./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.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-more-inc-subseq.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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --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 22:34:51,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:51,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:51,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:51,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:51,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:51,799 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:51,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:51,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:51,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:51,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:51,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:51,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:51,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:51,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:51,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:51,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:51,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:51,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:51,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:51,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:51,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:51,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:51,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:51,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:51,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:51,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:51,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:51,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:51,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:51,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:51,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:51,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:51,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:51,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:51,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:51,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:51,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:51,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:51,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:51,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:51,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:34:51,894 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:51,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:51,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:51,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:51,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:51,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:51,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:51,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:51,897 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:51,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:51,898 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:51,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:51,899 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:51,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:51,900 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:51,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:51,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:51,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:51,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:51,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:51,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:51,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:51,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:51,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:34:51,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:34:51,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:51,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:51,903 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:51,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:51,903 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:51,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:52,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:52,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:52,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:52,239 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:52,240 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:52,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:53,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:53,645 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:53,645 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:53,657 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da89f95b/fc4b2b6959ed44bdb8ae0a2c8b97f87e/FLAGb74b88ef8 [2023-08-30 22:34:53,668 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9da89f95b/fc4b2b6959ed44bdb8ae0a2c8b97f87e [2023-08-30 22:34:53,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:53,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:53,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:53,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:53,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:53,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:53,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e22f6d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53, skipping insertion in model container [2023-08-30 22:34:53,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:53,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:53,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:53,890 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-more-inc-subseq.wvr.c[2924,2937] [2023-08-30 22:34:53,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:53,920 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:53,956 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-more-inc-subseq.wvr.c[2924,2937] [2023-08-30 22:34:53,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:53,972 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:53,973 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:53,979 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:53,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53 WrapperNode [2023-08-30 22:34:53,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:53,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:53,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:53,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:53,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,041 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 196 [2023-08-30 22:34:54,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:54,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:54,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:54,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:54,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,090 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:54,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:54,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:54,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:54,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (1/1) ... [2023-08-30 22:34:54,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:54,130 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 22:34:54,157 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 22:34:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:54,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:34:54,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:54,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:34:54,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:54,174 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 22:34:54,300 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:54,301 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:54,686 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:54,776 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:54,776 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:34:54,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:54 BoogieIcfgContainer [2023-08-30 22:34:54,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:54,780 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:54,780 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:54,789 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:54,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:53" (1/3) ... [2023-08-30 22:34:54,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d88ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:54, skipping insertion in model container [2023-08-30 22:34:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:53" (2/3) ... [2023-08-30 22:34:54,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32d88ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:54, skipping insertion in model container [2023-08-30 22:34:54,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:54" (3/3) ... [2023-08-30 22:34:54,791 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:54,798 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:54,806 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:54,806 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:54,806 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:54,890 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:34:54,896 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 22:34:54,900 INFO L158 Benchmark]: Toolchain (without parser) took 1228.03ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 34.7MB in the end (delta: 27.1MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,901 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:54,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.92ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 50.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.57ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,903 INFO L158 Benchmark]: Boogie Preprocessor took 55.76ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,904 INFO L158 Benchmark]: RCFGBuilder took 678.99ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,904 INFO L158 Benchmark]: TraceAbstraction took 118.40ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 34.7MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:34:54,911 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 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.92ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 50.1MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.57ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.76ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 678.99ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 44.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 118.40ms. Allocated memory is still 83.9MB. Free memory was 43.5MB in the beginning and 34.7MB in the end (delta: 8.8MB). 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 22:34:54,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --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 22:34:56,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:56,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:56,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:56,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:56,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:56,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:56,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:56,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:56,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:56,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:56,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:56,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:56,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:56,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:56,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:56,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:56,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:56,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:56,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:56,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:56,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:56,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:56,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:56,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:56,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:56,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:56,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:56,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:56,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:56,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:56,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:56,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:56,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:56,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:56,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:56,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:56,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:56,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:56,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:56,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:56,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:34:56,948 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:56,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:56,950 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:56,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:56,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:56,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:56,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:56,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:56,952 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:56,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:56,953 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:56,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:56,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:56,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:56,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:56,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:56,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:34:56,955 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:34:56,955 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:34:56,955 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:56,955 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:56,956 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:56,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:56,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:56,956 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:56,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:56,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:56,957 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:56,957 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:56,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:56,958 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:34:56,958 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:34:56,958 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:56,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:56,959 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:56,959 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:56,959 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:34:56,960 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:56,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:57,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:57,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:57,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:57,285 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:57,286 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:57,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:58,393 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:58,604 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:58,605 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:58,619 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce854bb40/71941f06ac1d42348b1442180bed13ee/FLAG131642603 [2023-08-30 22:34:58,636 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce854bb40/71941f06ac1d42348b1442180bed13ee [2023-08-30 22:34:58,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:58,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:58,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:58,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:58,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:58,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6f3972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58, skipping insertion in model container [2023-08-30 22:34:58,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:58,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:58,845 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-more-inc-subseq.wvr.c[2924,2937] [2023-08-30 22:34:58,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:58,864 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:34:58,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:58,879 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-more-inc-subseq.wvr.c[2924,2937] [2023-08-30 22:34:58,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:58,886 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:58,906 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-more-inc-subseq.wvr.c[2924,2937] [2023-08-30 22:34:58,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:58,917 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:58,917 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:58,923 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:58,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58 WrapperNode [2023-08-30 22:34:58,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:58,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:58,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:58,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:58,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,964 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 191 [2023-08-30 22:34:58,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:58,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:58,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:58,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:58,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:58,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:59,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:59,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:59,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:59,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (1/1) ... [2023-08-30 22:34:59,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:59,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:59,046 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 22:34:59,048 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 22:34:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:34:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:34:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:34:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:59,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:34:59,073 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 22:34:59,157 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:59,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:59,672 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:59,816 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:59,816 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:34:59,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:59 BoogieIcfgContainer [2023-08-30 22:34:59,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:59,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:59,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:59,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:59,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:58" (1/3) ... [2023-08-30 22:34:59,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9277d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:59, skipping insertion in model container [2023-08-30 22:34:59,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:58" (2/3) ... [2023-08-30 22:34:59,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9277d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:59, skipping insertion in model container [2023-08-30 22:34:59,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:59" (3/3) ... [2023-08-30 22:34:59,835 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-08-30 22:34:59,842 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:59,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:59,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:59,850 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:59,936 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:34:59,942 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 22:34:59,947 INFO L158 Benchmark]: Toolchain (without parser) took 1306.12ms. Allocated memory is still 77.6MB. Free memory was 55.6MB in the beginning and 35.6MB in the end (delta: 20.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,948 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:59,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.16ms. Allocated memory is still 77.6MB. Free memory was 55.6MB in the beginning and 41.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.44ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,950 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 57.2MB in the end (delta: -17.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,951 INFO L158 Benchmark]: RCFGBuilder took 806.33ms. Allocated memory is still 77.6MB. Free memory was 57.2MB in the beginning and 48.2MB in the end (delta: 9.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,952 INFO L158 Benchmark]: TraceAbstraction took 126.10ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 35.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:59,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.16ms. Allocated memory is still 77.6MB. Free memory was 55.6MB in the beginning and 41.8MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.44ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 39.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 57.2MB in the end (delta: -17.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 806.33ms. Allocated memory is still 77.6MB. Free memory was 57.2MB in the beginning and 48.2MB in the end (delta: 9.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 126.10ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 35.6MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:34:59,979 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