/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.pointer.base.address.is.valid.at.dereference ASSERTandASSUME --cacsl2boogietranslator.pointer.to.allocated.memory.at.dereference ASSERTandASSUME --cacsl2boogietranslator.check.array.bounds.for.arrays.that.are.off.heap ASSERTandASSUME --cacsl2boogietranslator.check.if.freed.pointer.was.valid true --cacsl2boogietranslator.adapt.memory.model.on.pointer.casts.if.necessary true -i ../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 19:06:56,803 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-01-10 19:06:56,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 19:06:56,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 19:06:56,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 19:06:56,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf [2023-01-10 19:06:56,924 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 19:06:56,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 19:06:56,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 19:06:56,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 19:06:56,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 19:06:56,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 19:06:56,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 19:06:56,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 19:06:56,927 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 19:06:56,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 19:06:56,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 19:06:56,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 19:06:56,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 19:06:56,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 19:06:56,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 19:06:56,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 19:06:56,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 19:06:56,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 19:06:56,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 19:06:56,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-10 19:06:56,932 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer base address is valid at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Pointer to allocated memory at dereference -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check array bounds for arrays that are off heap -> ASSERTandASSUME Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check if freed pointer was valid -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Adapt memory model on pointer casts if necessary -> true [2023-01-10 19:06:57,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 19:06:57,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 19:06:57,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 19:06:57,175 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 19:06:57,177 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 19:06:57,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i [2023-01-10 19:06:58,350 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 19:06:58,616 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 19:06:58,620 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i [2023-01-10 19:06:58,642 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f783ec9a6/499b84b13d2643079f33b027ed3d0f00/FLAG45c2864dc [2023-01-10 19:06:58,668 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f783ec9a6/499b84b13d2643079f33b027ed3d0f00 [2023-01-10 19:06:58,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 19:06:58,672 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 19:06:58,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 19:06:58,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 19:06:58,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 19:06:58,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:06:58" (1/1) ... [2023-01-10 19:06:58,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7ccd62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:58, skipping insertion in model container [2023-01-10 19:06:58,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 07:06:58" (1/1) ... [2023-01-10 19:06:58,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 19:06:58,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 19:06:58,862 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i[949,962] [2023-01-10 19:06:59,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 19:06:59,122 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 19:06:59,132 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i[949,962] [2023-01-10 19:06:59,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 19:06:59,201 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 19:06:59,201 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 19:06:59,207 INFO L208 MainTranslator]: Completed translation [2023-01-10 19:06:59,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59 WrapperNode [2023-01-10 19:06:59,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 19:06:59,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 19:06:59,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 19:06:59,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 19:06:59,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,305 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 282 [2023-01-10 19:06:59,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 19:06:59,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 19:06:59,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 19:06:59,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 19:06:59,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,363 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 19:06:59,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 19:06:59,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 19:06:59,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 19:06:59,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (1/1) ... [2023-01-10 19:06:59,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 19:06:59,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 19:06:59,430 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) [2023-01-10 19:06:59,451 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 [2023-01-10 19:06:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 19:06:59,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-01-10 19:06:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-01-10 19:06:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-01-10 19:06:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-01-10 19:06:59,470 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-01-10 19:06:59,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-01-10 19:06:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 19:06:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 19:06:59,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 19:06:59,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 19:06:59,472 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-10 19:06:59,655 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 19:06:59,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 19:07:00,151 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 19:07:00,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 19:07:00,346 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 19:07:00,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:07:00 BoogieIcfgContainer [2023-01-10 19:07:00,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 19:07:00,350 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 19:07:00,350 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 19:07:00,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 19:07:00,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 07:06:58" (1/3) ... [2023-01-10 19:07:00,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ef82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:07:00, skipping insertion in model container [2023-01-10 19:07:00,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 07:06:59" (2/3) ... [2023-01-10 19:07:00,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f2ef82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 07:07:00, skipping insertion in model container [2023-01-10 19:07:00,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 07:07:00" (3/3) ... [2023-01-10 19:07:00,354 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008_tso.oepc.i [2023-01-10 19:07:00,361 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 19:07:00,369 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 19:07:00,369 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-01-10 19:07:00,369 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 19:07:00,422 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-10 19:07:00,459 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 19:07:00,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 19:07:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 19:07:00,465 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) [2023-01-10 19:07:00,471 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 [2023-01-10 19:07:00,502 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 19:07:00,510 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-10 19:07:00,510 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-10 19:07:00,510 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-10 19:07:00,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE ======== [2023-01-10 19:07:00,532 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;@5e80329b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 19:07:00,532 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 19:07:00,650 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade$SleepBlockedStatistics.computeSleepBlocked(PartialOrderReductionFacade.java:493) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade$SleepBlockedStatistics.(PartialOrderReductionFacade.java:485) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:335) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:404) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-01-10 19:07:00,657 INFO L158 Benchmark]: Toolchain (without parser) took 1983.81ms. Allocated memory is still 274.7MB. Free memory was 222.7MB in the beginning and 90.1MB in the end (delta: 132.6MB). Peak memory consumption was 132.1MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,657 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 173.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 19:07:00,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.63ms. Allocated memory is still 274.7MB. Free memory was 222.7MB in the beginning and 194.3MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.28ms. Allocated memory is still 274.7MB. Free memory was 194.3MB in the beginning and 190.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,689 INFO L158 Benchmark]: Boogie Preprocessor took 65.08ms. Allocated memory is still 274.7MB. Free memory was 190.2MB in the beginning and 187.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,689 INFO L158 Benchmark]: RCFGBuilder took 968.99ms. Allocated memory is still 274.7MB. Free memory was 187.6MB in the beginning and 114.7MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,690 INFO L158 Benchmark]: TraceAbstraction took 305.69ms. Allocated memory is still 274.7MB. Free memory was 114.2MB in the beginning and 90.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-01-10 19:07:00,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 173.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 532.63ms. Allocated memory is still 274.7MB. Free memory was 222.7MB in the beginning and 194.3MB in the end (delta: 28.4MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 98.28ms. Allocated memory is still 274.7MB. Free memory was 194.3MB in the beginning and 190.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.08ms. Allocated memory is still 274.7MB. Free memory was 190.2MB in the beginning and 187.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 968.99ms. Allocated memory is still 274.7MB. Free memory was 187.6MB in the beginning and 114.7MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 8.0GB. * TraceAbstraction took 305.69ms. Allocated memory is still 274.7MB. Free memory was 114.2MB in the beginning and 90.1MB in the end (delta: 24.1MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade$SleepBlockedStatistics.computeSleepBlocked(PartialOrderReductionFacade.java:493) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-01-10 19:07:00,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-10 19:07:00,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...