./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.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-complex/elimination_backoff_stack.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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --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 22:28:19,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:28:19,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:28:19,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:28:19,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:28:19,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:28:19,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:28:19,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:28:19,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:28:19,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:28:19,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:28:19,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:28:19,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:28:19,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:28:19,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:28:19,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:28:19,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:28:19,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:28:19,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:28:19,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:28:19,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:28:19,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:28:19,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:28:19,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:28:19,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:28:19,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:28:19,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:28:19,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:28:19,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:28:19,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:28:19,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:28:19,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:28:19,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:28:19,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:28:19,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:28:19,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:28:19,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:28:19,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:28:19,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:28:19,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:28:19,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:28:19,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:28:19,791 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:28:19,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:28:19,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:28:19,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:28:19,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:28:19,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:28:19,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:28:19,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:28:19,796 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:28:19,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:28:19,797 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:28:19,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:28:19,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:28:19,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:28:19,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:28:19,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:28:19,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:28:19,798 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:28:19,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:28:19,799 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:28:19,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:28:19,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:28:19,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:28:19,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:28:19,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:19,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:28:19,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:28:19,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:28:19,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:28:19,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:28:19,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:28:19,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:28:19,802 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:28:19,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:28:19,802 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:28:19,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:28:20,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:28:20,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:28:20,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:28:20,177 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:28:20,177 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:28:20,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 22:28:21,401 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:28:21,728 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:28:21,729 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 22:28:21,748 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78957dd55/8f1e1fba0b454914bc0101a05fa6c256/FLAG2f9e38038 [2023-08-30 22:28:21,760 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78957dd55/8f1e1fba0b454914bc0101a05fa6c256 [2023-08-30 22:28:21,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:28:21,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:28:21,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:21,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:28:21,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:28:21,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:21" (1/1) ... [2023-08-30 22:28:21,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706c03ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:21, skipping insertion in model container [2023-08-30 22:28:21,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:21" (1/1) ... [2023-08-30 22:28:21,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:28:21,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:28:22,561 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-complex/elimination_backoff_stack.i[63494,63507] [2023-08-30 22:28:22,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:22,614 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:28:22,667 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-complex/elimination_backoff_stack.i[63494,63507] [2023-08-30 22:28:22,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:22,791 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:22,791 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:22,797 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:28:22,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22 WrapperNode [2023-08-30 22:28:22,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:22,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:22,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:28:22,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:28:22,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:22,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:22,975 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3738 [2023-08-30 22:28:22,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:22,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:28:22,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:28:22,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:28:22,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:22,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:28:23,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:28:23,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:28:23,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:28:23,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (1/1) ... [2023-08-30 22:28:23,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:28:23,266 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 22:28:23,282 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 22:28:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:28:23,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-30 22:28:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-30 22:28:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-30 22:28:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-30 22:28:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-30 22:28:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-30 22:28:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:28:23,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:28:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:28:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 22:28:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 22:28:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:28:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-30 22:28:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-30 22:28:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-30 22:28:23,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-30 22:28:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-30 22:28:23,311 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-30 22:28:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-30 22:28:23,312 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-30 22:28:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:28:23,316 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 22:28:23,828 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:28:23,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:28:26,636 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:28:28,788 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:28:28,789 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:28:28,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:28 BoogieIcfgContainer [2023-08-30 22:28:28,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:28:28,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:28:28,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:28:28,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:28:28,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:28:21" (1/3) ... [2023-08-30 22:28:28,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73561205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:28, skipping insertion in model container [2023-08-30 22:28:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:22" (2/3) ... [2023-08-30 22:28:28,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73561205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:28, skipping insertion in model container [2023-08-30 22:28:28,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:28" (3/3) ... [2023-08-30 22:28:28,799 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-30 22:28:28,807 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:28:28,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:28:28,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 22:28:28,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:28:29,509 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:28:29,515 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 22:28:29,520 INFO L158 Benchmark]: Toolchain (without parser) took 7756.40ms. Allocated memory was 75.5MB in the beginning and 450.9MB in the end (delta: 375.4MB). Free memory was 45.2MB in the beginning and 164.3MB in the end (delta: -119.1MB). Peak memory consumption was 254.7MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,520 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:28:29,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1034.58ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 34.7MB in the end (delta: 10.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.90ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 36.3MB in the end (delta: -1.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,522 INFO L158 Benchmark]: Boogie Preprocessor took 249.57ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.3MB in the beginning and 48.5MB in the end (delta: -12.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,523 INFO L158 Benchmark]: RCFGBuilder took 5564.32ms. Allocated memory was 92.3MB in the beginning and 450.9MB in the end (delta: 358.6MB). Free memory was 48.5MB in the beginning and 198.9MB in the end (delta: -150.4MB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,523 INFO L158 Benchmark]: TraceAbstraction took 724.12ms. Allocated memory is still 450.9MB. Free memory was 197.8MB in the beginning and 164.3MB in the end (delta: 33.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-08-30 22:28:29,526 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1034.58ms. Allocated memory is still 75.5MB. Free memory was 45.0MB in the beginning and 34.7MB in the end (delta: 10.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.90ms. Allocated memory is still 75.5MB. Free memory was 34.7MB in the beginning and 36.3MB in the end (delta: -1.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 249.57ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 36.3MB in the beginning and 48.5MB in the end (delta: -12.2MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5564.32ms. Allocated memory was 92.3MB in the beginning and 450.9MB in the end (delta: 358.6MB). Free memory was 48.5MB in the beginning and 198.9MB in the end (delta: -150.4MB). Peak memory consumption was 206.5MB. Max. memory is 16.1GB. * TraceAbstraction took 724.12ms. Allocated memory is still 450.9MB. Free memory was 197.8MB in the beginning and 164.3MB in the end (delta: 33.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:28:29,548 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-complex/elimination_backoff_stack.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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --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 22:28:31,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:28:31,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:28:31,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:28:31,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:28:31,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:28:31,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:28:31,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:28:31,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:28:31,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:28:31,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:28:31,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:28:31,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:28:31,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:28:31,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:28:31,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:28:31,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:28:31,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:28:31,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:28:31,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:28:31,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:28:31,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:28:31,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:28:31,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:28:31,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:28:31,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:28:31,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:28:31,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:28:31,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:28:31,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:28:31,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:28:31,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:28:31,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:28:31,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:28:31,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:28:31,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:28:31,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:28:31,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:28:31,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:28:31,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:28:31,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:28:31,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:28:31,664 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:28:31,664 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:28:31,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:28:31,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:28:31,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:28:31,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:28:31,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:28:31,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:28:31,668 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:28:31,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:28:31,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:28:31,670 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:28:31,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:28:31,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:28:31,670 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:28:31,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:28:31,671 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:28:31,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:28:31,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:28:31,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:28:31,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:28:31,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:31,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:28:31,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:28:31,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:28:31,672 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:28:31,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:28:31,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:28:31,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:28:31,673 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:28:31,673 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:28:31,674 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:28:31,674 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:28:31,674 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:28:31,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:28:32,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:28:32,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:28:32,008 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:28:32,009 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:28:32,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 22:28:33,232 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:28:33,553 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:28:33,553 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 22:28:33,584 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63775c0fe/d88b26c7272543788d341bff0240d28f/FLAG8633c5154 [2023-08-30 22:28:33,597 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63775c0fe/d88b26c7272543788d341bff0240d28f [2023-08-30 22:28:33,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:28:33,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:28:33,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:33,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:28:33,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:28:33,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:33" (1/1) ... [2023-08-30 22:28:33,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4350162e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:33, skipping insertion in model container [2023-08-30 22:28:33,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:28:33" (1/1) ... [2023-08-30 22:28:33,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:28:33,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:28:34,224 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-complex/elimination_backoff_stack.i[63494,63507] [2023-08-30 22:28:34,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:34,272 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:28:34,332 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-complex/elimination_backoff_stack.i[63494,63507] [2023-08-30 22:28:34,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:28:34,429 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:34,429 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:28:34,434 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:28:34,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34 WrapperNode [2023-08-30 22:28:34,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:28:34,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:34,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:28:34,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:28:34,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,584 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3626 [2023-08-30 22:28:34,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:28:34,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:28:34,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:28:34,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:28:34,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:28:34,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:28:34,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:28:34,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:28:34,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (1/1) ... [2023-08-30 22:28:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:28:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:28:34,810 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 22:28:34,824 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 22:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:28:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 22:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-30 22:28:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-30 22:28:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-30 22:28:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-30 22:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-30 22:28:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-30 22:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:28:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:28:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 22:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 22:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-30 22:28:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-30 22:28:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-30 22:28:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-30 22:28:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-30 22:28:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-30 22:28:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-30 22:28:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-30 22:28:34,856 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 22:28:35,332 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:28:35,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:28:39,896 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:28:42,274 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:28:42,274 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:28:42,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:42 BoogieIcfgContainer [2023-08-30 22:28:42,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:28:42,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:28:42,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:28:42,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:28:42,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:28:33" (1/3) ... [2023-08-30 22:28:42,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d982cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:42, skipping insertion in model container [2023-08-30 22:28:42,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:28:34" (2/3) ... [2023-08-30 22:28:42,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d982cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:28:42, skipping insertion in model container [2023-08-30 22:28:42,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:28:42" (3/3) ... [2023-08-30 22:28:42,287 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-30 22:28:42,295 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:28:42,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:28:42,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 22:28:42,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:28:43,129 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:28:43,137 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 22:28:43,142 INFO L158 Benchmark]: Toolchain (without parser) took 9541.55ms. Allocated memory was 71.3MB in the beginning and 562.0MB in the end (delta: 490.7MB). Free memory was 45.6MB in the beginning and 300.3MB in the end (delta: -254.7MB). Peak memory consumption was 241.9MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,143 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 56.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:28:43,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 834.27ms. Allocated memory is still 71.3MB. Free memory was 45.5MB in the beginning and 31.5MB in the end (delta: 14.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.11ms. Allocated memory is still 71.3MB. Free memory was 31.5MB in the beginning and 31.0MB in the end (delta: 459.4kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,145 INFO L158 Benchmark]: Boogie Preprocessor took 191.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 38.6MB in the end (delta: -7.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,146 INFO L158 Benchmark]: RCFGBuilder took 7500.35ms. Allocated memory was 86.0MB in the beginning and 320.9MB in the end (delta: 234.9MB). Free memory was 38.6MB in the beginning and 192.2MB in the end (delta: -153.6MB). Peak memory consumption was 208.6MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,147 INFO L158 Benchmark]: TraceAbstraction took 859.26ms. Allocated memory was 320.9MB in the beginning and 562.0MB in the end (delta: 241.2MB). Free memory was 191.1MB in the beginning and 300.3MB in the end (delta: -109.2MB). Peak memory consumption was 137.2MB. Max. memory is 16.1GB. [2023-08-30 22:28:43,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 56.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 834.27ms. Allocated memory is still 71.3MB. Free memory was 45.5MB in the beginning and 31.5MB in the end (delta: 14.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.11ms. Allocated memory is still 71.3MB. Free memory was 31.5MB in the beginning and 31.0MB in the end (delta: 459.4kB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 191.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 31.0MB in the beginning and 38.6MB in the end (delta: -7.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7500.35ms. Allocated memory was 86.0MB in the beginning and 320.9MB in the end (delta: 234.9MB). Free memory was 38.6MB in the beginning and 192.2MB in the end (delta: -153.6MB). Peak memory consumption was 208.6MB. Max. memory is 16.1GB. * TraceAbstraction took 859.26ms. Allocated memory was 320.9MB in the beginning and 562.0MB in the end (delta: 241.2MB). Free memory was 191.1MB in the beginning and 300.3MB in the end (delta: -109.2MB). Peak memory consumption was 137.2MB. 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 22:28:43,184 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