/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/mix005.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 08:59:25,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 08:59:25,142 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 08:59:25,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 08:59:25,148 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 08:59:25,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 08:59:25,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 08:59:25,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 08:59:25,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 08:59:25,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 08:59:25,182 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 08:59:25,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 08:59:25,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 08:59:25,184 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 08:59:25,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 08:59:25,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 08:59:25,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 08:59:25,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 08:59:25,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 08:59:25,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 08:59:25,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 08:59:25,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 08:59:25,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 08:59:25,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 08:59:25,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 08:59:25,188 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 08:59:25,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 08:59:25,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 08:59:25,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 08:59:25,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 08:59:25,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 08:59:25,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 08:59:25,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 08:59:25,190 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 08:59:25,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 08:59:25,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 08:59:25,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 08:59:25,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 08:59:25,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 08:59:25,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 08:59:25,527 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 08:59:25,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2023-08-25 08:59:26,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 08:59:27,011 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 08:59:27,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005.opt.i [2023-08-25 08:59:27,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256bb57a0/23bb6451222a4a1ea0f60157b334a817/FLAGc8f8bfe40 [2023-08-25 08:59:27,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/256bb57a0/23bb6451222a4a1ea0f60157b334a817 [2023-08-25 08:59:27,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 08:59:27,040 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 08:59:27,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 08:59:27,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 08:59:27,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 08:59:27,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2eb83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27, skipping insertion in model container [2023-08-25 08:59:27,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 08:59:27,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 08:59:27,428 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 08:59:27,454 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 08:59:27,456 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 08:59:27,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 08:59:27,568 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 08:59:27,568 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 08:59:27,574 INFO L206 MainTranslator]: Completed translation [2023-08-25 08:59:27,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27 WrapperNode [2023-08-25 08:59:27,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 08:59:27,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 08:59:27,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 08:59:27,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 08:59:27,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,670 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 988 [2023-08-25 08:59:27,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 08:59:27,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 08:59:27,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 08:59:27,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 08:59:27,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 08:59:27,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 08:59:27,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 08:59:27,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 08:59:27,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (1/1) ... [2023-08-25 08:59:27,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 08:59:27,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 08:59:27,779 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 08:59:27,812 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 08:59:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 08:59:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 08:59:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 08:59:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 08:59:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 08:59:27,824 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 08:59:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-25 08:59:27,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-25 08:59:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 08:59:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 08:59:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 08:59:27,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 08:59:27,828 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 08:59:28,030 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 08:59:28,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 08:59:29,217 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 09:10:58,879 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 09:10:58,880 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 09:10:58,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:10:58 BoogieIcfgContainer [2023-08-25 09:10:58,882 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 09:10:58,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 09:10:58,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 09:10:58,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 09:10:58,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 08:59:27" (1/3) ... [2023-08-25 09:10:58,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efc003a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:10:58, skipping insertion in model container [2023-08-25 09:10:58,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 08:59:27" (2/3) ... [2023-08-25 09:10:58,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6efc003a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 09:10:58, skipping insertion in model container [2023-08-25 09:10:58,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 09:10:58" (3/3) ... [2023-08-25 09:10:58,889 INFO L112 eAbstractionObserver]: Analyzing ICFG mix005.opt.i [2023-08-25 09:10:58,902 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 09:10:58,902 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 298 error locations. [2023-08-25 09:10:58,902 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 09:11:34,654 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 09:11:34,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 444 places, 434 transitions, 888 flow Received shutdown request... [2023-08-25 09:12:21,217 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 09:12:22,418 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 09:12:22,445 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