26 02:59:03,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-26 02:59:03,909 INFO L153 SettingsManager]: * Use SBE=true [2024-10-26 02:59:03,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-26 02:59:03,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-26 02:59:03,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-26 02:59:03,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-26 02:59:03,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-26 02:59:03,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-26 02:59:03,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-26 02:59:03,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-26 02:59:03,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-26 02:59:03,917 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-26 02:59:03,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-26 02:59:03,918 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-26 02:59:03,918 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-26 02:59:03,918 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-26 02:59:03,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-26 02:59:03,919 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-26 02:59:03,919 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-26 02:59:03,919 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-10-26 02:59:03,919 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-26 02:59:03,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 02:59:03,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-26 02:59:03,920 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-26 02:59:03,920 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-26 02:59:03,920 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-26 02:59:03,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-26 02:59:03,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-26 02:59:03,921 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-10-26 02:59:03,923 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-26 02:59:03,923 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-26 02:59:03,923 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-26 02:59:03,924 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 844ba080c7d33529db727776ee230d62edb7b62a6350a8061572438c458d73d3 [2024-10-26 02:59:04,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-26 02:59:04,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-26 02:59:04,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-26 02:59:04,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-26 02:59:04,213 INFO L274 PluginConnector]: CDTParser initialized [2024-10-26 02:59:04,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_42-trylock2_racefree.i [2024-10-26 02:59:05,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-26 02:59:05,963 INFO L384 CDTParser]: Found 1 translation units. [2024-10-26 02:59:05,964 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_42-trylock2_racefree.i [2024-10-26 02:59:05,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b07eee878/d013466a5bc644738cd304879b7881fe/FLAG57b32c643 [2024-10-26 02:59:06,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b07eee878/d013466a5bc644738cd304879b7881fe [2024-10-26 02:59:06,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-26 02:59:06,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-26 02:59:06,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-26 02:59:06,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-26 02:59:06,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-26 02:59:06,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d44af9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06, skipping insertion in model container [2024-10-26 02:59:06,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-26 02:59:06,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 02:59:06,476 INFO L200 MainTranslator]: Completed pre-run [2024-10-26 02:59:06,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-26 02:59:06,581 INFO L204 MainTranslator]: Completed translation [2024-10-26 02:59:06,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06 WrapperNode [2024-10-26 02:59:06,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-26 02:59:06,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-26 02:59:06,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-26 02:59:06,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-26 02:59:06,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,634 INFO L138 Inliner]: procedures = 172, calls = 61, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 176 [2024-10-26 02:59:06,635 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-26 02:59:06,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-26 02:59:06,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-26 02:59:06,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-26 02:59:06,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,719 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-26 02:59:06,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-26 02:59:06,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-26 02:59:06,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-26 02:59:06,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (1/1) ... [2024-10-26 02:59:06,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-26 02:59:06,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:06,764 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) [2024-10-26 02:59:06,768 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 [2024-10-26 02:59:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-26 02:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-26 02:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-26 02:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-26 02:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-26 02:59:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-26 02:59:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-26 02:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-26 02:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2024-10-26 02:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-26 02:59:06,824 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-26 02:59:06,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-26 02:59:06,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-26 02:59:06,828 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-26 02:59:06,980 INFO L238 CfgBuilder]: Building ICFG [2024-10-26 02:59:06,982 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-26 02:59:07,405 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-26 02:59:07,405 INFO L287 CfgBuilder]: Performing block encoding [2024-10-26 02:59:07,485 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-26 02:59:07,487 INFO L314 CfgBuilder]: Removed 23 assume(true) statements. [2024-10-26 02:59:07,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 02:59:07 BoogieIcfgContainer [2024-10-26 02:59:07,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-26 02:59:07,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-26 02:59:07,491 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-26 02:59:07,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-26 02:59:07,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 02:59:06" (1/3) ... [2024-10-26 02:59:07,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38752330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 02:59:07, skipping insertion in model container [2024-10-26 02:59:07,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 02:59:06" (2/3) ... [2024-10-26 02:59:07,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38752330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 02:59:07, skipping insertion in model container [2024-10-26 02:59:07,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 02:59:07" (3/3) ... [2024-10-26 02:59:07,498 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_42-trylock2_racefree.i [2024-10-26 02:59:07,517 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-26 02:59:07,517 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2024-10-26 02:59:07,518 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-26 02:59:07,589 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-26 02:59:07,651 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:07,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:07,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:07,654 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) [2024-10-26 02:59:07,656 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 [2024-10-26 02:59:07,700 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:07,712 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-10-26 02:59:07,719 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:07,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-26 02:59:08,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:08,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 447784713, now seen corresponding path program 1 times [2024-10-26 02:59:08,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:08,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025396658] [2024-10-26 02:59:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:08,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:08,424 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 02:59:08,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025396658] [2024-10-26 02:59:08,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025396658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:08,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:08,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:08,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537493927] [2024-10-26 02:59:08,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:08,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 02:59:08,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:08,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 02:59:08,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 02:59:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,465 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:08,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 02:59:08,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-26 02:59:08,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:08,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1690112521, now seen corresponding path program 1 times [2024-10-26 02:59:08,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:08,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587481134] [2024-10-26 02:59:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:08,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:08,668 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 02:59:08,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:08,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587481134] [2024-10-26 02:59:08,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587481134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:08,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:08,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:08,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873653843] [2024-10-26 02:59:08,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:08,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:08,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:08,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:08,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,674 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:08,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 02:59:08,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:08,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-26 02:59:08,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:08,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:08,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1606535005, now seen corresponding path program 1 times [2024-10-26 02:59:08,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:08,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102365858] [2024-10-26 02:59:08,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:08,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:08,902 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 02:59:08,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:08,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102365858] [2024-10-26 02:59:08,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102365858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:08,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:08,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:08,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876495388] [2024-10-26 02:59:08,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:08,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:08,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:08,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:08,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,909 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:08,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 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) [2024-10-26 02:59:08,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:08,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:08,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-26 02:59:09,112 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:09,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:09,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1840387484, now seen corresponding path program 1 times [2024-10-26 02:59:09,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:09,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278244581] [2024-10-26 02:59:09,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:09,201 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 02:59:09,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:09,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278244581] [2024-10-26 02:59:09,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278244581] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:09,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:09,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:09,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20413829] [2024-10-26 02:59:09,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:09,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:09,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:09,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:09,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,205 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:09,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 02:59:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-26 02:59:09,372 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:09,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:09,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1972078428, now seen corresponding path program 1 times [2024-10-26 02:59:09,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:09,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437729579] [2024-10-26 02:59:09,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:09,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:09,523 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 02:59:09,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:09,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437729579] [2024-10-26 02:59:09,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437729579] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:09,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:09,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:09,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995511770] [2024-10-26 02:59:09,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:09,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:09,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:09,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:09,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:09,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,530 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:09,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 02:59:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-26 02:59:09,686 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:09,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:09,689 INFO L85 PathProgramCache]: Analyzing trace with hash -322661944, now seen corresponding path program 1 times [2024-10-26 02:59:09,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:09,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224817587] [2024-10-26 02:59:09,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:09,777 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 02:59:09,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:09,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224817587] [2024-10-26 02:59:09,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224817587] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:09,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:09,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:09,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958269100] [2024-10-26 02:59:09,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:09,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:09,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:09,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:09,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,783 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:09,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 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 02:59:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:09,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-26 02:59:09,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:09,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:09,952 INFO L85 PathProgramCache]: Analyzing trace with hash -438355763, now seen corresponding path program 1 times [2024-10-26 02:59:09,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:09,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429070534] [2024-10-26 02:59:09,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:09,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:10,044 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 02:59:10,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:10,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429070534] [2024-10-26 02:59:10,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429070534] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:10,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:10,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:10,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217153277] [2024-10-26 02:59:10,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:10,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:10,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:10,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:10,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:10,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-26 02:59:10,334 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:10,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:10,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1731498004, now seen corresponding path program 1 times [2024-10-26 02:59:10,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:10,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619343694] [2024-10-26 02:59:10,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:10,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:10,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619343694] [2024-10-26 02:59:10,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619343694] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 02:59:10,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017626631] [2024-10-26 02:59:10,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:10,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 02:59:10,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:10,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 02:59:10,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-26 02:59:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:10,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-26 02:59:10,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 02:59:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:10,822 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 02:59:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:10,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017626631] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 02:59:10,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 02:59:10,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-26 02:59:10,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359646027] [2024-10-26 02:59:10,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 02:59:10,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-26 02:59:10,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:10,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-26 02:59:10,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-26 02:59:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,962 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:10,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.4) internal successors, (294), 10 states have internal predecessors, (294), 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 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:10,963 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:11,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:11,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:11,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-10-26 02:59:11,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-10-26 02:59:11,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-10-26 02:59:11,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-10-26 02:59:11,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-10-26 02:59:11,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-10-26 02:59:11,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-10-26 02:59:11,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-10-26 02:59:11,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-26 02:59:11,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-26 02:59:11,434 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-26 02:59:11,436 INFO L312 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/2) [2024-10-26 02:59:11,446 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:11,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:11,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:11,448 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 02:59:11,449 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 02:59:11,452 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:11,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-26 02:59:11,453 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:11,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-26 02:59:11,476 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:11,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:11,477 INFO L85 PathProgramCache]: Analyzing trace with hash 853146814, now seen corresponding path program 1 times [2024-10-26 02:59:11,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:11,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247966874] [2024-10-26 02:59:11,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:11,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:11,783 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 02:59:11,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:11,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247966874] [2024-10-26 02:59:11,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247966874] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:11,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:11,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-26 02:59:11,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945068831] [2024-10-26 02:59:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:11,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-26 02:59:11,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:11,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-26 02:59:11,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-26 02:59:11,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:11,789 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:11,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 02:59:11,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:11,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-26 02:59:11,939 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:11,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:11,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1881481615, now seen corresponding path program 1 times [2024-10-26 02:59:11,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:11,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365771833] [2024-10-26 02:59:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:11,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:11,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-26 02:59:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:12,009 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-26 02:59:12,009 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-26 02:59:12,010 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-10-26 02:59:12,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-26 02:59:12,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-10-26 02:59:12,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-26 02:59:12,010 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-26 02:59:12,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-26 02:59:12,011 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-26 02:59:12,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-26 02:59:12,015 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-26 02:59:12,016 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2024-10-26 02:59:12,017 WARN L239 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-26 02:59:12,017 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-10-26 02:59:12,053 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-26 02:59:12,057 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:12,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:12,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:12,061 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-26 02:59:12,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-10-26 02:59:12,065 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:12,065 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of2ForFork0 ======== [2024-10-26 02:59:12,066 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:12,066 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-26 02:59:12,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:12,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash 794860132, now seen corresponding path program 1 times [2024-10-26 02:59:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:12,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739278283] [2024-10-26 02:59:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:12,390 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 02:59:12,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:12,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739278283] [2024-10-26 02:59:12,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739278283] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:12,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:12,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:12,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685291633] [2024-10-26 02:59:12,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:12,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 02:59:12,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:12,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 02:59:12,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 02:59:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,395 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:12,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 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 02:59:12,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-26 02:59:12,421 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:12,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:12,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1435564078, now seen corresponding path program 1 times [2024-10-26 02:59:12,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:12,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750568970] [2024-10-26 02:59:12,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:12,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:12,466 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 02:59:12,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:12,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750568970] [2024-10-26 02:59:12,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750568970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:12,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:12,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:12,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721067731] [2024-10-26 02:59:12,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:12,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:12,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:12,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:12,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,468 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:12,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 02:59:12,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-26 02:59:12,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:12,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:12,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1063541628, now seen corresponding path program 1 times [2024-10-26 02:59:12,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:12,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967817396] [2024-10-26 02:59:12,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:12,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:12,613 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 02:59:12,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:12,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967817396] [2024-10-26 02:59:12,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967817396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:12,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:12,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:12,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693622713] [2024-10-26 02:59:12,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:12,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:12,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:12,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:12,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:12,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:12,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.5) internal successors, (57), 3 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) [2024-10-26 02:59:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-26 02:59:12,743 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:12,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:12,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1172741691, now seen corresponding path program 1 times [2024-10-26 02:59:12,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:12,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027047076] [2024-10-26 02:59:12,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:12,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:12,782 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 02:59:12,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027047076] [2024-10-26 02:59:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027047076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702977221] [2024-10-26 02:59:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:12,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:12,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:12,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,786 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:12,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.5) internal successors, (71), 3 states have internal predecessors, (71), 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 02:59:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-26 02:59:12,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:12,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1015513855, now seen corresponding path program 1 times [2024-10-26 02:59:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442993590] [2024-10-26 02:59:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:12,931 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 02:59:12,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:12,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442993590] [2024-10-26 02:59:12,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442993590] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:12,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:12,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:12,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055293051] [2024-10-26 02:59:12,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:12,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:12,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:12,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:12,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:12,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,934 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:12,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 02:59:12,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:12,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:12,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-26 02:59:13,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:13,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1858241895, now seen corresponding path program 1 times [2024-10-26 02:59:13,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:13,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531997998] [2024-10-26 02:59:13,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:13,068 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 02:59:13,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:13,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531997998] [2024-10-26 02:59:13,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531997998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:13,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:13,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:13,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899369455] [2024-10-26 02:59:13,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:13,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:13,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:13,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:13,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:13,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,071 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:13,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 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 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-26 02:59:13,223 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:13,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash -11403028, now seen corresponding path program 1 times [2024-10-26 02:59:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141550888] [2024-10-26 02:59:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:13,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:13,305 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 02:59:13,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:13,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141550888] [2024-10-26 02:59:13,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141550888] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:13,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:13,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 02:59:13,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336676822] [2024-10-26 02:59:13,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:13,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 02:59:13,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:13,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 02:59:13,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 02:59:13,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:13,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 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 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:13,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-26 02:59:13,819 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:13,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:13,819 INFO L85 PathProgramCache]: Analyzing trace with hash 329354323, now seen corresponding path program 1 times [2024-10-26 02:59:13,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:13,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992360792] [2024-10-26 02:59:13,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:13,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-10-26 02:59:14,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:14,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992360792] [2024-10-26 02:59:14,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992360792] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:14,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:14,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-26 02:59:14,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132842257] [2024-10-26 02:59:14,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:14,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-26 02:59:14,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:14,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-26 02:59:14,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-26 02:59:14,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,475 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:14,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.833333333333332) internal successors, (155), 6 states have internal predecessors, (155), 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 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:14,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-26 02:59:14,606 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:14,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:14,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1364497890, now seen corresponding path program 1 times [2024-10-26 02:59:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:14,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855241817] [2024-10-26 02:59:14,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-26 02:59:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:14,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855241817] [2024-10-26 02:59:14,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855241817] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:14,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:14,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-26 02:59:14,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509520456] [2024-10-26 02:59:14,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:14,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-26 02:59:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:14,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-26 02:59:14,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-26 02:59:14,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,904 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:14,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 5 states have internal predecessors, (161), 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 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:14,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 02:59:19,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-26 02:59:19,653 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:19,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2020615501, now seen corresponding path program 1 times [2024-10-26 02:59:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:19,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301445701] [2024-10-26 02:59:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:19,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:19,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301445701] [2024-10-26 02:59:19,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301445701] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-26 02:59:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497921021] [2024-10-26 02:59:19,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:19,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 02:59:19,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:19,877 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-26 02:59:19,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-26 02:59:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:20,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-26 02:59:20,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-26 02:59:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:20,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-26 02:59:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-26 02:59:20,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497921021] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-26 02:59:20,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-26 02:59:20,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-26 02:59:20,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013052349] [2024-10-26 02:59:20,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-26 02:59:20,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-26 02:59:20,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:20,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-26 02:59:20,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-10-26 02:59:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:20,394 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:20,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 27.285714285714285) internal successors, (382), 14 states have internal predecessors, (382), 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 02:59:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-26 02:59:20,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:24,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-26 02:59:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2024-10-26 02:59:24,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2024-10-26 02:59:24,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2024-10-26 02:59:24,662 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2024-10-26 02:59:24,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-26 02:59:24,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-26 02:59:24,877 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-26 02:59:24,877 INFO L312 ceAbstractionStarter]: Result for error location t_funThread1of2ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2024-10-26 02:59:24,880 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:24,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:24,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:24,882 INFO L229 MonitoredProcess]: Starting monitored process 7 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 02:59:24,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-10-26 02:59:24,888 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:24,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-26 02:59:24,889 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:24,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-26 02:59:24,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:24,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1429976088, now seen corresponding path program 1 times [2024-10-26 02:59:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:24,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616844808] [2024-10-26 02:59:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:24,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:25,094 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 02:59:25,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:25,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616844808] [2024-10-26 02:59:25,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616844808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:25,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:25,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-26 02:59:25,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846878935] [2024-10-26 02:59:25,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:25,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-26 02:59:25,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:25,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-26 02:59:25,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-26 02:59:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:25,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:25,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 02:59:25,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:25,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:25,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-26 02:59:25,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:25,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:25,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1949539868, now seen corresponding path program 1 times [2024-10-26 02:59:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:25,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376289532] [2024-10-26 02:59:25,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:25,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-26 02:59:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:25,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-26 02:59:25,231 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-26 02:59:25,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-26 02:59:25,233 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-26 02:59:25,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-26 02:59:25,234 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-26 02:59:25,235 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-10-26 02:59:25,235 WARN L239 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-26 02:59:25,235 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-10-26 02:59:25,270 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-26 02:59:25,276 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:25,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:25,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:25,279 INFO L229 MonitoredProcess]: Starting monitored process 8 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 02:59:25,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-10-26 02:59:25,283 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:25,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-26 02:59:25,284 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:25,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-26 02:59:25,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:25,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1699587110, now seen corresponding path program 1 times [2024-10-26 02:59:25,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:25,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417744984] [2024-10-26 02:59:25,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 02:59:25,617 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 02:59:25,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 02:59:25,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417744984] [2024-10-26 02:59:25,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417744984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 02:59:25,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 02:59:25,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-26 02:59:25,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061704655] [2024-10-26 02:59:25,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 02:59:25,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-26 02:59:25,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 02:59:25,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-26 02:59:25,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-26 02:59:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:25,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 02:59:25,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 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 02:59:25,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 02:59:25,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 02:59:25,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-26 02:59:25,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 02:59:25,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 02:59:25,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1677586224, now seen corresponding path program 1 times [2024-10-26 02:59:25,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 02:59:25,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006628454] [2024-10-26 02:59:25,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 02:59:25,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 02:59:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:25,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-26 02:59:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-26 02:59:25,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-26 02:59:25,828 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-26 02:59:25,828 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-26 02:59:25,829 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-26 02:59:25,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-26 02:59:25,832 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-26 02:59:25,832 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/4) [2024-10-26 02:59:25,832 WARN L239 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-10-26 02:59:25,832 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-10-26 02:59:25,879 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-26 02:59:25,885 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:25,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-26 02:59:25,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-26 02:59:25,887 INFO L229 MonitoredProcess]: Starting monitored process 9 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 02:59:25,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-10-26 02:59:25,892 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-26 02:59:25,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread4of4ForFork0 ======== [2024-10-26 02:59:25,892 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;@219a00ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-26 02:59:25,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-26 03:00:31,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:31,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:31,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1869330724, now seen corresponding path program 1 times [2024-10-26 03:00:31,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:31,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732125968] [2024-10-26 03:00:31,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:32,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:32,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732125968] [2024-10-26 03:00:32,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732125968] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:32,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:32,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:32,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848828108] [2024-10-26 03:00:32,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:32,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-26 03:00:32,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:32,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-26 03:00:32,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-26 03:00:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,032 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:32,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 03:00:32,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-26 03:00:32,079 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:32,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:32,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1560986486, now seen corresponding path program 1 times [2024-10-26 03:00:32,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:32,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671215388] [2024-10-26 03:00:32,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:32,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:32,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:32,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671215388] [2024-10-26 03:00:32,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671215388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:32,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:32,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:32,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844531440] [2024-10-26 03:00:32,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:32,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:32,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:32,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:32,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:32,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:32,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 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 03:00:32,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-26 03:00:32,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:32,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:32,265 INFO L85 PathProgramCache]: Analyzing trace with hash 561957918, now seen corresponding path program 1 times [2024-10-26 03:00:32,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:32,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395375375] [2024-10-26 03:00:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:32,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:32,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:32,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395375375] [2024-10-26 03:00:32,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395375375] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:32,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:32,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:32,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789377287] [2024-10-26 03:00:32,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:32,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:32,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:32,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:32,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:32,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,313 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:32,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 03:00:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-26 03:00:32,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:32,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash -501482979, now seen corresponding path program 1 times [2024-10-26 03:00:32,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:32,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066656324] [2024-10-26 03:00:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:32,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066656324] [2024-10-26 03:00:32,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066656324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:32,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:32,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:32,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792607928] [2024-10-26 03:00:32,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:32,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:32,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:32,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:32,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,577 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:32,577 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 03:00:32,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-26 03:00:32,756 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr4ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:32,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:32,756 INFO L85 PathProgramCache]: Analyzing trace with hash 13031671, now seen corresponding path program 1 times [2024-10-26 03:00:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:32,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426110378] [2024-10-26 03:00:32,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:32,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:32,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:32,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426110378] [2024-10-26 03:00:32,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426110378] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:32,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:32,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:32,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202339576] [2024-10-26 03:00:32,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:32,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:32,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:32,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:32,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,807 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:32,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 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 03:00:32,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:32,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-26 03:00:32,968 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:32,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:32,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1377395511, now seen corresponding path program 1 times [2024-10-26 03:00:32,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:32,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038631675] [2024-10-26 03:00:32,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:32,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:33,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:33,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038631675] [2024-10-26 03:00:33,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038631675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:33,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:33,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:33,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187287281] [2024-10-26 03:00:33,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:33,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:33,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:33,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:33,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:33,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,013 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:33,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.5) internal successors, (97), 3 states have internal predecessors, (97), 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 03:00:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-26 03:00:33,257 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:00:33,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:00:33,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1606012018, now seen corresponding path program 1 times [2024-10-26 03:00:33,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:00:33,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934012466] [2024-10-26 03:00:33,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:00:33,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:00:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:00:33,306 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:00:33,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:00:33,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934012466] [2024-10-26 03:00:33,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934012466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:00:33,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:00:33,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-26 03:00:33,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730449271] [2024-10-26 03:00:33,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:00:33,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:00:33,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:00:33,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:00:33,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:00:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,309 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:00:33,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 55.5) internal successors, (111), 3 states have internal predecessors, (111), 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 03:00:33,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:00:33,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:00:33,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:01:28,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-26 03:01:28,212 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:01:28,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:01:28,213 INFO L85 PathProgramCache]: Analyzing trace with hash -483278941, now seen corresponding path program 1 times [2024-10-26 03:01:28,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:01:28,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042267675] [2024-10-26 03:01:28,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:01:28,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:01:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:01:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-26 03:01:28,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:01:28,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042267675] [2024-10-26 03:01:28,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042267675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:01:28,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:01:28,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 03:01:28,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296078299] [2024-10-26 03:01:28,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:01:28,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:01:28,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:01:28,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:01:28,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:01:28,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:01:28,281 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:01:28,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 03:01:28,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:01:28,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:01:28,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-26 03:02:22,268 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:02:22,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:02:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash 771783268, now seen corresponding path program 1 times [2024-10-26 03:02:22,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:02:22,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959627829] [2024-10-26 03:02:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:02:22,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:02:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:02:22,338 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-26 03:02:22,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:02:22,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959627829] [2024-10-26 03:02:22,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959627829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:02:22,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:02:22,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-26 03:02:22,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042206593] [2024-10-26 03:02:22,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:02:22,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-26 03:02:22,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:02:22,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-26 03:02:22,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-26 03:02:22,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:02:22,341 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:02:22,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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 03:02:22,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:02:22,341 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:02:22,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:18,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-26 03:03:18,428 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:03:18,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:03:18,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1432629698, now seen corresponding path program 1 times [2024-10-26 03:03:18,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:03:18,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125966271] [2024-10-26 03:03:18,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:03:18,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:03:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:03:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-10-26 03:03:19,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:03:19,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125966271] [2024-10-26 03:03:19,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125966271] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:03:19,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:03:19,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-26 03:03:19,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129082438] [2024-10-26 03:03:19,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:03:19,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-26 03:03:19,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:03:19,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-26 03:03:19,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-26 03:03:19,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:03:19,321 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:03:19,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.166666666666668) internal successors, (157), 6 states have internal predecessors, (157), 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 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:03:19,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:04:16,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-26 03:04:16,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-26 03:04:16,526 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr4ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2024-10-26 03:04:16,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-26 03:04:16,527 INFO L85 PathProgramCache]: Analyzing trace with hash -151419785, now seen corresponding path program 1 times [2024-10-26 03:04:16,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-26 03:04:16,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677378920] [2024-10-26 03:04:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-26 03:04:16,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-26 03:04:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-26 03:04:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-10-26 03:04:16,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-26 03:04:16,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677378920] [2024-10-26 03:04:16,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677378920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-26 03:04:16,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-26 03:04:16,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-26 03:04:16,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410926699] [2024-10-26 03:04:16,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-26 03:04:16,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-26 03:04:16,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-26 03:04:16,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-26 03:04:16,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-26 03:04:16,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:04:16,759 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-26 03:04:16,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 5 states have internal predecessors, (166), 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 03:04:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-26 03:04:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-26 03:04:16,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Killed by 15