./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.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-lit/qw2004-2b.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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 22:27:35,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:27:35,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:27:35,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:27:35,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:27:35,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:27:35,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:27:35,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:27:35,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:27:35,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:27:35,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:27:35,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:27:35,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:27:35,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:27:35,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:27:35,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:27:35,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:27:35,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:27:35,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:27:35,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:27:35,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:27:35,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:27:35,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:27:35,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:27:35,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:27:35,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:27:35,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:27:35,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:27:35,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:27:35,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:27:35,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:27:35,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:27:35,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:27:35,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:27:35,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:27:35,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:27:35,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:27:35,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:27:35,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:27:35,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:27:35,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:27:35,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:27:36,019 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:27:36,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:27:36,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:27:36,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:27:36,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:27:36,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:27:36,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:27:36,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:27:36,022 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:27:36,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:27:36,023 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:27:36,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:27:36,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:27:36,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:27:36,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:27:36,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:27:36,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:27:36,025 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:27:36,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:27:36,026 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:27:36,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:27:36,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:27:36,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:27:36,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:27:36,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:36,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:27:36,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:27:36,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:27:36,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:27:36,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:27:36,034 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:27:36,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:27:36,035 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:27:36,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:27:36,035 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:27:36,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:27:36,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:27:36,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:27:36,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:27:36,372 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:27:36,373 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:27:36,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 22:27:37,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:27:37,789 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:27:37,789 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 22:27:37,813 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5648f8fe4/a2c2983f33c3476496e880b5ca00c1a7/FLAG0eae5d543 [2023-08-30 22:27:37,826 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5648f8fe4/a2c2983f33c3476496e880b5ca00c1a7 [2023-08-30 22:27:37,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:27:37,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:27:37,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:37,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:27:37,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:27:37,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:37" (1/1) ... [2023-08-30 22:27:37,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151bf49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:37, skipping insertion in model container [2023-08-30 22:27:37,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:37" (1/1) ... [2023-08-30 22:27:37,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:27:37,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:27:38,210 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 22:27:38,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:38,241 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:27:38,276 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 22:27:38,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:38,325 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:38,326 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:38,331 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:27:38,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38 WrapperNode [2023-08-30 22:27:38,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:38,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:38,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:27:38,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:27:38,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,408 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 117 [2023-08-30 22:27:38,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:38,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:27:38,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:27:38,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:27:38,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:27:38,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:27:38,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:27:38,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:27:38,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (1/1) ... [2023-08-30 22:27:38,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:38,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:27:38,494 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 22:27:38,501 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 22:27:38,531 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 22:27:38,532 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 22:27:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:27:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:27:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:27:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:27:38,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:27:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:27:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:27:38,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:27:38,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:27:38,534 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 22:27:38,671 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:27:38,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:27:38,849 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:27:38,876 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:27:38,876 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:27:38,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:38 BoogieIcfgContainer [2023-08-30 22:27:38,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:27:38,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:27:38,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:27:38,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:27:38,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:27:37" (1/3) ... [2023-08-30 22:27:38,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f5e1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:38, skipping insertion in model container [2023-08-30 22:27:38,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:38" (2/3) ... [2023-08-30 22:27:38,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f5e1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:38, skipping insertion in model container [2023-08-30 22:27:38,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:38" (3/3) ... [2023-08-30 22:27:38,886 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 22:27:38,893 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:27:38,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:27:38,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:27:38,902 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:27:38,943 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:27:38,948 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 22:27:38,954 INFO L158 Benchmark]: Toolchain (without parser) took 1123.44ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 31.2MB in the end (delta: 21.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,954 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:27:38,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.43ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 33.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.31ms. Allocated memory is still 75.5MB. Free memory was 33.5MB in the beginning and 54.7MB in the end (delta: -21.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,956 INFO L158 Benchmark]: Boogie Preprocessor took 47.84ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,957 INFO L158 Benchmark]: RCFGBuilder took 420.70ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 38.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,957 INFO L158 Benchmark]: TraceAbstraction took 72.07ms. Allocated memory is still 75.5MB. Free memory was 37.6MB in the beginning and 31.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:38,960 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 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.43ms. Allocated memory is still 75.5MB. Free memory was 53.2MB in the beginning and 33.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.31ms. Allocated memory is still 75.5MB. Free memory was 33.5MB in the beginning and 54.7MB in the end (delta: -21.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.84ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 53.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.70ms. Allocated memory is still 75.5MB. Free memory was 53.0MB in the beginning and 38.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 72.07ms. Allocated memory is still 75.5MB. Free memory was 37.6MB in the beginning and 31.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. 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 22:27:38,977 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-lit/qw2004-2b.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 f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 22:27:40,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:27:40,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:27:40,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:27:40,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:27:40,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:27:40,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:27:40,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:27:40,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:27:40,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:27:40,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:27:40,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:27:40,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:27:40,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:27:40,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:27:40,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:27:40,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:27:40,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:27:40,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:27:40,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:27:40,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:27:40,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:27:40,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:27:40,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:27:40,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:27:40,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:27:40,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:27:40,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:27:40,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:27:40,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:27:40,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:27:40,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:27:40,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:27:40,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:27:40,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:27:40,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:27:40,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:27:40,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:27:40,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:27:40,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:27:40,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:27:40,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:27:40,937 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:27:40,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:27:40,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:27:40,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:27:40,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:27:40,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:27:40,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:27:40,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:27:40,941 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:27:40,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:27:40,942 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:27:40,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:27:40,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:27:40,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:27:40,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:27:40,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:27:40,943 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:27:40,943 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:27:40,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:27:40,944 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:27:40,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:27:40,944 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:27:40,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:27:40,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:27:40,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:27:40,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:27:40,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:40,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:27:40,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:27:40,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:27:40,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:27:40,947 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:27:40,947 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:27:40,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:27:41,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:27:41,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:27:41,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:27:41,282 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:27:41,282 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:27:41,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 22:27:42,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:27:42,679 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:27:42,681 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 22:27:42,701 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a0dea04/c1d7bdff1cb446f1b765a764772984af/FLAG3b22885ea [2023-08-30 22:27:42,720 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a0dea04/c1d7bdff1cb446f1b765a764772984af [2023-08-30 22:27:42,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:27:42,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:27:42,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:42,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:27:42,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:27:42,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:42" (1/1) ... [2023-08-30 22:27:42,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b2754ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:42, skipping insertion in model container [2023-08-30 22:27:42,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:27:42" (1/1) ... [2023-08-30 22:27:42,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:27:42,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:27:43,110 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 22:27:43,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:43,141 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:27:43,183 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 22:27:43,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:27:43,252 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:43,252 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:27:43,258 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:27:43,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43 WrapperNode [2023-08-30 22:27:43,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:27:43,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:43,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:27:43,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:27:43,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,309 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,331 INFO L138 Inliner]: procedures = 178, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 115 [2023-08-30 22:27:43,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:27:43,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:27:43,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:27:43,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:27:43,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:27:43,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:27:43,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:27:43,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:27:43,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (1/1) ... [2023-08-30 22:27:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:27:43,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:27:43,411 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 22:27:43,421 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 22:27:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 22:27:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:27:43,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:27:43,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:27:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:27:43,447 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 22:27:43,616 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:27:43,618 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:27:43,833 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:27:43,868 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:27:43,868 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:27:43,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:43 BoogieIcfgContainer [2023-08-30 22:27:43,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:27:43,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:27:43,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:27:43,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:27:43,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:27:42" (1/3) ... [2023-08-30 22:27:43,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9caecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:43, skipping insertion in model container [2023-08-30 22:27:43,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:27:43" (2/3) ... [2023-08-30 22:27:43,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9caecfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:27:43, skipping insertion in model container [2023-08-30 22:27:43,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:27:43" (3/3) ... [2023-08-30 22:27:43,878 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 22:27:43,885 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:27:43,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:27:43,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:27:43,891 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:27:43,941 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:27:43,946 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 22:27:43,952 INFO L158 Benchmark]: Toolchain (without parser) took 1227.65ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 47.0MB in the end (delta: 8.5MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:43,952 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:27:43,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.85ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:43,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.20ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 51.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:27:43,954 INFO L158 Benchmark]: Boogie Preprocessor took 38.86ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 49.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:27:43,955 INFO L158 Benchmark]: RCFGBuilder took 498.60ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 55.5MB in the end (delta: -6.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-30 22:27:43,955 INFO L158 Benchmark]: TraceAbstraction took 78.21ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 47.0MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:27:43,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.85ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 53.7MB in the end (delta: 1.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.20ms. Allocated memory is still 79.7MB. Free memory was 53.7MB in the beginning and 51.3MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.86ms. Allocated memory is still 79.7MB. Free memory was 51.3MB in the beginning and 49.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.60ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 55.5MB in the end (delta: -6.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 78.21ms. Allocated memory is still 79.7MB. Free memory was 54.8MB in the beginning and 47.0MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. 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 22:27:43,978 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