./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.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/26_stack_cas_longest-2.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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --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 22:20:13,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:13,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:13,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:13,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:13,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:13,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:13,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:13,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:13,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:13,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:13,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:13,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:13,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:13,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:13,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:13,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:13,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:13,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:13,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:13,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:13,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:13,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:13,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:13,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:13,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:13,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:13,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:13,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:13,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:13,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:13,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:13,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:13,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:13,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:13,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:13,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:13,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:13,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:13,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:13,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:13,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:20:13,768 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:13,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:13,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:13,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:13,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:13,771 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:13,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:13,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:13,772 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:13,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:13,773 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:13,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:20:13,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:13,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:13,774 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:13,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:13,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:13,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:13,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:13,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:13,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:13,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:13,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:13,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:20:13,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:20:13,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:13,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:13,778 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:13,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:13,778 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:13,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:14,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:14,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:14,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:14,066 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:14,067 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:14,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-08-30 22:20:15,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:15,485 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:15,485 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-08-30 22:20:15,507 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2781b0fae/d07e9000edc948bfa1a470570796ab3e/FLAGcd578a538 [2023-08-30 22:20:15,524 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2781b0fae/d07e9000edc948bfa1a470570796ab3e [2023-08-30 22:20:15,527 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:15,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:15,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:15,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:15,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:15,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:15" (1/1) ... [2023-08-30 22:20:15,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f01ac65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:15, skipping insertion in model container [2023-08-30 22:20:15,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:15" (1/1) ... [2023-08-30 22:20:15,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:15,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:15,908 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/26_stack_cas_longest-2.i[31164,31177] [2023-08-30 22:20:15,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:15,930 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:15,978 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/26_stack_cas_longest-2.i[31164,31177] [2023-08-30 22:20:15,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:16,032 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:16,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16 WrapperNode [2023-08-30 22:20:16,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:16,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:16,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:16,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:16,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,104 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 188 [2023-08-30 22:20:16,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:16,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:16,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:16,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:16,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,147 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:16,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:16,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:16,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:16,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (1/1) ... [2023-08-30 22:20:16,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:16,190 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 22:20:16,211 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 22:20:16,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:20:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:16,224 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:20:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:16,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:20:16,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:16,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:16,226 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 22:20:16,400 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:16,402 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:16,654 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:16,827 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:16,827 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:16,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:16 BoogieIcfgContainer [2023-08-30 22:20:16,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:16,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:16,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:16,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:16,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:15" (1/3) ... [2023-08-30 22:20:16,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fd9749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:16, skipping insertion in model container [2023-08-30 22:20:16,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:16" (2/3) ... [2023-08-30 22:20:16,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67fd9749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:16, skipping insertion in model container [2023-08-30 22:20:16,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:16" (3/3) ... [2023-08-30 22:20:16,836 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2.i [2023-08-30 22:20:16,843 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:16,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:16,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:16,851 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:16,921 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:16,927 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 22:20:16,932 INFO L158 Benchmark]: Toolchain (without parser) took 1403.74ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 61.9MB in the end (delta: 5.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,933 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:16,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.47ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 66.9MB in the end (delta: -124.8kB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.98ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,936 INFO L158 Benchmark]: Boogie Preprocessor took 53.22ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,936 INFO L158 Benchmark]: RCFGBuilder took 670.73ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 49.0MB in the end (delta: 13.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,937 INFO L158 Benchmark]: TraceAbstraction took 99.82ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 61.9MB in the end (delta: -13.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-08-30 22:20:16,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.47ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 66.9MB in the end (delta: -124.8kB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.98ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.22ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 62.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.73ms. Allocated memory is still 90.2MB. Free memory was 62.5MB in the beginning and 49.0MB in the end (delta: 13.5MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 99.82ms. Allocated memory is still 90.2MB. Free memory was 48.6MB in the beginning and 61.9MB in the end (delta: -13.4MB). Peak memory consumption was 12.3MB. 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 22:20:16,961 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/26_stack_cas_longest-2.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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --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 22:20:18,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:18,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:18,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:18,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:18,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:18,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:18,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:18,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:18,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:18,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:18,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:18,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:18,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:18,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:18,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:18,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:18,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:18,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:18,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:18,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:18,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:18,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:18,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:18,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:18,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:18,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:18,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:18,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:18,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:18,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:18,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:18,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:18,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:18,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:18,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:18,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:18,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:18,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:18,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:18,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:18,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:20:18,756 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:18,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:18,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:18,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:18,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:18,758 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:18,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:18,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:18,759 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:18,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:18,759 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:18,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:18,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:18,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:18,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:18,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:18,761 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:20:18,761 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:20:18,761 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:20:18,761 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:18,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:18,762 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:18,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:18,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:18,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:18,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:18,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:18,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:18,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:18,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:18,764 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:20:18,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:20:18,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:18,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:18,765 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:18,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:18,765 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:20:18,765 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:18,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:19,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:19,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:19,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:19,065 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:19,066 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:19,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-08-30 22:20:20,210 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:20,457 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:20,458 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/26_stack_cas_longest-2.i [2023-08-30 22:20:20,467 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad574553d/9f0a300f577f4a6f9a1b7e01442a5ceb/FLAG43e2734da [2023-08-30 22:20:20,478 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad574553d/9f0a300f577f4a6f9a1b7e01442a5ceb [2023-08-30 22:20:20,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:20,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:20,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:20,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:20,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:20,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:20,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a856db8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20, skipping insertion in model container [2023-08-30 22:20:20,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:20,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:20,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:20,817 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/26_stack_cas_longest-2.i[31164,31177] [2023-08-30 22:20:20,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:20,879 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:20,919 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/26_stack_cas_longest-2.i[31164,31177] [2023-08-30 22:20:20,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:20,952 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:20,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20 WrapperNode [2023-08-30 22:20:20,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:20,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:20,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:20,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:20,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:20,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:20,993 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 16, calls inlined = 19, statements flattened = 185 [2023-08-30 22:20:20,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:20,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:20,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:20,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:21,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:21,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:21,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:21,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:21,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (1/1) ... [2023-08-30 22:20:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:21,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:21,061 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 22:20:21,084 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 22:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:20:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:20:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:20:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:20:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:21,104 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 22:20:21,294 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:21,296 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:21,521 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:21,662 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:21,663 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:21,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:21 BoogieIcfgContainer [2023-08-30 22:20:21,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:21,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:21,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:21,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:21,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:20" (1/3) ... [2023-08-30 22:20:21,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439a399 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 22:20:21,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:20" (2/3) ... [2023-08-30 22:20:21,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5439a399 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 22:20:21,673 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 22:20:21,674 INFO L112 eAbstractionObserver]: Analyzing ICFG 26_stack_cas_longest-2.i [2023-08-30 22:20:21,681 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:21,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:21,689 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:20:21,689 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:21,771 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:21,777 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 22:20:21,783 INFO L158 Benchmark]: Toolchain (without parser) took 1301.56ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.4MB in the beginning and 59.9MB in the end (delta: -12.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,784 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:21,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.63ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 42.2MB in the end (delta: 5.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 39.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,786 INFO L158 Benchmark]: Boogie Preprocessor took 37.39ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 37.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,787 INFO L158 Benchmark]: RCFGBuilder took 633.29ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.4MB in the beginning and 47.5MB in the end (delta: -10.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,787 INFO L158 Benchmark]: TraceAbstraction took 114.86ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 60.4MB in the end (delta: -13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:21,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.63ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 42.2MB in the end (delta: 5.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 39.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.39ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 37.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.29ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.4MB in the beginning and 47.5MB in the end (delta: -10.2MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 114.86ms. Allocated memory is still 86.0MB. Free memory was 47.0MB in the beginning and 60.4MB in the end (delta: -13.4MB). Peak memory consumption was 16.8MB. 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 22:20:21,824 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