/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/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 02:04:38,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 02:04:38,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 02:04:38,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 02:04:38,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 02:04:38,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 02:04:38,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 02:04:38,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 02:04:38,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 02:04:38,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 02:04:38,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 02:04:38,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 02:04:38,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 02:04:38,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 02:04:38,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 02:04:38,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 02:04:38,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-05-04 02:04:38,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 02:04:38,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 02:04:38,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 02:04:38,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 02:04:38,956 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 02:04:38,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 02:04:38,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 02:04:38,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 02:04:38,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 02:04:38,958 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 02:04:38,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 02:04:38,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 02:04:38,958 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 02:04:38,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 02:04:38,959 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 02:04:38,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 02:04:38,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 02:04:38,960 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 02:04:38,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 02:04:38,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 02:04:38,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 02:04:38,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 02:04:38,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 02:04:38,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 02:04:38,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 02:04:38,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 02:04:38,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 02:04:38,962 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 02:04:38,962 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 02:04:38,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 02:04:38,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 02:04:38,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 02:04:38,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 02:04:38,963 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 02:04:38,963 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-04 02:04:39,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 02:04:39,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 02:04:39,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 02:04:39,256 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 02:04:39,257 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 02:04:39,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 02:04:39,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6d8a11c/32e94f0ead3f42ad927aa3a3fa1fde02/FLAG5c125fcfe [2023-05-04 02:04:39,776 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 02:04:39,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 02:04:39,793 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6d8a11c/32e94f0ead3f42ad927aa3a3fa1fde02/FLAG5c125fcfe [2023-05-04 02:04:39,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d6d8a11c/32e94f0ead3f42ad927aa3a3fa1fde02 [2023-05-04 02:04:39,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 02:04:39,815 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 02:04:39,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 02:04:39,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 02:04:39,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 02:04:39,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:04:39" (1/1) ... [2023-05-04 02:04:39,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df95bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:39, skipping insertion in model container [2023-05-04 02:04:39,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 02:04:39" (1/1) ... [2023-05-04 02:04:39,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 02:04:39,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 02:04:40,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-05-04 02:04:40,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 02:04:40,337 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 02:04:40,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2023-05-04 02:04:40,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 02:04:40,417 INFO L208 MainTranslator]: Completed translation [2023-05-04 02:04:40,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40 WrapperNode [2023-05-04 02:04:40,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 02:04:40,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 02:04:40,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 02:04:40,419 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 02:04:40,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,485 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 129 [2023-05-04 02:04:40,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 02:04:40,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 02:04:40,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 02:04:40,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 02:04:40,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,524 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 02:04:40,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 02:04:40,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 02:04:40,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 02:04:40,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (1/1) ... [2023-05-04 02:04:40,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 02:04:40,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 02:04:40,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 02:04:40,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 02:04:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 02:04:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 02:04:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 02:04:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 02:04:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 02:04:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-05-04 02:04:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-05-04 02:04:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-05-04 02:04:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-05-04 02:04:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-05-04 02:04:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-05-04 02:04:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 02:04:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 02:04:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 02:04:40,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 02:04:40,646 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 02:04:40,800 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 02:04:40,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 02:04:41,195 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 02:04:41,346 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 02:04:41,346 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-04 02:04:41,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:04:41 BoogieIcfgContainer [2023-05-04 02:04:41,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 02:04:41,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 02:04:41,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 02:04:41,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 02:04:41,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 02:04:39" (1/3) ... [2023-05-04 02:04:41,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c947c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:04:41, skipping insertion in model container [2023-05-04 02:04:41,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 02:04:40" (2/3) ... [2023-05-04 02:04:41,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c947c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:04:41, skipping insertion in model container [2023-05-04 02:04:41,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:04:41" (3/3) ... [2023-05-04 02:04:41,356 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019_power.oepc_pso.oepc_rmo.oepc.i [2023-05-04 02:04:41,363 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 02:04:41,371 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 02:04:41,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-05-04 02:04:41,372 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 02:04:41,451 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-05-04 02:04:41,493 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 02:04:41,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 02:04:41,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 02:04:41,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 02:04:41,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 02:04:41,542 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 02:04:41,573 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 2903 column 12: invalid get-value command, empty list of terms at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseGetValueResult(Executor.java:275) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.getValue(Scriptor.java:188) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getValue(ManagedScript.java:182) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PreferenceOrderHeuristicTest.solveLES(PreferenceOrderHeuristicTest.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PreferenceOrderHeuristicTest.computeParameterizedOrder(PreferenceOrderHeuristicTest.java:59) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.(ParameterizedPreferenceOrderUtils.java:68) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.getPreferenceOrder(PartialOrderReductionFacade.java:207) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.(PartialOrderReductionFacade.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.(PartialOrderCegarLoop.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) 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) [2023-05-04 02:04:41,582 INFO L158 Benchmark]: Toolchain (without parser) took 1765.30ms. Allocated memory was 202.4MB in the beginning and 252.7MB in the end (delta: 50.3MB). Free memory was 144.4MB in the beginning and 219.7MB in the end (delta: -75.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 02:04:41,583 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 162.2MB in the beginning and 162.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 02:04:41,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.70ms. Allocated memory is still 202.4MB. Free memory was 144.3MB in the beginning and 163.3MB in the end (delta: -19.0MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2023-05-04 02:04:41,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory is still 202.4MB. Free memory was 163.3MB in the beginning and 160.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 02:04:41,586 INFO L158 Benchmark]: Boogie Preprocessor took 50.62ms. Allocated memory is still 202.4MB. Free memory was 160.8MB in the beginning and 159.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 02:04:41,587 INFO L158 Benchmark]: RCFGBuilder took 808.73ms. Allocated memory is still 202.4MB. Free memory was 159.1MB in the beginning and 124.9MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-05-04 02:04:41,587 INFO L158 Benchmark]: TraceAbstraction took 228.90ms. Allocated memory was 202.4MB in the beginning and 252.7MB in the end (delta: 50.3MB). Free memory was 123.4MB in the beginning and 219.7MB in the end (delta: -96.3MB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 02:04:41,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 202.4MB. Free memory was 162.2MB in the beginning and 162.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 599.70ms. Allocated memory is still 202.4MB. Free memory was 144.3MB in the beginning and 163.3MB in the end (delta: -19.0MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory is still 202.4MB. Free memory was 163.3MB in the beginning and 160.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.62ms. Allocated memory is still 202.4MB. Free memory was 160.8MB in the beginning and 159.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 808.73ms. Allocated memory is still 202.4MB. Free memory was 159.1MB in the beginning and 124.9MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * TraceAbstraction took 228.90ms. Allocated memory was 202.4MB in the beginning and 252.7MB in the end (delta: 50.3MB). Free memory was 123.4MB in the beginning and 219.7MB in the end (delta: -96.3MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 2903 column 12: invalid get-value command, empty list of terms de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 2903 column 12: invalid get-value command, empty list of terms: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1458) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 02:04:41,636 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 [2023-05-04 02:04:41,818 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 1 Received shutdown request...