/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 X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 11:10:23,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 11:10:23,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 11:10:23,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 11:10:23,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 11:10:23,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 11:10:23,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 11:10:23,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 11:10:23,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 11:10:23,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 11:10:23,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 11:10:23,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 11:10:23,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 11:10:23,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 11:10:23,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 11:10:23,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 11:10:23,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 11:10:23,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 11:10:23,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 11:10:23,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 11:10:23,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 11:10:23,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 11:10:23,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 11:10:23,500 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 11:10:23,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 11:10:23,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 11:10:23,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 11:10:23,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 11:10:23,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 11:10:23,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 11:10:23,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 11:10:23,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 11:10:23,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 11:10:23,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 11:10:23,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 11:10:23,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 11:10:23,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 11:10:23,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 11:10:23,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 11:10:23,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 11:10:23,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 11:10:23,512 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 11:10:23,535 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 11:10:23,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 11:10:23,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 11:10:23,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 11:10:23,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 11:10:23,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 11:10:23,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 11:10:23,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 11:10:23,537 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 11:10:23,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 11:10:23,538 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 11:10:23,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 11:10:23,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 11:10:23,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 11:10:23,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 11:10:23,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:10:23,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 11:10:23,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 11:10:23,541 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 11:10:23,541 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 11:10:23,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 11:10:23,541 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 11:10:23,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 11:10:23,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 11:10:23,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 11:10:23,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 11:10:23,772 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 11:10:23,772 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 11:10:23,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/mult-dist.wvr.c [2023-05-20 11:10:23,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3502089fa/92a3981691f44959af1c037bd264b0a2/FLAG278491a77 [2023-05-20 11:10:24,132 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 11:10:24,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/mult-dist.wvr.c [2023-05-20 11:10:24,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3502089fa/92a3981691f44959af1c037bd264b0a2/FLAG278491a77 [2023-05-20 11:10:24,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3502089fa/92a3981691f44959af1c037bd264b0a2 [2023-05-20 11:10:24,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 11:10:24,578 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 11:10:24,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 11:10:24,581 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 11:10:24,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 11:10:24,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fc5eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24, skipping insertion in model container [2023-05-20 11:10:24,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 11:10:24,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 11:10:24,759 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/mult-dist.wvr.c[2116,2129] [2023-05-20 11:10:24,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:10:24,774 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 11:10:24,795 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/mult-dist.wvr.c[2116,2129] [2023-05-20 11:10:24,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 11:10:24,808 INFO L208 MainTranslator]: Completed translation [2023-05-20 11:10:24,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24 WrapperNode [2023-05-20 11:10:24,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 11:10:24,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 11:10:24,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 11:10:24,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 11:10:24,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,836 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2023-05-20 11:10:24,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 11:10:24,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 11:10:24,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 11:10:24,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 11:10:24,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,859 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 11:10:24,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 11:10:24,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 11:10:24,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 11:10:24,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (1/1) ... [2023-05-20 11:10:24,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 11:10:24,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:10:24,897 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) [2023-05-20 11:10:24,903 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 [2023-05-20 11:10:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 11:10:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 11:10:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 11:10:24,927 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 11:10:24,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 11:10:24,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 11:10:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 11:10:24,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 11:10:24,929 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 11:10:24,996 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 11:10:24,998 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 11:10:25,156 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 11:10:25,162 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 11:10:25,162 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 11:10:25,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:10:25 BoogieIcfgContainer [2023-05-20 11:10:25,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 11:10:25,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 11:10:25,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 11:10:25,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 11:10:25,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 11:10:24" (1/3) ... [2023-05-20 11:10:25,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdf3952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:10:25, skipping insertion in model container [2023-05-20 11:10:25,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 11:10:24" (2/3) ... [2023-05-20 11:10:25,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cdf3952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 11:10:25, skipping insertion in model container [2023-05-20 11:10:25,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 11:10:25" (3/3) ... [2023-05-20 11:10:25,178 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-dist.wvr.c [2023-05-20 11:10:25,186 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 11:10:25,211 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 11:10:25,211 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 11:10:25,211 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 11:10:25,304 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 11:10:25,338 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:10:25,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 11:10:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:10:25,341 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) [2023-05-20 11:10:25,365 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 [2023-05-20 11:10:25,397 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 11:10:25,422 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 11:10:25,438 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;@6f3179e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 11:10:25,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 11:10:25,622 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 1 more)] === [2023-05-20 11:10:25,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:10:25,626 INFO L85 PathProgramCache]: Analyzing trace with hash 11604366, now seen corresponding path program 1 times [2023-05-20 11:10:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:10:25,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369346727] [2023-05-20 11:10:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:10:25,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:10:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:10:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 11:10:25,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:10:25,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369346727] [2023-05-20 11:10:25,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369346727] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 11:10:25,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 11:10:25,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 11:10:25,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410919588] [2023-05-20 11:10:25,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 11:10:25,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 11:10:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 11:10:25,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 11:10:25,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 11:10:25,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:10:25,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 11:10:25,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 39.5) internal successors, (79), 2 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 11:10:25,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:10:25,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 11:10:25,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 11:10:25,925 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 1 more)] === [2023-05-20 11:10:25,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 11:10:25,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1831629901, now seen corresponding path program 1 times [2023-05-20 11:10:25,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 11:10:25,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095151219] [2023-05-20 11:10:25,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:10:25,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 11:10:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:10:26,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 11:10:26,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 11:10:26,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095151219] [2023-05-20 11:10:26,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095151219] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 11:10:26,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695914660] [2023-05-20 11:10:26,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 11:10:26,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 11:10:26,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 11:10:26,865 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 11:10:26,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 11:10:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 11:10:27,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 11:10:27,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 11:10:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-20 11:10:27,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 11:10:35,161 WARN L233 SmtUtils]: Spent 6.72s on a formula simplification. DAG size of input: 2700 DAG size of output: 2684 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)