./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c --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/weaver/popl20-prod-cons.wvr.c -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 f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 --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 22:35:19,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:19,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:19,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:19,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:19,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:19,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:19,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:19,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:19,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:19,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:19,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:19,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:19,989 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:19,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:19,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:19,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:19,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:19,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:19,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:20,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:20,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:20,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:20,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:20,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:20,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:20,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:20,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:20,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:20,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:20,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:20,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:20,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:20,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:20,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:20,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:20,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:20,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:20,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:20,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:20,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:20,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:35:20,048 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:20,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:20,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:20,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:20,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:20,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:20,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:20,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:20,062 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:20,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:20,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:20,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:20,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:20,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:20,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:20,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:20,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:20,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:20,065 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:20,066 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:20,067 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:20,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:20,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:20,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:20,313 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:20,313 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:20,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-08-30 22:35:21,351 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:21,552 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:21,553 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-08-30 22:35:21,560 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653605e00/e74e0e2c22b040bcaf5ef515ea8bb18f/FLAGe0c6e49fe [2023-08-30 22:35:21,572 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/653605e00/e74e0e2c22b040bcaf5ef515ea8bb18f [2023-08-30 22:35:21,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:21,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:21,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:21,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:21,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:21,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483b659a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21, skipping insertion in model container [2023-08-30 22:35:21,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:21,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:21,712 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-08-30 22:35:21,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:21,726 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:21,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-08-30 22:35:21,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:21,746 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:21,746 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:21,750 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:21,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21 WrapperNode [2023-08-30 22:35:21,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:21,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:21,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:21,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:21,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,775 INFO L138 Inliner]: procedures = 25, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 170 [2023-08-30 22:35:21,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:21,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:21,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:21,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:21,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:21,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:21,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:21,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:21,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (1/1) ... [2023-08-30 22:35:21,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:21,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:21,815 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 22:35:21,828 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 22:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:35:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:35:21,842 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:35:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:35:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:35:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:21,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:21,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:21,844 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 22:35:21,936 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:21,937 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:22,197 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:22,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:22,270 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:35:22,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:22 BoogieIcfgContainer [2023-08-30 22:35:22,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:22,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:22,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:22,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:22,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:21" (1/3) ... [2023-08-30 22:35:22,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443f8fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:22, skipping insertion in model container [2023-08-30 22:35:22,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:21" (2/3) ... [2023-08-30 22:35:22,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@443f8fe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:22, skipping insertion in model container [2023-08-30 22:35:22,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:22" (3/3) ... [2023-08-30 22:35:22,278 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2023-08-30 22:35:22,284 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:22,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:22,291 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:22,291 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:22,378 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:35:22,383 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 22:35:22,386 INFO L158 Benchmark]: Toolchain (without parser) took 810.34ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 32.7MB in the end (delta: 24.1MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-08-30 22:35:22,387 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:22,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.30ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 45.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:35:22,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.03ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 42.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:22,388 INFO L158 Benchmark]: Boogie Preprocessor took 17.89ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:22,388 INFO L158 Benchmark]: RCFGBuilder took 478.21ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 41.9MB in the end (delta: -615.8kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-30 22:35:22,389 INFO L158 Benchmark]: TraceAbstraction took 111.49ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 32.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:35:22,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.30ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 45.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.03ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 42.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.89ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 41.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.21ms. Allocated memory is still 79.7MB. Free memory was 41.2MB in the beginning and 41.9MB in the end (delta: -615.8kB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 111.49ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 32.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. 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 22:35:22,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c -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 f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 --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 22:35:24,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:24,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:24,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:24,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:24,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:24,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:24,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:24,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:24,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:24,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:24,427 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:24,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:24,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:24,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:24,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:24,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:24,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:24,439 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:24,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:24,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:24,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:24,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:24,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:24,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:24,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:24,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:24,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:24,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:24,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:24,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:24,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:24,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:24,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:24,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:24,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:24,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:24,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:24,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:24,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:24,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:24,458 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:35:24,505 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:24,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:24,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:24,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:24,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:24,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:24,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:24,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:24,508 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:24,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:24,509 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:24,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:24,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:24,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:24,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:24,512 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:24,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:24,512 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:35:24,512 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:24,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9b434f3343269d91303305376bff127738dc22172486554888e346753333fd7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:24,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:24,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:24,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:24,744 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:24,745 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:24,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-08-30 22:35:25,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:25,876 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:25,876 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c [2023-08-30 22:35:25,899 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa9077f/7fa47df83dee412ba94955af1bc21746/FLAG4a6589976 [2023-08-30 22:35:25,911 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09aa9077f/7fa47df83dee412ba94955af1bc21746 [2023-08-30 22:35:25,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:25,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:25,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:25,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:25,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:25,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:25" (1/1) ... [2023-08-30 22:35:25,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16dcabc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:25, skipping insertion in model container [2023-08-30 22:35:25,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:25" (1/1) ... [2023-08-30 22:35:25,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:25,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:26,095 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-08-30 22:35:26,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:26,119 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:35:26,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:26,150 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-08-30 22:35:26,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:26,164 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:26,192 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-prod-cons.wvr.c[3056,3069] [2023-08-30 22:35:26,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:26,206 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:26,208 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:35:26,212 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26 WrapperNode [2023-08-30 22:35:26,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:26,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:26,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:26,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:26,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,255 INFO L138 Inliner]: procedures = 27, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 166 [2023-08-30 22:35:26,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:26,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:26,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:26,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:26,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:26,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:26,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:26,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:26,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (1/1) ... [2023-08-30 22:35:26,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:26,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:26,343 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 22:35:26,361 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 22:35:26,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:26,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:35:26,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:26,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:26,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:35:26,372 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 22:35:26,445 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:26,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:26,727 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:26,794 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:26,794 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:35:26,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:26 BoogieIcfgContainer [2023-08-30 22:35:26,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:26,798 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:26,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:26,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:26,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:25" (1/3) ... [2023-08-30 22:35:26,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7bfc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:26, skipping insertion in model container [2023-08-30 22:35:26,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:26" (2/3) ... [2023-08-30 22:35:26,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7bfc5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:26, skipping insertion in model container [2023-08-30 22:35:26,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:26" (3/3) ... [2023-08-30 22:35:26,802 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons.wvr.c [2023-08-30 22:35:26,808 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:26,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:26,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:26,815 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:26,858 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:35:26,863 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 22:35:26,867 INFO L158 Benchmark]: Toolchain (without parser) took 952.68ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.0MB in the beginning and 35.4MB in the end (delta: -401.5kB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,867 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 24.3MB in the beginning and 24.3MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:26,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.65ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 35.3MB in the end (delta: -452.4kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.39ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,869 INFO L158 Benchmark]: Boogie Preprocessor took 46.39ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 31.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,869 INFO L158 Benchmark]: RCFGBuilder took 492.41ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 47.1MB in the end (delta: -15.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,869 INFO L158 Benchmark]: TraceAbstraction took 68.18ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 35.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:26,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 24.3MB in the beginning and 24.3MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.65ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 35.3MB in the end (delta: -452.4kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.39ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.39ms. Allocated memory is still 56.6MB. Free memory was 33.3MB in the beginning and 31.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.41ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 47.1MB in the end (delta: -15.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 68.18ms. Allocated memory is still 69.2MB. Free memory was 46.5MB in the beginning and 35.4MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. 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 22:35:26,890 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