/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.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:36:46,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:36:46,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:36:46,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:36:46,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:36:46,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:36:46,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:36:46,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:36:46,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:36:46,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:36:46,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:36:46,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:36:46,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:36:46,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:36:46,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:36:46,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:36:46,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:36:46,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:36:46,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:36:46,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:36:46,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:36:46,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:36:46,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:36:46,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:36:46,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:36:46,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:36:46,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:36:46,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:36:46,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:36:46,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:36:46,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:36:46,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:36:46,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:36:46,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:36:46,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:36:46,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:36:46,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:36:46,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:36:46,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:36:46,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:36:46,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:36:46,754 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:36:46,781 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:36:46,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:36:46,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:36:46,782 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:36:46,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:36:46,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:36:46,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:36:46,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:36:46,784 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:36:46,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:36:46,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:36:46,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:36:46,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:36:46,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:36:46,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:36:46,788 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:36:46,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:36:47,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:36:47,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:36:47,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:36:47,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:36:47,063 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:36:47,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-11-16 03:36:47,115 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbab5d4a/70fce96126a446298e59e3031757e948/FLAGfa6d1f3aa [2022-11-16 03:36:47,525 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:36:47,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-11-16 03:36:47,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbab5d4a/70fce96126a446298e59e3031757e948/FLAGfa6d1f3aa [2022-11-16 03:36:47,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfbab5d4a/70fce96126a446298e59e3031757e948 [2022-11-16 03:36:47,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:36:47,555 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:36:47,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:36:47,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:36:47,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:36:47,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f6c4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47, skipping insertion in model container [2022-11-16 03:36:47,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:36:47,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:36:47,837 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-11-16 03:36:47,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:36:47,847 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:36:47,886 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-11-16 03:36:47,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:36:47,904 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:36:47,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47 WrapperNode [2022-11-16 03:36:47,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:36:47,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:36:47,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:36:47,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:36:47,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,969 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 318 [2022-11-16 03:36:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:36:47,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:36:47,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:36:47,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:36:47,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:47,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:36:48,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:36:48,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:36:48,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:36:48,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (1/1) ... [2022-11-16 03:36:48,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:36:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:36:48,079 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) [2022-11-16 03:36:48,102 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 [2022-11-16 03:36:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:36:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:36:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:36:48,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 03:36:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 03:36:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 03:36:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 03:36:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 03:36:48,127 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 03:36:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 03:36:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 03:36:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 03:36:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:36:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-11-16 03:36:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-11-16 03:36:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-11-16 03:36:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-11-16 03:36:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-11-16 03:36:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-11-16 03:36:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 03:36:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 03:36:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:36:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:36:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:36:48,131 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:36:48,258 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:36:48,260 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:36:48,632 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:36:48,760 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:36:48,760 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 03:36:48,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:36:48 BoogieIcfgContainer [2022-11-16 03:36:48,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:36:48,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:36:48,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:36:48,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:36:48,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:36:47" (1/3) ... [2022-11-16 03:36:48,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00a36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:36:48, skipping insertion in model container [2022-11-16 03:36:48,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:36:47" (2/3) ... [2022-11-16 03:36:48,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b00a36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:36:48, skipping insertion in model container [2022-11-16 03:36:48,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:36:48" (3/3) ... [2022-11-16 03:36:48,772 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2022-11-16 03:36:48,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:36:48,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:36:48,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:36:48,786 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:36:48,893 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2022-11-16 03:36:48,945 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:36:48,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:36:48,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:36:48,954 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) [2022-11-16 03:36:48,955 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 [2022-11-16 03:36:48,985 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:36:49,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-16 03:36:49,008 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;@d716ad4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:36:49,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-16 03:36:49,576 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-11-16 03:36:49,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:36:49,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1277564845, now seen corresponding path program 1 times [2022-11-16 03:36:49,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:36:49,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814031852] [2022-11-16 03:36:49,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:36:49,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:36:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:36:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:36:49,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:36:49,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814031852] [2022-11-16 03:36:49,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814031852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:36:49,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:36:49,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 03:36:49,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653635703] [2022-11-16 03:36:49,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:36:49,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 03:36:49,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:36:49,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 03:36:49,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 03:36:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:36:49,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:36:49,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2022-11-16 03:36:49,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:36:50,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:36:50,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 03:36:50,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-11-16 03:36:50,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:36:50,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1232630922, now seen corresponding path program 1 times [2022-11-16 03:36:50,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:36:50,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621126015] [2022-11-16 03:36:50,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:36:50,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:36:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:36:52,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:36:52,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:36:52,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621126015] [2022-11-16 03:36:52,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621126015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:36:52,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:36:52,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 03:36:52,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772383056] [2022-11-16 03:36:52,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:36:52,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 03:36:52,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:36:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 03:36:52,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-16 03:36:52,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:36:52,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:36:52,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.1) internal successors, (181), 10 states have internal predecessors, (181), 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) [2022-11-16 03:36:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:36:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:38:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:38:32,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:38:32,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 03:38:32,292 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2022-11-16 03:38:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 03:38:32,293 INFO L85 PathProgramCache]: Analyzing trace with hash -180885710, now seen corresponding path program 2 times [2022-11-16 03:38:32,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 03:38:32,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244424998] [2022-11-16 03:38:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 03:38:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 03:38:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 03:38:32,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 03:38:32,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 03:38:32,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244424998] [2022-11-16 03:38:32,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244424998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 03:38:32,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 03:38:32,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 03:38:32,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843822174] [2022-11-16 03:38:32,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 03:38:32,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 03:38:32,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 03:38:32,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 03:38:32,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-16 03:38:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:38:32,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-16 03:38:32,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 7 states have internal predecessors, (181), 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) [2022-11-16 03:38:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-16 03:38:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-11-16 03:38:32,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.