/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 --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 12:15:18,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 12:15:18,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 12:15:18,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 12:15:18,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 12:15:18,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 12:15:18,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 12:15:18,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 12:15:18,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 12:15:18,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 12:15:18,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 12:15:18,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 12:15:18,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 12:15:18,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 12:15:18,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 12:15:18,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 12:15:18,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 12:15:18,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 12:15:18,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 12:15:18,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 12:15:18,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 12:15:18,058 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 12:15:18,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 12:15:18,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 12:15:18,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 12:15:18,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 12:15:18,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 12:15:18,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 12:15:18,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 12:15:18,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 12:15:18,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 12:15:18,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 12:15:18,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 12:15:18,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 12:15:18,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 12:15:18,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 12:15:18,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 12:15:18,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 12:15:18,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 12:15:18,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 12:15:18,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 12:15:18,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 12:15:18,097 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 12:15:18,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 12:15:18,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 12:15:18,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 12:15:18,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 12:15:18,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 12:15:18,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 12:15:18,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 12:15:18,099 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 12:15:18,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 12:15:18,100 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 12:15:18,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 12:15:18,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 12:15:18,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 12:15:18,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 12:15:18,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 12:15:18,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:15:18,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 12:15:18,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 12:15:18,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 12:15:18,103 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 12:15:18,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 12:15:18,103 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 12:15:18,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 12:15:18,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 12:15:18,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 12:15:18,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 12:15:18,314 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 12:15:18,315 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 12:15:18,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-05-04 12:15:18,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2824a0dc0/cc3296ef55f8439892915caf9b4ec96b/FLAG5b89fde55 [2023-05-04 12:15:18,803 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 12:15:18,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2023-05-04 12:15:18,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2824a0dc0/cc3296ef55f8439892915caf9b4ec96b/FLAG5b89fde55 [2023-05-04 12:15:19,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2824a0dc0/cc3296ef55f8439892915caf9b4ec96b [2023-05-04 12:15:19,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 12:15:19,162 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 12:15:19,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 12:15:19,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 12:15:19,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 12:15:19,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67db92b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19, skipping insertion in model container [2023-05-04 12:15:19,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 12:15:19,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 12:15:19,359 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/parallel-ticket-8.wvr.c[5274,5287] [2023-05-04 12:15:19,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:15:19,365 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 12:15:19,385 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/parallel-ticket-8.wvr.c[5274,5287] [2023-05-04 12:15:19,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 12:15:19,394 INFO L208 MainTranslator]: Completed translation [2023-05-04 12:15:19,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19 WrapperNode [2023-05-04 12:15:19,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 12:15:19,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 12:15:19,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 12:15:19,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 12:15:19,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,447 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2023-05-04 12:15:19,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 12:15:19,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 12:15:19,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 12:15:19,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 12:15:19,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,474 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 12:15:19,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 12:15:19,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 12:15:19,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 12:15:19,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (1/1) ... [2023-05-04 12:15:19,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 12:15:19,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:15:19,517 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) [2023-05-04 12:15:19,525 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 [2023-05-04 12:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 12:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 12:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 12:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 12:15:19,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 12:15:19,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-05-04 12:15:19,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2023-05-04 12:15:19,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2023-05-04 12:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 12:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 12:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 12:15:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 12:15:19,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 12:15:19,544 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 12:15:19,618 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 12:15:19,619 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 12:15:19,886 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 12:15:19,979 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 12:15:19,979 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 12:15:19,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:15:19 BoogieIcfgContainer [2023-05-04 12:15:19,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 12:15:19,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 12:15:19,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 12:15:19,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 12:15:19,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 12:15:19" (1/3) ... [2023-05-04 12:15:19,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87e3510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:15:19, skipping insertion in model container [2023-05-04 12:15:19,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 12:15:19" (2/3) ... [2023-05-04 12:15:19,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87e3510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:15:19, skipping insertion in model container [2023-05-04 12:15:19,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:15:19" (3/3) ... [2023-05-04 12:15:19,988 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2023-05-04 12:15:19,993 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 12:15:19,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 12:15:19,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 12:15:19,999 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 12:15:20,079 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-05-04 12:15:20,111 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:15:20,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 12:15:20,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 12:15:20,113 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) [2023-05-04 12:15:20,115 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 [2023-05-04 12:15:20,142 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 12:15:20,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 12:15:20,158 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;@567fa096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 12:15:20,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2023-05-04 12:15:20,860 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 6 more)] === [2023-05-04 12:15:20,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:15:20,866 INFO L85 PathProgramCache]: Analyzing trace with hash -6284852, now seen corresponding path program 1 times [2023-05-04 12:15:20,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:15:20,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170097599] [2023-05-04 12:15:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:15:20,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:15:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:15:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:15:21,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:15:21,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170097599] [2023-05-04 12:15:21,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170097599] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:15:21,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:15:21,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 12:15:21,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550813607] [2023-05-04 12:15:21,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:15:21,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 12:15:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:15:21,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 12:15:21,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 12:15:21,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:21,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:15:21,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 101.0) internal successors, (202), 2 states have internal predecessors, (202), 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) [2023-05-04 12:15:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:21,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 12:15:21,374 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 6 more)] === [2023-05-04 12:15:21,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 12:15:21,375 INFO L85 PathProgramCache]: Analyzing trace with hash -970032230, now seen corresponding path program 1 times [2023-05-04 12:15:21,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 12:15:21,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241160584] [2023-05-04 12:15:21,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 12:15:21,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 12:15:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 12:15:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 12:15:23,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 12:15:23,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241160584] [2023-05-04 12:15:23,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241160584] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 12:15:23,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 12:15:23,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-05-04 12:15:23,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621978121] [2023-05-04 12:15:23,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 12:15:23,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-04 12:15:23,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 12:15:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-04 12:15:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-05-04 12:15:23,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:23,286 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 12:15:23,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.75) internal successors, (201), 12 states have internal predecessors, (201), 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) [2023-05-04 12:15:23,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 12:15:23,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.