./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.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 overflows 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-Overflow-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 ! overflow) ) --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 12:17:55,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:55,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:55,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:55,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:55,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:55,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:55,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:55,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:55,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:55,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:55,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:55,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:55,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:55,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:55,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:55,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:55,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:55,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:55,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:55,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:55,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:55,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:55,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:55,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:55,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:55,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:55,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:55,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:55,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:55,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:55,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:55,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:55,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:55,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:55,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:55,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:55,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:55,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:55,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:55,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:55,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:17:55,601 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:55,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:55,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:55,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:55,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:55,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:55,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:55,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:55,605 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:55,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:55,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:55,607 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:55,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:55,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:55,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:55,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:55,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:55,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:55,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:55,609 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:55,609 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:17:55,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:17:55,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:55,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:55,610 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:55,610 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:55,610 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:55,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:55,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:55,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:55,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:55,948 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:55,948 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:55,950 INFO L432 ainManager$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 12:17:57,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:57,480 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:57,481 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 12:17:57,493 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f501e86cc/46714f5bb391422fb91a237a467a66c8/FLAG295bf4108 [2023-08-30 12:17:57,507 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f501e86cc/46714f5bb391422fb91a237a467a66c8 [2023-08-30 12:17:57,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:57,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:57,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:57,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:57,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:57,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:57,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6827a1be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57, skipping insertion in model container [2023-08-30 12:17:57,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:57,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:57,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:57,834 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 12:17:57,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:57,848 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:57,898 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 12:17:57,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:57,943 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:57,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57 WrapperNode [2023-08-30 12:17:57,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:57,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:57,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:57,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:57,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:57,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,008 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 112 [2023-08-30 12:17:58,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:58,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:58,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:58,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:58,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:58,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:58,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:58,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:58,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (1/1) ... [2023-08-30 12:17:58,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:58,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:58,094 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 12:17:58,118 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 12:17:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:17:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 12:17:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 12:17:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:17:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:17:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:58,132 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 12:17:58,234 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:58,236 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:58,457 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:58,555 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:58,555 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:17:58,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:58 BoogieIcfgContainer [2023-08-30 12:17:58,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:58,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:58,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:58,561 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:57" (1/3) ... [2023-08-30 12:17:58,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa0c020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:58, skipping insertion in model container [2023-08-30 12:17:58,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:57" (2/3) ... [2023-08-30 12:17:58,563 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa0c020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:58, skipping insertion in model container [2023-08-30 12:17:58,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:58" (3/3) ... [2023-08-30 12:17:58,564 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2023-08-30 12:17:58,570 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:58,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:58,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:17:58,579 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:58,632 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:17:58,638 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 12:17:58,642 INFO L158 Benchmark]: Toolchain (without parser) took 1130.88ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.6MB in the beginning and 51.8MB in the end (delta: -6.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,643 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:58,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.12ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 61.4MB in the end (delta: -16.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.30ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,645 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,646 INFO L158 Benchmark]: RCFGBuilder took 497.28ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 62.4MB in the end (delta: -4.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,646 INFO L158 Benchmark]: TraceAbstraction took 81.80ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 51.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:17:58,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 69.2MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.12ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 45.4MB in the beginning and 61.4MB in the end (delta: -16.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.30ms. Allocated memory is still 88.1MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 58.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.28ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 62.4MB in the end (delta: -4.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 81.80ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 51.8MB in the end (delta: 10.2MB). 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 12:17:58,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-Overflow-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 ! overflow) ) --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 12:18:00,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:18:00,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:18:00,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:18:00,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:18:00,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:18:00,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:18:00,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:18:00,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:18:00,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:18:00,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:18:00,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:18:00,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:18:00,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:18:00,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:18:00,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:18:00,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:18:00,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:18:00,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:18:00,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:18:00,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:18:00,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:18:00,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:18:00,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:18:00,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:18:00,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:18:00,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:18:00,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:18:00,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:18:00,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:18:00,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:18:00,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:18:00,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:18:00,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:18:00,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:18:00,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:18:00,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:18:00,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:18:00,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:18:00,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:18:00,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:18:00,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:18:00,634 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:18:00,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:18:00,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:18:00,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:18:00,636 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:18:00,636 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:18:00,637 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:18:00,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:18:00,637 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:18:00,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:18:00,638 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:18:00,638 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:18:00,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:18:00,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:18:00,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:18:00,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:18:00,639 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:18:00,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:18:00,641 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:18:00,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:18:00,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:18:00,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:18:00,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:18:00,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:18:00,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:18:00,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:18:00,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:18:00,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:18:00,644 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:18:00,644 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:18:00,644 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7fe0631e7f950e2868c8cb954edca4f6de3fdffbf6debba58771511fbac2e8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:18:00,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:18:00,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:18:00,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:18:00,967 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:18:00,968 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:18:00,969 INFO L432 ainManager$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 12:18:02,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:18:02,477 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:18:02,478 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-08-30 12:18:02,495 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a95f774/7198a99a5b5c4907a5054664a78aad04/FLAGa796374ed [2023-08-30 12:18:02,517 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94a95f774/7198a99a5b5c4907a5054664a78aad04 [2023-08-30 12:18:02,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:18:02,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:18:02,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:18:02,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:18:02,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:18:02,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:18:02" (1/1) ... [2023-08-30 12:18:02,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77580b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:02, skipping insertion in model container [2023-08-30 12:18:02,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:18:02" (1/1) ... [2023-08-30 12:18:02,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:18:02,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:18:02,917 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 12:18:02,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:18:02,935 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:18:02,980 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 12:18:02,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:18:03,027 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:18:03,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03 WrapperNode [2023-08-30 12:18:03,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:18:03,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:18:03,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:18:03,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:18:03,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,114 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 113 [2023-08-30 12:18:03,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:18:03,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:18:03,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:18:03,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:18:03,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:18:03,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:18:03,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:18:03,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:18:03,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (1/1) ... [2023-08-30 12:18:03,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:18:03,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:18:03,210 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 12:18:03,234 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 12:18:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:18:03,247 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 12:18:03,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 12:18:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:18:03,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:18:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:18:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:18:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:18:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:18:03,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:18:03,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:18:03,251 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 12:18:03,378 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:18:03,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:18:03,622 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:18:03,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:18:03,737 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 12:18:03,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:18:03 BoogieIcfgContainer [2023-08-30 12:18:03,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:18:03,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:18:03,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:18:03,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:18:03,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:18:02" (1/3) ... [2023-08-30 12:18:03,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b3990a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:18:03, skipping insertion in model container [2023-08-30 12:18:03,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:18:03" (2/3) ... [2023-08-30 12:18:03,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b3990a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:18:03, skipping insertion in model container [2023-08-30 12:18:03,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:18:03" (3/3) ... [2023-08-30 12:18:03,751 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2023-08-30 12:18:03,757 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:18:03,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:18:03,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 12:18:03,764 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:18:03,826 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:18:03,836 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 12:18:03,839 INFO L158 Benchmark]: Toolchain (without parser) took 1318.62ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 56.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 12:18:03,840 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 69.2MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:18:03,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 46.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:18:03,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.51ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 68.9MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:18:03,841 INFO L158 Benchmark]: Boogie Preprocessor took 56.35ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:18:03,841 INFO L158 Benchmark]: RCFGBuilder took 565.83ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 67.3MB in the end (delta: -578.4kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-08-30 12:18:03,842 INFO L158 Benchmark]: TraceAbstraction took 97.74ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 56.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:18:03,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 69.2MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.29ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 46.2MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.51ms. Allocated memory is still 90.2MB. Free memory was 46.2MB in the beginning and 68.9MB in the end (delta: -22.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.35ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.83ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 67.3MB in the end (delta: -578.4kB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 97.74ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 56.0MB in the end (delta: 10.9MB). 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 12:18:03,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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