./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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-two-queue.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --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 12:33:38,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:38,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:38,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:38,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:38,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:38,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:38,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:38,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:38,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:38,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:38,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:38,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:38,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:38,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:38,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:38,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:38,818 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:38,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:38,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:38,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:38,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:38,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:38,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:38,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:38,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:38,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:38,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:38,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:38,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:38,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:38,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:38,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:38,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:38,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:38,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:38,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:38,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:38,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:38,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:38,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:38,851 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:33:38,882 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:38,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:38,883 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:38,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:38,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:38,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:38,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:38,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:38,886 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:38,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:38,887 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:38,887 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:38,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:33:38,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:38,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:38,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:38,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:38,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:38,888 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:38,888 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:38,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:38,889 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:38,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:38,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:38,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:38,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:38,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:38,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:38,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:38,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:38,891 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:33:38,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:33:38,891 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:38,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:38,891 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:38,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:38,892 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:38,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:39,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:39,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:39,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:39,260 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:39,260 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:39,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-08-30 12:33:40,502 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:40,721 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:40,722 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-08-30 12:33:40,728 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b8fac1b/607aa142e2db4479af3b32dc83d188f8/FLAGace6d0b86 [2023-08-30 12:33:40,751 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80b8fac1b/607aa142e2db4479af3b32dc83d188f8 [2023-08-30 12:33:40,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:40,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:40,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:40,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:40,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:40,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:40" (1/1) ... [2023-08-30 12:33:40,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5560bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:40, skipping insertion in model container [2023-08-30 12:33:40,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:40" (1/1) ... [2023-08-30 12:33:40,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:40,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:40,963 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-two-queue.wvr.c[2987,3000] [2023-08-30 12:33:40,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:40,978 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:41,003 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-two-queue.wvr.c[2987,3000] [2023-08-30 12:33:41,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:41,012 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:41,013 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:41,019 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:41,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41 WrapperNode [2023-08-30 12:33:41,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:41,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:41,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:41,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:41,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,067 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 223 [2023-08-30 12:33:41,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:41,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:41,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:41,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:41,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,097 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:41,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:41,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:41,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:41,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (1/1) ... [2023-08-30 12:33:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:41,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:41,132 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 12:33:41,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:33:41,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:33:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:41,161 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 12:33:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:41,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:33:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:41,174 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 12:33:41,272 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:41,274 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:41,625 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:41,742 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:41,742 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 12:33:41,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:41 BoogieIcfgContainer [2023-08-30 12:33:41,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:41,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:41,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:41,749 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:41,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:40" (1/3) ... [2023-08-30 12:33:41,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c9c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:41, skipping insertion in model container [2023-08-30 12:33:41,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:41" (2/3) ... [2023-08-30 12:33:41,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a3c9c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:41, skipping insertion in model container [2023-08-30 12:33:41,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:41" (3/3) ... [2023-08-30 12:33:41,752 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-08-30 12:33:41,759 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:41,768 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:41,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 12:33:41,769 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:41,863 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:41,870 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 12:33:41,877 INFO L158 Benchmark]: Toolchain (without parser) took 1121.13ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.0MB in the beginning and 54.9MB in the end (delta: -11.9MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,877 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:41,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.27ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 31.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.03ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 44.7MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,881 INFO L158 Benchmark]: Boogie Preprocessor took 33.72ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,882 INFO L158 Benchmark]: RCFGBuilder took 642.72ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 37.5MB in the end (delta: 5.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,883 INFO L158 Benchmark]: TraceAbstraction took 128.18ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.9MB in the beginning and 54.9MB in the end (delta: -17.9MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:41,890 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 50.3MB. Free memory is still 27.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.27ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 31.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.03ms. Allocated memory is still 65.0MB. Free memory was 31.1MB in the beginning and 44.7MB in the end (delta: -13.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.72ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.72ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 37.5MB in the end (delta: 5.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 128.18ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.9MB in the beginning and 54.9MB in the end (delta: -17.9MB). Peak memory consumption was 15.7MB. 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 12:33:41,914 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-two-queue.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 --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 12:33:43,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:33:43,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:33:43,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:33:43,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:33:43,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:33:43,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:33:43,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:33:43,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:33:43,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:33:43,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:33:43,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:33:43,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:33:43,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:33:43,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:33:43,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:33:43,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:33:43,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:33:43,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:33:43,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:33:43,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:33:43,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:33:43,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:33:43,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:33:43,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:33:43,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:33:43,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:33:43,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:33:43,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:33:43,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:33:43,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:33:43,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:33:43,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:33:43,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:33:43,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:33:43,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:33:43,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:33:43,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:33:43,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:33:43,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:33:43,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:33:43,899 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:33:43,931 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:33:43,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:33:43,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:33:43,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:33:43,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:33:43,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:33:43,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:33:43,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:33:43,934 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:33:43,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:33:43,935 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:33:43,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:33:43,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:33:43,938 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:33:43,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:33:43,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:33:43,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:33:43,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:33:43,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:43,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:33:43,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:33:43,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:33:43,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:33:43,941 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:33:43,941 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:33:43,941 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2173db9a2274c43e93688b39a8ab5256e9054c31e7330b4f58c34c545dbb4480 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:33:44,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:33:44,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:33:44,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:33:44,258 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:33:44,258 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:33:44,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-08-30 12:33:45,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:33:45,689 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:33:45,690 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-two-queue.wvr.c [2023-08-30 12:33:45,695 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c27d8e80/317abc87ff1c4b35a38c47eebdb4dadd/FLAG52a4b145e [2023-08-30 12:33:45,710 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c27d8e80/317abc87ff1c4b35a38c47eebdb4dadd [2023-08-30 12:33:45,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:33:45,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:33:45,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:45,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:33:45,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:33:45,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:45" (1/1) ... [2023-08-30 12:33:45,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@544efa23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:45, skipping insertion in model container [2023-08-30 12:33:45,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:33:45" (1/1) ... [2023-08-30 12:33:45,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:33:45,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:45,945 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-two-queue.wvr.c[2987,3000] [2023-08-30 12:33:45,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:45,978 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 12:33:45,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:33:46,015 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-two-queue.wvr.c[2987,3000] [2023-08-30 12:33:46,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:46,030 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:33:46,063 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-two-queue.wvr.c[2987,3000] [2023-08-30 12:33:46,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:33:46,085 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:46,085 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:33:46,091 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:33:46,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46 WrapperNode [2023-08-30 12:33:46,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:33:46,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:46,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:33:46,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:33:46,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,154 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 216 [2023-08-30 12:33:46,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:33:46,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:33:46,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:33:46,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:33:46,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,209 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:33:46,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:33:46,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:33:46,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:33:46,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (1/1) ... [2023-08-30 12:33:46,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:33:46,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:33:46,251 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 12:33:46,257 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 12:33:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:33:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:33:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:33:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:33:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:33:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:33:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:33:46,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:33:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:33:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:33:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 12:33:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:33:46,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:33:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:33:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:33:46,288 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 12:33:46,384 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:33:46,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:33:46,872 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:33:47,042 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:33:47,042 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 12:33:47,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:47 BoogieIcfgContainer [2023-08-30 12:33:47,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:33:47,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:33:47,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:33:47,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:33:47,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:33:45" (1/3) ... [2023-08-30 12:33:47,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df3c901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:47, skipping insertion in model container [2023-08-30 12:33:47,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:33:46" (2/3) ... [2023-08-30 12:33:47,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df3c901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:33:47, skipping insertion in model container [2023-08-30 12:33:47,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:33:47" (3/3) ... [2023-08-30 12:33:47,051 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-two-queue.wvr.c [2023-08-30 12:33:47,058 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:33:47,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:33:47,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 12:33:47,066 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:33:47,122 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:33:47,128 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 12:33:47,132 INFO L158 Benchmark]: Toolchain (without parser) took 1418.11ms. Allocated memory is still 102.8MB. Free memory was 80.3MB in the beginning and 60.5MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,133 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 57.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:33:47,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.49ms. Allocated memory is still 102.8MB. Free memory was 80.0MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.18ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,134 INFO L158 Benchmark]: Boogie Preprocessor took 62.84ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,135 INFO L158 Benchmark]: RCFGBuilder took 824.53ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 76.4MB in the end (delta: -14.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,135 INFO L158 Benchmark]: TraceAbstraction took 84.86ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 60.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:33:47,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 45.7MB in the end (delta: 57.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.49ms. Allocated memory is still 102.8MB. Free memory was 80.0MB in the beginning and 66.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.18ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 63.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.84ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 61.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.53ms. Allocated memory is still 102.8MB. Free memory was 61.9MB in the beginning and 76.4MB in the end (delta: -14.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 84.86ms. Allocated memory is still 102.8MB. Free memory was 75.8MB in the beginning and 60.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. 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 12:33:47,157 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