/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 PROGRAM_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/mix020.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 23:54:22,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 23:54:22,658 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 23:54:22,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 23:54:22,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 23:54:22,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 23:54:22,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 23:54:22,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 23:54:22,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 23:54:22,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 23:54:22,689 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 23:54:22,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 23:54:22,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 23:54:22,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 23:54:22,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 23:54:22,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 23:54:22,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 23:54:22,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 23:54:22,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 23:54:22,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 23:54:22,694 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 23:54:22,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 23:54:22,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 23:54:22,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 23:54:22,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 23:54:22,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 23:54:22,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 23:54:22,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 23:54:22,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 23:54:22,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 23:54:22,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 23:54:22,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 23:54:22,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 23:54:22,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 23:54:22,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 23:54:22,975 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 23:54:22,976 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-25 23:54:24,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 23:54:24,219 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 23:54:24,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-25 23:54:24,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6622c938/a8d676ed0dd649aeb50ccad8f34ace80/FLAGcdca2206f [2023-08-25 23:54:24,238 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6622c938/a8d676ed0dd649aeb50ccad8f34ace80 [2023-08-25 23:54:24,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 23:54:24,240 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 23:54:24,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 23:54:24,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 23:54:24,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 23:54:24,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d1335d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24, skipping insertion in model container [2023-08-25 23:54:24,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,292 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 23:54:24,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 23:54:24,624 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 23:54:24,636 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 23:54:24,638 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 23:54:24,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 23:54:24,710 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 23:54:24,710 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 23:54:24,715 INFO L206 MainTranslator]: Completed translation [2023-08-25 23:54:24,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24 WrapperNode [2023-08-25 23:54:24,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 23:54:24,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 23:54:24,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 23:54:24,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 23:54:24,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,780 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 981 [2023-08-25 23:54:24,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 23:54:24,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 23:54:24,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 23:54:24,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 23:54:24,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 23:54:24,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 23:54:24,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 23:54:24,823 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 23:54:24,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 11:54:24" (1/1) ... [2023-08-25 23:54:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 23:54:24,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 23:54:24,888 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 23:54:24,913 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 23:54:24,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 23:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 23:54:24,918 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 23:54:24,918 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 23:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 23:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-25 23:54:24,919 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-25 23:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 23:54:24,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 23:54:24,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 23:54:24,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 23:54:24,922 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 23:54:25,077 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 23:54:25,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 23:54:26,121 INFO L277 CfgBuilder]: Performing block encoding Received shutdown request... [2023-08-26 00:08:34,656 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder. Reason: Timeout or Toolchain cancelled by user [2023-08-26 00:08:34,662 INFO L158 Benchmark]: Toolchain (without parser) took 850416.92ms. Allocated memory was 375.4MB in the beginning and 12.3GB in the end (delta: 12.0GB). Free memory was 350.3MB in the beginning and 8.2GB in the end (delta: -7.8GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-08-26 00:08:34,662 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory was 353.6MB in the beginning and 353.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 00:08:34,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 477.00ms. Allocated memory is still 375.4MB. Free memory was 350.3MB in the beginning and 322.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-26 00:08:34,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.98ms. Allocated memory is still 375.4MB. Free memory was 322.3MB in the beginning and 317.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 00:08:34,665 INFO L158 Benchmark]: Boogie Preprocessor took 41.08ms. Allocated memory is still 375.4MB. Free memory was 317.5MB in the beginning and 312.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 00:08:34,666 INFO L158 Benchmark]: RCFGBuilder took 849833.99ms. Allocated memory was 375.4MB in the beginning and 12.3GB in the end (delta: 12.0GB). Free memory was 312.6MB in the beginning and 8.2GB in the end (delta: -7.9GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. [2023-08-26 00:08:34,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2023-08-26 00:08:34,686 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 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 375.4MB. Free memory was 353.6MB in the beginning and 353.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 477.00ms. Allocated memory is still 375.4MB. Free memory was 350.3MB in the beginning and 322.3MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 61.98ms. Allocated memory is still 375.4MB. Free memory was 322.3MB in the beginning and 317.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 41.08ms. Allocated memory is still 375.4MB. Free memory was 317.5MB in the beginning and 312.6MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 849833.99ms. Allocated memory was 375.4MB in the beginning and 12.3GB in the end (delta: 12.0GB). Free memory was 312.6MB in the beginning and 8.2GB in the end (delta: -7.9GB). Peak memory consumption was 6.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder) Toolchain cancelled while XnfDer was eliminating 11956 quantified variables from 9 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown