/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 -i ../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-d6e1636 [2023-01-10 17:17:59,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-10 17:17:59,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-10 17:17:59,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-01-10 17:17:59,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-10 17:17:59,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-10 17:17:59,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-10 17:17:59,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-10 17:17:59,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-10 17:17:59,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-10 17:17:59,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-10 17:17:59,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-10 17:17:59,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-10 17:17:59,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-10 17:17:59,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-10 17:17:59,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-10 17:17:59,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-10 17:17:59,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-10 17:17:59,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-10 17:17:59,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-10 17:17:59,216 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 17:17:59,245 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-10 17:17:59,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-10 17:17:59,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-10 17:17:59,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-10 17:17:59,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-10 17:17:59,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-10 17:17:59,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-10 17:17:59,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-10 17:17:59,249 INFO L138 SettingsManager]: * Use SBE=true [2023-01-10 17:17:59,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-10 17:17:59,250 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-10 17:17:59,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-10 17:17:59,251 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-10 17:17:59,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-10 17:17:59,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-10 17:17:59,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-10 17:17:59,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-10 17:17:59,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-10 17:17:59,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 17:17:59,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-10 17:17:59,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-10 17:17:59,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-10 17:17:59,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-10 17:17:59,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-10 17:17:59,253 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-10 17:17:59,253 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-10 17:17:59,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-10 17:17:59,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-10 17:17:59,254 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 17:17:59,254 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-10 17:17:59,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-10 17:17:59,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-01-10 17:17:59,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-10 17:17:59,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-10 17:17:59,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-10 17:17:59,525 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-10 17:17:59,525 INFO L275 PluginConnector]: CDTParser initialized [2023-01-10 17:17:59,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-01-10 17:18:00,646 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-10 17:18:00,900 INFO L351 CDTParser]: Found 1 translation units. [2023-01-10 17:18:00,900 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-01-10 17:18:00,911 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ae3a526/e7fa13b2111b455c81d0b669ee38ca6c/FLAGb608eedcd [2023-01-10 17:18:00,929 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24ae3a526/e7fa13b2111b455c81d0b669ee38ca6c [2023-01-10 17:18:00,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-10 17:18:00,932 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-10 17:18:00,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-10 17:18:00,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-10 17:18:00,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-10 17:18:00,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:18:00" (1/1) ... [2023-01-10 17:18:00,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25128b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:00, skipping insertion in model container [2023-01-10 17:18:00,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 05:18:00" (1/1) ... [2023-01-10 17:18:00,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-10 17:18:00,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-10 17:18:01,103 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/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2023-01-10 17:18:01,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 17:18:01,284 INFO L203 MainTranslator]: Completed pre-run [2023-01-10 17:18:01,295 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/mix003_power.opt_pso.opt_rmo.opt_tso.opt.i[974,987] [2023-01-10 17:18:01,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-10 17:18:01,391 WARN L663 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 17:18:01,392 WARN L663 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-10 17:18:01,398 INFO L208 MainTranslator]: Completed translation [2023-01-10 17:18:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01 WrapperNode [2023-01-10 17:18:01,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-10 17:18:01,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-10 17:18:01,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-10 17:18:01,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-10 17:18:01,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,475 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 151 [2023-01-10 17:18:01,476 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-10 17:18:01,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-10 17:18:01,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-10 17:18:01,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-10 17:18:01,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-10 17:18:01,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-10 17:18:01,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-10 17:18:01,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-10 17:18:01,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (1/1) ... [2023-01-10 17:18:01,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-10 17:18:01,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:18:01,568 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 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-10 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-10 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-10 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-10 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-10 17:18:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-01-10 17:18:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-01-10 17:18:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-01-10 17:18:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-01-10 17:18:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-01-10 17:18:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-01-10 17:18:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-10 17:18:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-10 17:18:01,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-10 17:18:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-10 17:18:01,606 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 17:18:01,577 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 17:18:01,810 INFO L236 CfgBuilder]: Building ICFG [2023-01-10 17:18:01,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-10 17:18:02,100 INFO L277 CfgBuilder]: Performing block encoding [2023-01-10 17:18:02,367 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-10 17:18:02,367 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-10 17:18:02,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:18:02 BoogieIcfgContainer [2023-01-10 17:18:02,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-10 17:18:02,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-10 17:18:02,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-10 17:18:02,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-10 17:18:02,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 05:18:00" (1/3) ... [2023-01-10 17:18:02,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2caa86fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:18:02, skipping insertion in model container [2023-01-10 17:18:02,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 05:18:01" (2/3) ... [2023-01-10 17:18:02,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2caa86fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 05:18:02, skipping insertion in model container [2023-01-10 17:18:02,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 05:18:02" (3/3) ... [2023-01-10 17:18:02,385 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003_power.opt_pso.opt_rmo.opt_tso.opt.i [2023-01-10 17:18:02,393 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-10 17:18:02,402 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-10 17:18:02,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-10 17:18:02,403 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-10 17:18:02,482 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-10 17:18:02,536 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:18:02,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-10 17:18:02,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-10 17:18:02,543 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 17:18:02,545 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 17:18:02,614 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:18:02,622 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-10 17:18:02,622 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-10 17:18:02,622 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-10 17:18:02,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-01-10 17:18:02,637 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;@505136d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-10 17:18:02,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-10 17:18:02,645 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2023-01-10 17:18:02,647 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 17:18:02,653 INFO L158 Benchmark]: Toolchain (without parser) took 1719.92ms. Allocated memory is still 285.2MB. Free memory was 243.2MB in the beginning and 157.9MB in the end (delta: 85.3MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,654 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-10 17:18:02,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.36ms. Allocated memory is still 285.2MB. Free memory was 242.8MB in the beginning and 219.2MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.66ms. Allocated memory is still 285.2MB. Free memory was 219.2MB in the beginning and 216.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,656 INFO L158 Benchmark]: Boogie Preprocessor took 53.17ms. Allocated memory is still 285.2MB. Free memory was 216.6MB in the beginning and 214.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,657 INFO L158 Benchmark]: RCFGBuilder took 839.31ms. Allocated memory is still 285.2MB. Free memory was 214.5MB in the beginning and 174.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,660 INFO L158 Benchmark]: TraceAbstraction took 279.86ms. Allocated memory is still 285.2MB. Free memory was 174.2MB in the beginning and 157.9MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-01-10 17:18:02,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 187.7MB. Free memory is still 133.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 465.36ms. Allocated memory is still 285.2MB. Free memory was 242.8MB in the beginning and 219.2MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.66ms. Allocated memory is still 285.2MB. Free memory was 219.2MB in the beginning and 216.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.17ms. Allocated memory is still 285.2MB. Free memory was 216.6MB in the beginning and 214.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 839.31ms. Allocated memory is still 285.2MB. Free memory was 214.5MB in the beginning and 174.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * TraceAbstraction took 279.86ms. Allocated memory is still 285.2MB. Free memory was 174.2MB in the beginning and 157.9MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade$SleepBlockedStatistics.computeSleepBlocked(PartialOrderReductionFacade.java:493) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-01-10 17:18:02,692 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 17:18:02,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...