/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/mix008.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-24 19:12:45,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-24 19:12:45,829 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 [2023-08-24 19:12:45,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-24 19:12:45,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-24 19:12:45,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-24 19:12:45,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-24 19:12:45,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-24 19:12:45,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-24 19:12:45,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-24 19:12:45,875 INFO L153 SettingsManager]: * Use SBE=true [2023-08-24 19:12:45,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-24 19:12:45,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-24 19:12:45,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-24 19:12:45,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-24 19:12:45,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-24 19:12:45,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-24 19:12:45,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-24 19:12:45,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-24 19:12:45,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-24 19:12:45,878 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-24 19:12:45,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-24 19:12:45,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-24 19:12:45,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-24 19:12:45,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-24 19:12:45,879 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-24 19:12:45,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-24 19:12:45,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 19:12:45,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-24 19:12:45,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-24 19:12:45,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-24 19:12:45,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-24 19:12:45,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-24 19:12:45,882 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-24 19:12:45,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-24 19:12:45,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-24 19:12:46,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-24 19:12:46,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-24 19:12:46,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-24 19:12:46,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-24 19:12:46,212 INFO L274 PluginConnector]: CDTParser initialized [2023-08-24 19:12:46,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2023-08-24 19:12:47,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-24 19:12:47,604 INFO L384 CDTParser]: Found 1 translation units. [2023-08-24 19:12:47,605 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008.opt.i [2023-08-24 19:12:47,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d6a7468/f410fec99c5244c4b3a9d730cacfb435/FLAGa139bfc71 [2023-08-24 19:12:47,641 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8d6a7468/f410fec99c5244c4b3a9d730cacfb435 [2023-08-24 19:12:47,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-24 19:12:47,645 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-24 19:12:47,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-24 19:12:47,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-24 19:12:47,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-24 19:12:47,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 07:12:47" (1/1) ... [2023-08-24 19:12:47,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f00718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:47, skipping insertion in model container [2023-08-24 19:12:47,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 07:12:47" (1/1) ... [2023-08-24 19:12:47,698 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-24 19:12:48,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 19:12:48,013 INFO L201 MainTranslator]: Completed pre-run [2023-08-24 19:12:48,042 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-24 19:12:48,044 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-24 19:12:48,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-24 19:12:48,149 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-24 19:12:48,149 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-24 19:12:48,155 INFO L206 MainTranslator]: Completed translation [2023-08-24 19:12:48,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48 WrapperNode [2023-08-24 19:12:48,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-24 19:12:48,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-24 19:12:48,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-24 19:12:48,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-24 19:12:48,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,254 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 987 [2023-08-24 19:12:48,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-24 19:12:48,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-24 19:12:48,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-24 19:12:48,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-24 19:12:48,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-24 19:12:48,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-24 19:12:48,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-24 19:12:48,345 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-24 19:12:48,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (1/1) ... [2023-08-24 19:12:48,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-24 19:12:48,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-24 19:12:48,382 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) [2023-08-24 19:12:48,400 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 [2023-08-24 19:12:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-24 19:12:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-24 19:12:48,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-24 19:12:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-24 19:12:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-24 19:12:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-24 19:12:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-24 19:12:48,424 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-24 19:12:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-24 19:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-24 19:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-24 19:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-24 19:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-24 19:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-24 19:12:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-24 19:12:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-24 19:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-24 19:12:48,429 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-24 19:12:48,636 INFO L236 CfgBuilder]: Building ICFG [2023-08-24 19:12:48,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-24 19:12:49,876 INFO L277 CfgBuilder]: Performing block encoding [2023-08-24 19:23:35,295 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-24 19:23:35,295 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-24 19:23:35,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 07:23:35 BoogieIcfgContainer [2023-08-24 19:23:35,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-24 19:23:35,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-24 19:23:35,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-24 19:23:35,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-24 19:23:35,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 07:12:47" (1/3) ... [2023-08-24 19:23:35,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a852624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 07:23:35, skipping insertion in model container [2023-08-24 19:23:35,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 07:12:48" (2/3) ... [2023-08-24 19:23:35,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a852624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 07:23:35, skipping insertion in model container [2023-08-24 19:23:35,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 07:23:35" (3/3) ... [2023-08-24 19:23:35,310 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008.opt.i [2023-08-24 19:23:35,327 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-24 19:23:35,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 297 error locations. [2023-08-24 19:23:35,329 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-24 19:24:24,993 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-24 19:24:25,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 432 transitions, 884 flow [2023-08-24 19:25:09,774 INFO L124 PetriNetUnfolderBase]: 3/428 cut-off events. [2023-08-24 19:25:09,774 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-24 19:25:09,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 428 events. 3/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2595 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 389. Up to 2 conditions per place. [2023-08-24 19:25:09,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 442 places, 432 transitions, 884 flow [2023-08-24 19:25:09,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 438 places, 428 transitions, 868 flow [2023-08-24 19:25:09,808 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-24 19:25:09,820 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 428 transitions, 868 flow [2023-08-24 19:25:09,827 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 428 transitions, 868 flow [2023-08-24 19:25:09,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 438 places, 428 transitions, 868 flow Received shutdown request... [2023-08-24 19:25:32,620 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 [2023-08-24 19:25:33,821 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 [2023-08-24 19:25:33,871 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