/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 -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/safe009_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 00:34:23,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 00:34:23,486 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 00:34:23,489 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 00:34:23,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 00:34:23,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 00:34:23,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 00:34:23,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 00:34:23,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 00:34:23,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 00:34:23,517 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 00:34:23,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 00:34:23,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 00:34:23,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 00:34:23,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 00:34:23,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 00:34:23,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 00:34:23,519 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 00:34:23,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 00:34:23,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 00:34:23,520 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 00:34:23,520 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 00:34:23,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:34:23,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 00:34:23,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 00:34:23,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 00:34:23,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 00:34:23,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 00:34:23,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 00:34:23,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 00:34:23,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 00:34:23,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 00:34:23,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 00:34:23,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 00:34:23,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 00:34:23,793 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 00:34:23,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_rmo.opt.i [2023-08-25 00:34:24,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 00:34:25,008 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 00:34:25,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_rmo.opt.i [2023-08-25 00:34:25,021 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13eba9342/ecd328a5aae944e998da66d1af6b0840/FLAGc9f363f6d [2023-08-25 00:34:25,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13eba9342/ecd328a5aae944e998da66d1af6b0840 [2023-08-25 00:34:25,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 00:34:25,033 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 00:34:25,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 00:34:25,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 00:34:25,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 00:34:25,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,036 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea14ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25, skipping insertion in model container [2023-08-25 00:34:25,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,076 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 00:34:25,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:34:25,393 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 00:34:25,419 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:34:25,420 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 00:34:25,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 00:34:25,504 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:34:25,504 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 00:34:25,509 INFO L206 MainTranslator]: Completed translation [2023-08-25 00:34:25,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25 WrapperNode [2023-08-25 00:34:25,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 00:34:25,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 00:34:25,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 00:34:25,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 00:34:25,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,560 INFO L138 Inliner]: procedures = 176, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 318 [2023-08-25 00:34:25,560 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 00:34:25,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 00:34:25,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 00:34:25,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 00:34:25,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 00:34:25,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 00:34:25,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 00:34:25,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 00:34:25,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (1/1) ... [2023-08-25 00:34:25,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 00:34:25,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 00:34:25,664 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 00:34:25,671 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 00:34:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 00:34:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 00:34:25,696 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 00:34:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 00:34:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 00:34:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 00:34:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 00:34:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 00:34:25,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 00:34:25,698 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 00:34:25,860 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 00:34:25,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 00:34:26,747 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 00:42:27,693 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 00:42:27,693 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 00:42:27,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:42:27 BoogieIcfgContainer [2023-08-25 00:42:27,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 00:42:27,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 00:42:27,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 00:42:27,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 00:42:27,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 12:34:25" (1/3) ... [2023-08-25 00:42:27,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6411c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:42:27, skipping insertion in model container [2023-08-25 00:42:27,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 12:34:25" (2/3) ... [2023-08-25 00:42:27,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6411c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 12:42:27, skipping insertion in model container [2023-08-25 00:42:27,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 12:42:27" (3/3) ... [2023-08-25 00:42:27,727 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_rmo.opt.i [2023-08-25 00:42:27,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 00:42:27,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 238 error locations. [2023-08-25 00:42:27,741 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 00:43:13,459 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 00:43:13,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 369 transitions, 753 flow [2023-08-25 00:46:24,026 INFO L124 PetriNetUnfolderBase]: 3/366 cut-off events. [2023-08-25 00:46:24,026 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 00:46:24,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 366 events. 3/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1909 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 312. Up to 2 conditions per place. [2023-08-25 00:46:24,034 INFO L82 GeneralOperation]: Start removeDead. Operand has 376 places, 369 transitions, 753 flow [2023-08-25 00:46:24,044 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 373 places, 366 transitions, 741 flow [2023-08-25 00:46:24,047 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 00:46:24,052 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 373 places, 366 transitions, 741 flow [2023-08-25 00:46:24,054 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 373 places, 366 transitions, 741 flow [2023-08-25 00:46:24,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 373 places, 366 transitions, 741 flow Received shutdown request... [2023-08-25 00:47:46,205 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 00:47:47,405 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 00:47:47,465 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