/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/ldv-races/race-1_2b-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 04:36:03,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 04:36:03,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 04:36:03,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 04:36:03,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 04:36:03,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 04:36:03,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 04:36:03,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 04:36:03,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 04:36:03,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 04:36:03,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 04:36:03,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 04:36:03,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 04:36:03,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 04:36:03,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 04:36:03,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 04:36:03,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 04:36:03,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 04:36:03,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 04:36:03,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 04:36:03,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 04:36:03,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 04:36:03,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 04:36:03,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 04:36:03,567 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 04:36:03,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 04:36:03,568 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 04:36:03,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 04:36:03,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 04:36:03,569 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 04:36:03,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 04:36:03,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 04:36:03,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 04:36:03,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 04:36:03,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 04:36:03,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 04:36:03,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 04:36:03,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:36:03,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 04:36:03,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 04:36:03,573 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 04:36:03,573 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 04:36:03,573 INFO L138 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-04 04:36:03,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 04:36:03,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 04:36:03,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 04:36:03,774 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-04 04:36:03,776 INFO L275 PluginConnector]: CDTParser initialized [2022-03-04 04:36:03,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_2b-join.i [2022-03-04 04:36:03,833 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d26306c/25475ba73c4244bda19e82826ca3b93e/FLAG6f80b1849 [2022-03-04 04:36:04,189 INFO L306 CDTParser]: Found 1 translation units. [2022-03-04 04:36:04,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2b-join.i [2022-03-04 04:36:04,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d26306c/25475ba73c4244bda19e82826ca3b93e/FLAG6f80b1849 [2022-03-04 04:36:04,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51d26306c/25475ba73c4244bda19e82826ca3b93e [2022-03-04 04:36:04,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 04:36:04,536 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-04 04:36:04,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-04 04:36:04,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-04 04:36:04,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-04 04:36:04,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:36:04" (1/1) ... [2022-03-04 04:36:04,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fbf84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:04, skipping insertion in model container [2022-03-04 04:36:04,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 04:36:04" (1/1) ... [2022-03-04 04:36:04,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-04 04:36:04,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-04 04:36:04,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2b-join.i[76069,76082] [2022-03-04 04:36:05,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:36:05,027 INFO L203 MainTranslator]: Completed pre-run [2022-03-04 04:36:05,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_2b-join.i[76069,76082] [2022-03-04 04:36:05,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-04 04:36:05,154 INFO L208 MainTranslator]: Completed translation [2022-03-04 04:36:05,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05 WrapperNode [2022-03-04 04:36:05,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-04 04:36:05,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 04:36:05,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 04:36:05,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 04:36:05,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,216 INFO L137 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2022-03-04 04:36:05,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 04:36:05,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 04:36:05,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 04:36:05,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 04:36:05,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 04:36:05,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 04:36:05,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 04:36:05,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 04:36:05,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (1/1) ... [2022-03-04 04:36:05,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 04:36:05,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:36:05,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-04 04:36:05,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 04:36:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 04:36:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-04 04:36:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-04 04:36:05,366 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 04:36:05,611 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 04:36:05,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 04:36:05,777 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 04:36:05,783 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 04:36:05,783 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 04:36:05,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:36:05 BoogieIcfgContainer [2022-03-04 04:36:05,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 04:36:05,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 04:36:05,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 04:36:05,791 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 04:36:05,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 04:36:04" (1/3) ... [2022-03-04 04:36:05,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9fa4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:36:05, skipping insertion in model container [2022-03-04 04:36:05,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 04:36:05" (2/3) ... [2022-03-04 04:36:05,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f9fa4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 04:36:05, skipping insertion in model container [2022-03-04 04:36:05,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 04:36:05" (3/3) ... [2022-03-04 04:36:05,793 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2b-join.i [2022-03-04 04:36:05,797 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 04:36:05,797 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 04:36:05,797 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-03-04 04:36:05,797 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,825 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,840 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,840 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,851 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,852 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,853 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,854 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,866 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-04 04:36:05,869 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-03-04 04:36:05,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 04:36:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 04:36:05,919 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-04 04:36:05,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-04 04:36:05,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 04:36:05,967 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=true [2022-03-04 04:36:05,967 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-03-04 04:36:05,999 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32 transitions and produced 33 states. [2022-03-04 04:36:06,000 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1989440496, now seen corresponding path program 1 times [2022-03-04 04:36:06,009 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,010 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726722242] [2022-03-04 04:36:06,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,211 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,211 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726722242] [2022-03-04 04:36:06,212 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726722242] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,212 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,212 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:36:06,213 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309907974] [2022-03-04 04:36:06,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:36:06,216 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:36:06,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:36:06,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,231 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 04:36:06,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,245 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 36 transitions and produced 37 states. [2022-03-04 04:36:06,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 04:36:06,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1167796940, now seen corresponding path program 1 times [2022-03-04 04:36:06,247 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,247 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146217696] [2022-03-04 04:36:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,316 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,316 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146217696] [2022-03-04 04:36:06,316 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146217696] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,317 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,317 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:36:06,317 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8873784] [2022-03-04 04:36:06,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:36:06,318 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:36:06,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:36:06,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,319 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-03-04 04:36:06,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,356 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 65 transitions and produced 66 states. [2022-03-04 04:36:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 04:36:06,357 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,357 INFO L85 PathProgramCache]: Analyzing trace with hash 213811667, now seen corresponding path program 1 times [2022-03-04 04:36:06,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824018962] [2022-03-04 04:36:06,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824018962] [2022-03-04 04:36:06,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824018962] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,463 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,463 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:36:06,463 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533852172] [2022-03-04 04:36:06,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:36:06,464 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:36:06,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:36:06,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,464 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-03-04 04:36:06,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,465 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,515 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 97 transitions and produced 92 states. [2022-03-04 04:36:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 04:36:06,516 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,525 INFO L85 PathProgramCache]: Analyzing trace with hash 321253473, now seen corresponding path program 1 times [2022-03-04 04:36:06,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138034948] [2022-03-04 04:36:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138034948] [2022-03-04 04:36:06,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138034948] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,643 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:36:06,643 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425503134] [2022-03-04 04:36:06,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-04 04:36:06,644 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-04 04:36:06,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-04 04:36:06,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2022-03-04 04:36:06,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,717 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 113 transitions and produced 114 states. [2022-03-04 04:36:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:06,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 04:36:06,720 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1200682076, now seen corresponding path program 1 times [2022-03-04 04:36:06,720 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,721 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675103324] [2022-03-04 04:36:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675103324] [2022-03-04 04:36:06,787 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675103324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,787 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,787 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-04 04:36:06,787 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950462265] [2022-03-04 04:36:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-04 04:36:06,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-04 04:36:06,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-04 04:36:06,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,788 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,788 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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) [2022-03-04 04:36:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:06,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,813 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 116 transitions and produced 117 states. [2022-03-04 04:36:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:06,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:06,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 04:36:06,814 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:06,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:06,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1826385643, now seen corresponding path program 1 times [2022-03-04 04:36:06,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:06,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399714479] [2022-03-04 04:36:06,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:06,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:06,966 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:06,966 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399714479] [2022-03-04 04:36:06,966 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399714479] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:06,966 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:06,966 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-04 04:36:06,966 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140522736] [2022-03-04 04:36:06,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:06,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-04 04:36:06,967 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:06,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-04 04:36:06,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-04 04:36:06,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:06,967 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:06,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 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) [2022-03-04 04:36:06,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:06,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:06,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:06,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:07,002 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 124 transitions and produced 125 states. [2022-03-04 04:36:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:07,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:36:07,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-04 04:36:07,004 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:07,004 INFO L85 PathProgramCache]: Analyzing trace with hash 196562112, now seen corresponding path program 1 times [2022-03-04 04:36:07,004 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:07,004 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828988374] [2022-03-04 04:36:07,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:07,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:07,067 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:07,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828988374] [2022-03-04 04:36:07,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828988374] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:07,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:07,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:36:07,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071755582] [2022-03-04 04:36:07,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:07,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:36:07,068 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:07,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:36:07,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:36:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:07,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:07,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:07,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:36:07,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:07,128 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 137 transitions and produced 138 states. [2022-03-04 04:36:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:07,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:36:07,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-04 04:36:07,129 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:07,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:07,132 INFO L85 PathProgramCache]: Analyzing trace with hash 382962933, now seen corresponding path program 1 times [2022-03-04 04:36:07,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:07,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743184144] [2022-03-04 04:36:07,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:07,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 04:36:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 04:36:07,197 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 04:36:07,197 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743184144] [2022-03-04 04:36:07,198 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743184144] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 04:36:07,198 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 04:36:07,198 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-04 04:36:07,198 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44187368] [2022-03-04 04:36:07,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 04:36:07,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 04:36:07,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 04:36:07,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 04:36:07,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 04:36:07,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:07,200 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 04:36:07,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 04:36:07,309 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1018 transitions and produced 585 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-04 04:36:07,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-04 04:36:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 04:36:07,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-04 04:36:07,310 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2022-03-04 04:36:07,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 04:36:07,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1958526298, now seen corresponding path program 1 times [2022-03-04 04:36:07,310 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 04:36:07,311 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104731758] [2022-03-04 04:36:07,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 04:36:07,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 04:36:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:36:07,326 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-04 04:36:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-04 04:36:07,383 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-04 04:36:07,384 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-04 04:36:07,384 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-03-04 04:36:07,386 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-03-04 04:36:07,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-03-04 04:36:07,387 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-03-04 04:36:07,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2022-03-04 04:36:07,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 12 remaining) [2022-03-04 04:36:07,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-03-04 04:36:07,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-04 04:36:07,395 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-04 04:36:07,403 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 04:36:07,404 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 04:36:07,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 04:36:07 BasicIcfg [2022-03-04 04:36:07,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 04:36:07,429 INFO L158 Benchmark]: Toolchain (without parser) took 2892.27ms. Allocated memory was 173.0MB in the beginning and 227.5MB in the end (delta: 54.5MB). Free memory was 143.1MB in the beginning and 181.5MB in the end (delta: -38.4MB). Peak memory consumption was 16.2MB. Max. memory is 8.0GB. [2022-03-04 04:36:07,429 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 173.0MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:36:07,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.61ms. Allocated memory was 173.0MB in the beginning and 227.5MB in the end (delta: 54.5MB). Free memory was 142.9MB in the beginning and 155.7MB in the end (delta: -12.8MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. [2022-03-04 04:36:07,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.66ms. Allocated memory is still 227.5MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-04 04:36:07,430 INFO L158 Benchmark]: Boogie Preprocessor took 43.99ms. Allocated memory is still 227.5MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 04:36:07,430 INFO L158 Benchmark]: RCFGBuilder took 522.64ms. Allocated memory is still 227.5MB. Free memory was 149.9MB in the beginning and 131.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-03-04 04:36:07,430 INFO L158 Benchmark]: TraceAbstraction took 1642.80ms. Allocated memory is still 227.5MB. Free memory was 131.1MB in the beginning and 181.5MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 04:36:07,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 173.0MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 617.61ms. Allocated memory was 173.0MB in the beginning and 227.5MB in the end (delta: 54.5MB). Free memory was 142.9MB in the beginning and 155.7MB in the end (delta: -12.8MB). Peak memory consumption was 47.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.66ms. Allocated memory is still 227.5MB. Free memory was 155.2MB in the beginning and 152.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.99ms. Allocated memory is still 227.5MB. Free memory was 152.0MB in the beginning and 149.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 522.64ms. Allocated memory is still 227.5MB. Free memory was 149.9MB in the beginning and 131.6MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1642.80ms. Allocated memory is still 227.5MB. Free memory was 131.1MB in the beginning and 181.5MB in the end (delta: -50.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1710]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; VAL [t1={3:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={4:0}, t1={3:0}] [L1696] 0 int pdev; VAL [mutex={4:0}, pdev=0, t1={3:0}] [L1726] CALL 0 module_init() [L1705] 0 pdev = 1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] EXPR 0 pdev==1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}] [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, mutex={4:0}, pdev=1, t1={3:0}] [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1709] 0 pdev = 2 VAL [arg={0:0}, mutex={4:0}, pdev=2, t1={3:0}] [L1710] 0 pdev==2 VAL [arg={0:0}, mutex={4:0}, pdev=2, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1710] 0 pdev==2 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 6 [1699] and C: pdev==2 [1710] - UnprovableResult [Line: 1699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1705]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1713]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1714]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1720]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1722]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1708]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 584 NumberOfCodeBlocks, 584 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 514 ConstructedInterpolants, 0 QuantifiedInterpolants, 638 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-04 04:36:07,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-03-04 04:36:07,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...