/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 23:50:25,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-19 23:50:25,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-19 23:50:25,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-19 23:50:25,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-19 23:50:25,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-19 23:50:25,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-19 23:50:25,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-19 23:50:25,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-19 23:50:25,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-19 23:50:25,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-19 23:50:25,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-19 23:50:25,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-19 23:50:25,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-19 23:50:25,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-19 23:50:25,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-19 23:50:25,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-19 23:50:25,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-19 23:50:25,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-19 23:50:25,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-19 23:50:25,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-19 23:50:25,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-19 23:50:25,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-19 23:50:25,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-19 23:50:25,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-19 23:50:25,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-19 23:50:25,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-19 23:50:25,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-19 23:50:25,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-19 23:50:25,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2023-05-19 23:50:25,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-19 23:50:25,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-19 23:50:25,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-19 23:50:25,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 23:50:25,617 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 23:50:25,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 23:50:25,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 23:50:25,618 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 23:50:25,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 23:50:25,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 23:50:25,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 23:50:25,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 23:50:25,619 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 23:50:25,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 23:50:25,619 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 23:50:25,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 23:50:25,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 23:50:25,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:50:25,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 23:50:25,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 23:50:25,622 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 23:50:25,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 23:50:25,622 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 23:50:25,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-19 23:50:25,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 23:50:25,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 23:50:25,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 23:50:25,836 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-19 23:50:25,837 INFO L275 PluginConnector]: CDTParser initialized [2023-05-19 23:50:25,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c [2023-05-19 23:50:25,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a658fabdf/bda93a0316ed448b80b6ddd51829c4da/FLAG4b2a2642b [2023-05-19 23:50:26,294 INFO L306 CDTParser]: Found 1 translation units. [2023-05-19 23:50:26,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c [2023-05-19 23:50:26,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a658fabdf/bda93a0316ed448b80b6ddd51829c4da/FLAG4b2a2642b [2023-05-19 23:50:26,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a658fabdf/bda93a0316ed448b80b6ddd51829c4da [2023-05-19 23:50:26,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 23:50:26,322 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-19 23:50:26,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-19 23:50:26,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-19 23:50:26,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-19 23:50:26,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b663072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26, skipping insertion in model container [2023-05-19 23:50:26,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-19 23:50:26,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-19 23:50:26,536 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2023-05-19 23:50:26,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:50:26,549 INFO L203 MainTranslator]: Completed pre-run [2023-05-19 23:50:26,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2023-05-19 23:50:26,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-19 23:50:26,597 INFO L208 MainTranslator]: Completed translation [2023-05-19 23:50:26,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26 WrapperNode [2023-05-19 23:50:26,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-19 23:50:26,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 23:50:26,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 23:50:26,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 23:50:26,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,648 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 26, calls inlined = 32, statements flattened = 393 [2023-05-19 23:50:26,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 23:50:26,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 23:50:26,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 23:50:26,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 23:50:26,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 23:50:26,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 23:50:26,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 23:50:26,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 23:50:26,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (1/1) ... [2023-05-19 23:50:26,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 23:50:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:50:26,709 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) [2023-05-19 23:50:26,732 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 [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-19 23:50:26,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 23:50:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 23:50:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 23:50:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-19 23:50:26,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 23:50:26,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 23:50:26,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-19 23:50:26,741 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 23:50:26,832 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 23:50:26,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 23:50:27,299 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 23:50:27,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 23:50:27,362 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2023-05-19 23:50:27,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:50:27 BoogieIcfgContainer [2023-05-19 23:50:27,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 23:50:27,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 23:50:27,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 23:50:27,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 23:50:27,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.05 11:50:26" (1/3) ... [2023-05-19 23:50:27,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085416d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:50:27, skipping insertion in model container [2023-05-19 23:50:27,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.05 11:50:26" (2/3) ... [2023-05-19 23:50:27,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5085416d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 11:50:27, skipping insertion in model container [2023-05-19 23:50:27,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 11:50:27" (3/3) ... [2023-05-19 23:50:27,371 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2023-05-19 23:50:27,376 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 23:50:27,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 23:50:27,382 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 23:50:27,382 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 23:50:27,458 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 23:50:27,514 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:50:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 23:50:27,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 23:50:27,532 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) [2023-05-19 23:50:27,533 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 [2023-05-19 23:50:27,570 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 23:50:27,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 23:50:27,615 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;@3be93387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 23:50:27,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 23:50:30,447 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)] === [2023-05-19 23:50:30,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 23:50:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1480933105, now seen corresponding path program 1 times [2023-05-19 23:50:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 23:50:30,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732733695] [2023-05-19 23:50:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 23:50:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 23:50:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat