./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.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 memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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 01:57:33,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:33,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:33,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:33,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:33,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:33,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:33,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:33,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:33,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:33,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:33,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:33,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:33,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:33,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:33,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:33,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:33,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:33,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:33,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:33,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:33,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:33,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:33,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:33,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:33,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:33,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:33,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:33,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:33,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:33,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:33,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:33,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:33,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:33,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:33,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:33,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:33,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:33,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:33,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:33,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:33,123 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:57:33,156 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:33,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:33,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:33,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:33,158 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:33,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:33,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:33,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:33,160 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:33,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:33,161 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:33,162 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:33,162 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:33,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:33,162 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:33,162 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:33,163 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:33,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:33,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:33,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:33,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:33,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:33,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:33,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:57:33,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:57:33,164 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:33,165 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:33,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:33,165 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:33,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:33,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:33,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:33,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:33,512 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:33,512 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:33,514 INFO L432 ainManager$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 01:57:34,795 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:35,118 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:35,119 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 01:57:35,135 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6014b5c/7425e0fa74e14433b81668e6b5a7b834/FLAG2b7473b24 [2023-08-30 01:57:35,147 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd6014b5c/7425e0fa74e14433b81668e6b5a7b834 [2023-08-30 01:57:35,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:35,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:35,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:35,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:35,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:35,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:35" (1/1) ... [2023-08-30 01:57:35,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63974555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:35, skipping insertion in model container [2023-08-30 01:57:35,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:35" (1/1) ... [2023-08-30 01:57:35,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:35,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:35,878 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 01:57:35,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:35,959 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:36,038 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 01:57:36,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:36,150 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:36,150 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:36,156 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:36,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36 WrapperNode [2023-08-30 01:57:36,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:36,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:36,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:36,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:36,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,326 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3738 [2023-08-30 01:57:36,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:36,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:36,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:36,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:36,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:36,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:36,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:36,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:36,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (1/1) ... [2023-08-30 01:57:36,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:36,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:36,580 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 01:57:36,607 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 01:57:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:57:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-30 01:57:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-30 01:57:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-30 01:57:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-30 01:57:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-30 01:57:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-30 01:57:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 01:57:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 01:57:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:57:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-30 01:57:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-30 01:57:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-30 01:57:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-30 01:57:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-30 01:57:36,625 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-30 01:57:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-30 01:57:36,626 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-30 01:57:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:57:36,630 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 01:57:37,045 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:37,047 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:40,816 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:45,790 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:45,791 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:57:45,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:45 BoogieIcfgContainer [2023-08-30 01:57:45,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:45,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:45,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:45,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:45,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:35" (1/3) ... [2023-08-30 01:57:45,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498cf3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:45, skipping insertion in model container [2023-08-30 01:57:45,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:36" (2/3) ... [2023-08-30 01:57:45,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498cf3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:45, skipping insertion in model container [2023-08-30 01:57:45,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:45" (3/3) ... [2023-08-30 01:57:45,803 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-30 01:57:45,827 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:45,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1344 error locations. [2023-08-30 01:57:45,828 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:47,669 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:57:47,676 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 01:57:47,680 INFO L158 Benchmark]: Toolchain (without parser) took 12529.14ms. Allocated memory was 83.9MB in the beginning and 817.9MB in the end (delta: 734.0MB). Free memory was 58.8MB in the beginning and 236.3MB in the end (delta: -177.5MB). Peak memory consumption was 605.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,681 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:47,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1006.20ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 58.3MB in the end (delta: 289.8kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.77ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 39.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,682 INFO L158 Benchmark]: Boogie Preprocessor took 218.96ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 39.8MB in the beginning and 59.7MB in the end (delta: -19.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,683 INFO L158 Benchmark]: RCFGBuilder took 9248.07ms. Allocated memory was 104.9MB in the beginning and 817.9MB in the end (delta: 713.0MB). Free memory was 59.7MB in the beginning and 249.1MB in the end (delta: -189.4MB). Peak memory consumption was 544.0MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,683 INFO L158 Benchmark]: TraceAbstraction took 1880.97ms. Allocated memory is still 817.9MB. Free memory was 249.1MB in the beginning and 236.3MB in the end (delta: 12.8MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:47,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1006.20ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 58.3MB in the end (delta: 289.8kB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.77ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 39.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 218.96ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 39.8MB in the beginning and 59.7MB in the end (delta: -19.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9248.07ms. Allocated memory was 104.9MB in the beginning and 817.9MB in the end (delta: 713.0MB). Free memory was 59.7MB in the beginning and 249.1MB in the end (delta: -189.4MB). Peak memory consumption was 544.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1880.97ms. Allocated memory is still 817.9MB. Free memory was 249.1MB in the beginning and 236.3MB in the end (delta: 12.8MB). Peak memory consumption was 58.9MB. 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 01:57:47,726 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --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 01:57:49,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:49,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:49,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:49,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:49,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:49,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:49,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:49,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:49,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:49,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:49,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:49,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:49,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:49,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:49,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:49,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:49,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:49,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:49,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:49,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:49,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:49,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:49,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:49,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:49,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:49,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:49,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:49,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:49,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:49,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:49,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:49,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:49,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:49,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:49,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:49,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:49,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:49,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:49,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:49,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:49,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:57:49,866 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:49,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:49,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:49,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:49,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:49,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:49,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:49,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:49,869 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:49,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:49,870 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:49,870 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:49,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:49,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:49,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:49,871 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:49,872 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:49,872 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:49,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:49,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:49,872 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:57:49,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:57:49,873 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:49,873 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:49,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:49,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:49,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:49,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:49,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:49,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:49,874 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:57:49,875 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:57:49,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:49,875 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:49,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:49,876 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:57:49,876 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:49,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:50,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:50,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:50,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:50,222 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:50,223 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:50,224 INFO L432 ainManager$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 01:57:51,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:51,725 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:51,725 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-30 01:57:51,740 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b672cd2f0/bae9f5c456344a7fa94e1fa5c29bbf32/FLAGa0a927392 [2023-08-30 01:57:51,758 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b672cd2f0/bae9f5c456344a7fa94e1fa5c29bbf32 [2023-08-30 01:57:51,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:51,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:51,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:51,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:51,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:51,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:51" (1/1) ... [2023-08-30 01:57:51,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b9b9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:51, skipping insertion in model container [2023-08-30 01:57:51,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:51" (1/1) ... [2023-08-30 01:57:51,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:51,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:52,428 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 01:57:52,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:52,463 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:52,591 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 01:57:52,599 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:52,674 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:52,674 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:57:52,682 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:52,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52 WrapperNode [2023-08-30 01:57:52,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:52,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:52,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:52,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:52,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,720 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,858 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3626 [2023-08-30 01:57:52,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:52,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:52,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:52,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:52,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:52,995 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:53,005 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:53,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:53,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:53,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:53,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:53,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:53,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (1/1) ... [2023-08-30 01:57:53,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:53,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:53,066 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 01:57:53,086 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 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:53,098 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-30 01:57:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-30 01:57:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-30 01:57:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-30 01:57:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-30 01:57:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-30 01:57:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:57:53,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 01:57:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:57:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 01:57:53,100 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-30 01:57:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-30 01:57:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-30 01:57:53,101 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-30 01:57:53,101 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-30 01:57:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-30 01:57:53,102 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-30 01:57:53,102 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-30 01:57:53,105 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 01:57:53,712 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:53,713 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:58:01,405 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:58:06,860 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:58:06,861 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:58:06,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:06 BoogieIcfgContainer [2023-08-30 01:58:06,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:58:06,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:58:06,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:58:06,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:58:06,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:51" (1/3) ... [2023-08-30 01:58:06,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cb5fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:06, skipping insertion in model container [2023-08-30 01:58:06,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:52" (2/3) ... [2023-08-30 01:58:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13cb5fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:06, skipping insertion in model container [2023-08-30 01:58:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:06" (3/3) ... [2023-08-30 01:58:06,877 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-30 01:58:06,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:58:06,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1344 error locations. [2023-08-30 01:58:06,896 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:58:08,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:58:08,961 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 01:58:08,965 INFO L158 Benchmark]: Toolchain (without parser) took 17200.66ms. Allocated memory was 73.4MB in the beginning and 2.9GB in the end (delta: 2.9GB). Free memory was 49.5MB in the beginning and 2.5GB in the end (delta: -2.5GB). Peak memory consumption was 668.1MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,966 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:58:08,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 917.73ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.2MB in the beginning and 45.0MB in the end (delta: 4.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.53ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 59.8MB in the end (delta: -14.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,968 INFO L158 Benchmark]: Boogie Preprocessor took 173.83ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 41.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,969 INFO L158 Benchmark]: RCFGBuilder took 13833.12ms. Allocated memory was 96.5MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 41.4MB in the beginning and 573.2MB in the end (delta: -531.8MB). Peak memory consumption was 486.9MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,969 INFO L158 Benchmark]: TraceAbstraction took 2093.98ms. Allocated memory was 1.1GB in the beginning and 2.9GB in the end (delta: 1.8GB). Free memory was 572.2MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 149.3MB. Max. memory is 16.1GB. [2023-08-30 01:58:08,972 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 73.4MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 917.73ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.2MB in the beginning and 45.0MB in the end (delta: 4.3MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.53ms. Allocated memory is still 96.5MB. Free memory was 45.0MB in the beginning and 59.8MB in the end (delta: -14.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 173.83ms. Allocated memory is still 96.5MB. Free memory was 59.8MB in the beginning and 41.4MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 13833.12ms. Allocated memory was 96.5MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 41.4MB in the beginning and 573.2MB in the end (delta: -531.8MB). Peak memory consumption was 486.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2093.98ms. Allocated memory was 1.1GB in the beginning and 2.9GB in the end (delta: 1.8GB). Free memory was 572.2MB in the beginning and 2.5GB in the end (delta: -1.9GB). Peak memory consumption was 149.3MB. 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 01:58:09,007 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