/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/pthread-wmm/safe025_power.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 15:44:42,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 15:44:42,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 15:44:42,915 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 15:44:42,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 15:44:42,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 15:44:42,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 15:44:42,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 15:44:42,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 15:44:42,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 15:44:42,954 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 15:44:42,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 15:44:42,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 15:44:42,955 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 15:44:42,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 15:44:42,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 15:44:42,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 15:44:42,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 15:44:42,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 15:44:42,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 15:44:42,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 15:44:42,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 15:44:42,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 15:44:42,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 15:44:42,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 15:44:42,965 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 15:44:42,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 15:44:42,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:44:42,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 15:44:42,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 15:44:42,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 15:44:42,967 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 15:44:42,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 15:44:42,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 15:44:42,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 15:44:42,968 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 15:44:43,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 15:44:43,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 15:44:43,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 15:44:43,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 15:44:43,296 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 15:44:43,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe025_power.i [2023-08-25 15:44:44,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 15:44:44,853 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 15:44:44,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe025_power.i [2023-08-25 15:44:44,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d868769e/c3e2e791b44c477a9058f93e72ddfd2a/FLAGf3b6c095e [2023-08-25 15:44:44,894 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d868769e/c3e2e791b44c477a9058f93e72ddfd2a [2023-08-25 15:44:44,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 15:44:44,898 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 15:44:44,899 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 15:44:44,899 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 15:44:44,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 15:44:44,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:44:44" (1/1) ... [2023-08-25 15:44:44,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40947e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:44, skipping insertion in model container [2023-08-25 15:44:44,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:44:44" (1/1) ... [2023-08-25 15:44:44,957 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 15:44:45,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:44:45,441 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 15:44:45,476 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:44:45,478 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:44:45,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:44:45,612 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:44:45,613 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:44:45,619 INFO L206 MainTranslator]: Completed translation [2023-08-25 15:44:45,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45 WrapperNode [2023-08-25 15:44:45,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 15:44:45,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 15:44:45,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 15:44:45,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 15:44:45,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,678 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,721 INFO L138 Inliner]: procedures = 176, calls = 87, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 1109 [2023-08-25 15:44:45,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 15:44:45,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 15:44:45,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 15:44:45,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 15:44:45,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 15:44:45,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 15:44:45,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 15:44:45,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 15:44:45,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (1/1) ... [2023-08-25 15:44:45,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:44:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 15:44:45,856 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) [2023-08-25 15:44:45,888 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 [2023-08-25 15:44:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 15:44:45,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 15:44:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 15:44:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 15:44:45,904 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 15:44:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 15:44:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 15:44:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 15:44:45,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 15:44:45,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 15:44:45,908 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 15:44:46,156 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 15:44:46,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 15:44:48,064 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 15:55:21,699 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 15:55:21,699 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 15:55:21,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:55:21 BoogieIcfgContainer [2023-08-25 15:55:21,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 15:55:21,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 15:55:21,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 15:55:21,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 15:55:21,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:44:44" (1/3) ... [2023-08-25 15:55:21,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea970e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:55:21, skipping insertion in model container [2023-08-25 15:55:21,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:44:45" (2/3) ... [2023-08-25 15:55:21,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea970e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:55:21, skipping insertion in model container [2023-08-25 15:55:21,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:55:21" (3/3) ... [2023-08-25 15:55:21,709 INFO L112 eAbstractionObserver]: Analyzing ICFG safe025_power.i [2023-08-25 15:55:21,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 15:55:21,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 484 error locations. [2023-08-25 15:55:21,726 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 15:56:02,639 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 15:56:02,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 623 places, 616 transitions, 1247 flow Received shutdown request... [2023-08-25 15:57:20,041 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-25 15:57:21,242 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-08-25 15:57:21,281 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 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown