/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/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -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/weaver/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 17:10:16,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 17:10:16,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 17:10:16,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-09 17:10:16,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 17:10:16,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 17:10:16,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 17:10:16,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 17:10:16,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 17:10:16,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 17:10:16,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 17:10:16,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 17:10:16,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 17:10:16,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 17:10:16,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 17:10:16,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 17:10:16,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 17:10:16,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 17:10:16,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 17:10:16,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 17:10:16,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 17:10:16,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 17:10:16,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 17:10:16,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 17:10:16,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 17:10:16,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 17:10:16,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 17:10:16,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 17:10:16,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 17:10:16,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 17:10:16,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 17:10:16,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 17:10:16,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 17:10:16,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 17:10:16,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 17:10:16,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 17:10:16,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 17:10:16,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 17:10:16,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 17:10:16,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 17:10:16,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 17:10:16,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 17:10:16,687 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 17:10:16,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 17:10:16,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 17:10:16,688 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 17:10:16,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 17:10:16,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 17:10:16,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 17:10:16,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 17:10:16,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 17:10:16,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:10:16,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 17:10:16,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 17:10:16,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 17:10:16,691 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 17:10:16,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 17:10:16,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 17:10:16,693 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 17:10:16,693 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 17:10:16,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 17:10:16,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 17:10:16,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 17:10:16,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 17:10:16,880 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 17:10:16,881 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 17:10:16,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-11-09 17:10:16,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d991d187/dfaa50abe7064e7e9c462b9e526e6898/FLAG95d7eaf7d [2022-11-09 17:10:17,258 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 17:10:17,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-11-09 17:10:17,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d991d187/dfaa50abe7064e7e9c462b9e526e6898/FLAG95d7eaf7d [2022-11-09 17:10:17,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d991d187/dfaa50abe7064e7e9c462b9e526e6898 [2022-11-09 17:10:17,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 17:10:17,681 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 17:10:17,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 17:10:17,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 17:10:17,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 17:10:17,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:17,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b3fc28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17, skipping insertion in model container [2022-11-09 17:10:17,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:17,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 17:10:17,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 17:10:17,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-09 17:10:17,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:10:17,929 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 17:10:17,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-11-09 17:10:17,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:10:17,997 INFO L208 MainTranslator]: Completed translation [2022-11-09 17:10:17,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17 WrapperNode [2022-11-09 17:10:17,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 17:10:17,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 17:10:17,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 17:10:17,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 17:10:18,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,025 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,057 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 1006 [2022-11-09 17:10:18,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 17:10:18,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 17:10:18,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 17:10:18,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 17:10:18,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 17:10:18,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 17:10:18,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 17:10:18,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 17:10:18,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (1/1) ... [2022-11-09 17:10:18,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:10:18,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:10:18,155 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) [2022-11-09 17:10:18,179 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 [2022-11-09 17:10:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 17:10:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 17:10:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 17:10:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 17:10:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-09 17:10:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-09 17:10:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-09 17:10:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-09 17:10:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-09 17:10:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-09 17:10:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-09 17:10:18,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-09 17:10:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 17:10:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-09 17:10:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-09 17:10:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-09 17:10:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 17:10:18,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 17:10:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 17:10:18,189 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 17:10:18,329 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 17:10:18,330 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 17:10:19,137 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 17:10:19,802 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 17:10:19,802 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-09 17:10:19,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:10:19 BoogieIcfgContainer [2022-11-09 17:10:19,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 17:10:19,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 17:10:19,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 17:10:19,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 17:10:19,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:10:17" (1/3) ... [2022-11-09 17:10:19,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb5c670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:10:19, skipping insertion in model container [2022-11-09 17:10:19,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:10:17" (2/3) ... [2022-11-09 17:10:19,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb5c670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:10:19, skipping insertion in model container [2022-11-09 17:10:19,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:10:19" (3/3) ... [2022-11-09 17:10:19,813 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2022-11-09 17:10:19,821 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 17:10:19,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 17:10:19,827 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 168 error locations. [2022-11-09 17:10:19,827 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 17:10:20,008 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-09 17:10:20,042 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:10:20,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:10:20,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:10:20,056 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) [2022-11-09 17:10:20,071 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 [2022-11-09 17:10:20,081 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:10:20,090 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork3 ======== [2022-11-09 17:10:20,094 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7436c92c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:10:20,094 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-09 17:10:20,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-09 17:10:20,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:10:20,822 INFO L85 PathProgramCache]: Analyzing trace with hash 934402745, now seen corresponding path program 1 times [2022-11-09 17:10:20,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 17:10:20,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145042070] [2022-11-09 17:10:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:10:20,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:10:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:10:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 17:10:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 17:10:21,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145042070] [2022-11-09 17:10:21,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145042070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:10:21,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:10:21,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:10:21,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981594793] [2022-11-09 17:10:21,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:10:21,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:10:21,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 17:10:21,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:10:21,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:10:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:10:21,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:10:21,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 145.5) internal successors, (291), 2 states have internal predecessors, (291), 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) [2022-11-09 17:10:21,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:10:54,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:10:54,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-11-09 17:10:54,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-11-09 17:10:54,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-11-09 17:10:54,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-11-09 17:10:54,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-11-09 17:10:54,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-11-09 17:10:54,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-11-09 17:10:54,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 17:10:54,418 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-09 17:10:54,420 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork3 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2022-11-09 17:10:54,426 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:10:54,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:10:54,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:10:54,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 17:10:54,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-09 17:10:54,435 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:10:54,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread4Thread1of1ForFork2 ======== [2022-11-09 17:10:54,436 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7436c92c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:10:54,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-11-09 17:10:55,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread4Err0ASSERT_VIOLATIONDATA_RACE, thread4Err1ASSERT_VIOLATIONDATA_RACE, thread4Err2ASSERT_VIOLATIONDATA_RACE, thread4Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2022-11-09 17:10:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:10:55,014 INFO L85 PathProgramCache]: Analyzing trace with hash -138438900, now seen corresponding path program 1 times [2022-11-09 17:10:55,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 17:10:55,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640904794] [2022-11-09 17:10:55,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:10:55,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:10:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:10:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 17:10:55,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 17:10:55,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640904794] [2022-11-09 17:10:55,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640904794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:10:55,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:10:55,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:10:55,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875713203] [2022-11-09 17:10:55,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:10:55,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:10:55,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 17:10:55,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:10:55,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:10:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:10:55,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:10:55,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 151.5) internal successors, (303), 2 states have internal predecessors, (303), 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) [2022-11-09 17:10:55,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:11:29,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:11:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2022-11-09 17:11:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2022-11-09 17:11:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2022-11-09 17:11:29,367 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2022-11-09 17:11:29,368 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2022-11-09 17:11:29,370 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2022-11-09 17:11:29,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (9 of 22 remaining) [2022-11-09 17:11:29,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (8 of 22 remaining) [2022-11-09 17:11:29,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2022-11-09 17:11:29,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err15ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2022-11-09 17:11:29,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err16ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2022-11-09 17:11:29,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err17ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2022-11-09 17:11:29,384 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err18ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2022-11-09 17:11:29,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err19ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2022-11-09 17:11:29,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err20ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2022-11-09 17:11:29,390 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err21ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2022-11-09 17:11:29,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 17:11:29,392 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-09 17:11:29,392 INFO L307 ceAbstractionStarter]: Result for error location thread4Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2022-11-09 17:11:29,395 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:11:29,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:11:29,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:11:29,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 17:11:29,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-09 17:11:29,440 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:11:29,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2022-11-09 17:11:29,441 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7436c92c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:11:29,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 66 error locations. [2022-11-09 17:11:29,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 62 more)] === [2022-11-09 17:11:29,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:11:29,940 INFO L85 PathProgramCache]: Analyzing trace with hash -161917986, now seen corresponding path program 1 times [2022-11-09 17:11:29,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 17:11:29,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775400374] [2022-11-09 17:11:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:11:29,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:11:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:11:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 17:11:30,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 17:11:30,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775400374] [2022-11-09 17:11:30,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775400374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:11:30,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:11:30,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:11:30,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280873737] [2022-11-09 17:11:30,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:11:30,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:11:30,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 17:11:30,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:11:30,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:11:30,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:11:30,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:11:30,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 142.5) internal successors, (285), 2 states have internal predecessors, (285), 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) [2022-11-09 17:11:30,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.