./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:19,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:19,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:19,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:19,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:19,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:19,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:19,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:19,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:19,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:19,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:19,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:19,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:19,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:19,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:19,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:19,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:19,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:19,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:19,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:19,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:19,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:19,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:19,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:19,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:19,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:19,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:19,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:19,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:19,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:19,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:19,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:19,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:19,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:19,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:19,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:19,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:19,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:19,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:19,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:19,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:19,433 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:20:19,448 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:19,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:19,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:19,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:19,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:19,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:19,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:19,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:19,451 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:19,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:19,451 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:19,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:19,453 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:19,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:19,453 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:19,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:19,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:19,454 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:19,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:19,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:19,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:19,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:19,455 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:19,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:19,456 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:19,456 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:19,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:19,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:19,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:19,727 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:19,728 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:19,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:20,804 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:21,068 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:21,069 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:21,079 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a8da71a/3bc03321a3b0432a91715cc5458aec49/FLAGdf3136205 [2023-08-30 22:20:21,095 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a8da71a/3bc03321a3b0432a91715cc5458aec49 [2023-08-30 22:20:21,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:21,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:21,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:21,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:21,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:21,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ec462b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21, skipping insertion in model container [2023-08-30 22:20:21,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:21,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:21,356 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2023-08-30 22:20:21,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:21,370 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:21,410 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2023-08-30 22:20:21,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:21,440 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:21,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21 WrapperNode [2023-08-30 22:20:21,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:21,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:21,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:21,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,495 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 102 [2023-08-30 22:20:21,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:21,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:21,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:21,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:21,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,533 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:21,534 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:21,534 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:21,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:21,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (1/1) ... [2023-08-30 22:20:21,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:21,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:21,570 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) [2023-08-30 22:20:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:20:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:21,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:20:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:20:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:21,598 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:20:21,593 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 [2023-08-30 22:20:21,740 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:21,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:21,865 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:21,898 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:21,899 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:21,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:21 BoogieIcfgContainer [2023-08-30 22:20:21,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:21,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:21,902 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:21,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:21,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:21" (1/3) ... [2023-08-30 22:20:21,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f49c059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:21, skipping insertion in model container [2023-08-30 22:20:21,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:21" (2/3) ... [2023-08-30 22:20:21,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f49c059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:21, skipping insertion in model container [2023-08-30 22:20:21,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:21" (3/3) ... [2023-08-30 22:20:21,905 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:21,910 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:21,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:21,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:21,916 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:21,955 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:21,969 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:21,974 INFO L158 Benchmark]: Toolchain (without parser) took 875.71ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 72.0MB in the end (delta: -1.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,974 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:21,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 50.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.26ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 73.9MB in the end (delta: -23.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,976 INFO L158 Benchmark]: Boogie Preprocessor took 37.31ms. Allocated memory is still 94.4MB. Free memory was 73.9MB in the beginning and 72.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,977 INFO L158 Benchmark]: RCFGBuilder took 366.62ms. Allocated memory is still 94.4MB. Free memory was 72.6MB in the beginning and 53.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,978 INFO L158 Benchmark]: TraceAbstraction took 71.47ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 72.0MB in the end (delta: -19.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,983 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.03ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 50.8MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.26ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 73.9MB in the end (delta: -23.1MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.31ms. Allocated memory is still 94.4MB. Free memory was 73.9MB in the beginning and 72.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.62ms. Allocated memory is still 94.4MB. Free memory was 72.6MB in the beginning and 53.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 71.47ms. Allocated memory is still 94.4MB. Free memory was 52.6MB in the beginning and 72.0MB in the end (delta: -19.4MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:22,019 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:20:23,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:23,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:23,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:23,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:23,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:23,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:23,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:23,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:23,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:23,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:23,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:23,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:23,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:23,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:23,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:23,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:23,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:23,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:23,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:23,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:23,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:23,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:23,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:23,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:23,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:23,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:23,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:23,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:23,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:23,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:23,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:23,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:23,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:23,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:23,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:23,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:23,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:23,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:23,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:23,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:23,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:20:23,933 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:23,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:23,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:23,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:23,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:23,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:23,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:23,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:23,936 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:23,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:23,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:23,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:23,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:23,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:23,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:20:23,940 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:23,941 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:24,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:24,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:24,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:24,223 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:24,224 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:24,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:25,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:25,377 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:25,378 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:25,384 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f066c957/4bc4251dd2984c118ea943e9004ccd24/FLAGc6ef23ed7 [2023-08-30 22:20:25,396 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f066c957/4bc4251dd2984c118ea943e9004ccd24 [2023-08-30 22:20:25,397 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:25,398 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:25,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:25,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:25,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:25,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2075957b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25, skipping insertion in model container [2023-08-30 22:20:25,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:25,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:25,618 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2023-08-30 22:20:25,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:25,636 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:25,686 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2023-08-30 22:20:25,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:25,735 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:25,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25 WrapperNode [2023-08-30 22:20:25,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:25,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:25,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:25,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:25,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,788 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2023-08-30 22:20:25,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:25,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:25,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:25,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:25,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:25,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:25,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:25,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:25,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (1/1) ... [2023-08-30 22:20:25,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:25,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:25,886 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) [2023-08-30 22:20:25,904 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 [2023-08-30 22:20:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:20:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:20:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:20:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:20:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:25,915 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:20:26,048 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:26,049 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:26,229 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:26,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:26,278 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:26,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:26 BoogieIcfgContainer [2023-08-30 22:20:26,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:26,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:26,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:26,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:26,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:25" (1/3) ... [2023-08-30 22:20:26,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0072ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:26, skipping insertion in model container [2023-08-30 22:20:26,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:25" (2/3) ... [2023-08-30 22:20:26,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0072ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:26, skipping insertion in model container [2023-08-30 22:20:26,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:26" (3/3) ... [2023-08-30 22:20:26,293 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2023-08-30 22:20:26,298 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:26,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:26,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:26,306 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:26,365 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:26,375 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:20:26,378 INFO L158 Benchmark]: Toolchain (without parser) took 979.24ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 35.6MB in the end (delta: 15.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-08-30 22:20:26,378 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:26,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.32ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:26,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.67ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 47.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:26,379 INFO L158 Benchmark]: Boogie Preprocessor took 44.01ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:26,379 INFO L158 Benchmark]: RCFGBuilder took 446.50ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 45.7MB in the end (delta: -404.0kB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-30 22:20:26,380 INFO L158 Benchmark]: TraceAbstraction took 95.37ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 35.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:20:26,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.32ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.67ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 47.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.01ms. Allocated memory is still 75.5MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.50ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 45.7MB in the end (delta: -404.0kB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 95.37ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 35.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:26,398 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 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE