./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3447fa4cbed8c2dd9f8bb92c4d44acca15639ccfd4d81b58d710cf11090f115c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:54:37,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:54:37,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:54:37,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:54:37,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:54:37,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:54:37,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:54:37,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:54:37,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:54:37,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:54:37,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:54:37,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:54:37,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:54:37,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:54:37,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:54:37,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:54:37,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:54:37,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:54:37,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:54:37,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:54:37,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:54:37,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:54:37,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:54:37,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:54:37,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:54:37,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:54:37,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:54:37,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:54:37,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:54:37,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:54:37,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:54:37,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:54:37,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:54:37,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:54:37,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:54:37,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:54:37,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:54:37,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:54:37,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:54:37,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:54:37,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:54:37,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:54:37,809 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:54:37,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:54:37,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:54:37,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:54:37,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:54:37,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:54:37,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:54:37,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:54:37,812 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:54:37,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:54:37,813 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:54:37,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:54:37,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:54:37,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:54:37,814 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:54:37,815 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:54:37,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:54:37,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:54:37,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:54:37,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:54:37,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:54:37,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:54:37,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:54:37,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:54:37,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:54:37,816 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:54:37,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:54:37,817 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:54:37,817 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3447fa4cbed8c2dd9f8bb92c4d44acca15639ccfd4d81b58d710cf11090f115c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:54:38,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:54:38,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:54:38,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:54:38,085 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:54:38,098 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:54:38,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-30 01:54:39,120 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:54:39,354 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:54:39,359 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-30 01:54:39,375 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5083ba264/d39f7da29a6646a7b545e769684d6ca7/FLAG2193e17e4 [2023-08-30 01:54:39,387 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5083ba264/d39f7da29a6646a7b545e769684d6ca7 [2023-08-30 01:54:39,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:54:39,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:54:39,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:54:39,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:54:39,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:54:39,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2da8352b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39, skipping insertion in model container [2023-08-30 01:54:39,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:54:39,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:54:39,530 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2023-08-30 01:54:39,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:54:39,680 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:54:39,690 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2023-08-30 01:54:39,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:54:39,750 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:54:39,750 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:54:39,754 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:54:39,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39 WrapperNode [2023-08-30 01:54:39,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:54:39,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:54:39,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:54:39,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:54:39,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,800 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-08-30 01:54:39,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:54:39,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:54:39,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:54:39,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:54:39,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,831 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:54:39,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:54:39,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:54:39,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:54:39,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (1/1) ... [2023-08-30 01:54:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:54:39,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:54:39,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:54:39,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:54:39,894 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:54:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:54:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:54:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:54:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:54:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:54:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:54:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:54:39,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:54:39,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:54:39,896 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:54:40,008 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:54:40,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:54:40,202 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:54:40,206 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:54:40,207 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:54:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:54:40 BoogieIcfgContainer [2023-08-30 01:54:40,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:54:40,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:54:40,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:54:40,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:54:40,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:54:39" (1/3) ... [2023-08-30 01:54:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8834e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:54:40, skipping insertion in model container [2023-08-30 01:54:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:39" (2/3) ... [2023-08-30 01:54:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8834e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:54:40, skipping insertion in model container [2023-08-30 01:54:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:54:40" (3/3) ... [2023-08-30 01:54:40,214 INFO L112 eAbstractionObserver]: Analyzing ICFG safe008_tso.i [2023-08-30 01:54:40,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:54:40,226 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 01:54:40,226 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:54:40,276 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:54:40,281 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:54:40,284 INFO L158 Benchmark]: Toolchain (without parser) took 894.12ms. Allocated memory is still 67.1MB. Free memory was 43.5MB in the beginning and 30.6MB in the end (delta: 12.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,284 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:54:40,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.08ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.32ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,285 INFO L158 Benchmark]: Boogie Preprocessor took 36.11ms. Allocated memory is still 67.1MB. Free memory was 36.2MB in the beginning and 34.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,286 INFO L158 Benchmark]: RCFGBuilder took 370.62ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 37.9MB in the end (delta: -3.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,286 INFO L158 Benchmark]: TraceAbstraction took 72.84ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 30.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:54:40,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 30.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.08ms. Allocated memory is still 67.1MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.32ms. Allocated memory is still 67.1MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.11ms. Allocated memory is still 67.1MB. Free memory was 36.2MB in the beginning and 34.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.62ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 37.9MB in the end (delta: -3.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * TraceAbstraction took 72.84ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 30.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:54:40,303 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3447fa4cbed8c2dd9f8bb92c4d44acca15639ccfd4d81b58d710cf11090f115c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:54:42,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:54:42,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:54:42,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:54:42,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:54:42,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:54:42,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:54:42,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:54:42,116 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:54:42,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:54:42,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:54:42,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:54:42,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:54:42,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:54:42,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:54:42,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:54:42,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:54:42,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:54:42,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:54:42,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:54:42,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:54:42,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:54:42,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:54:42,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:54:42,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:54:42,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:54:42,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:54:42,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:54:42,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:54:42,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:54:42,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:54:42,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:54:42,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:54:42,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:54:42,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:54:42,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:54:42,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:54:42,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:54:42,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:54:42,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:54:42,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:54:42,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:54:42,184 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:54:42,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:54:42,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:54:42,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:54:42,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:54:42,185 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:54:42,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:54:42,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:54:42,185 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:54:42,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:54:42,185 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:54:42,185 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:54:42,186 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:54:42,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:54:42,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:54:42,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:54:42,188 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:54:42,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:54:42,189 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:54:42,189 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:54:42,189 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3447fa4cbed8c2dd9f8bb92c4d44acca15639ccfd4d81b58d710cf11090f115c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:54:42,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:54:42,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:54:42,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:54:42,478 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:54:42,478 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:54:42,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-30 01:54:43,497 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:54:43,731 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:54:43,732 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i [2023-08-30 01:54:43,743 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfded8ea8/2d5b2e7aeeeb4e5db6532848166a0c4b/FLAGc01fae0a1 [2023-08-30 01:54:43,751 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfded8ea8/2d5b2e7aeeeb4e5db6532848166a0c4b [2023-08-30 01:54:43,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:54:43,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:54:43,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:54:43,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:54:43,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:54:43,757 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:54:43" (1/1) ... [2023-08-30 01:54:43,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b87f12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:43, skipping insertion in model container [2023-08-30 01:54:43,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:54:43" (1/1) ... [2023-08-30 01:54:43,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:54:43,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:54:43,869 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2023-08-30 01:54:43,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:54:43,985 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:54:43,995 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.i[945,958] [2023-08-30 01:54:44,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:54:44,093 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:54:44,094 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:54:44,098 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:54:44,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44 WrapperNode [2023-08-30 01:54:44,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:54:44,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:54:44,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:54:44,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:54:44,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,132 INFO L138 Inliner]: procedures = 179, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-08-30 01:54:44,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:54:44,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:54:44,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:54:44,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:54:44,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,150 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:54:44,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:54:44,153 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:54:44,153 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:54:44,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (1/1) ... [2023-08-30 01:54:44,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:54:44,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:54:44,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:54:44,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:54:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:54:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:54:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:54:44,275 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:54:44,368 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:54:44,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:54:44,563 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:54:44,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:54:44,568 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:54:44,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:54:44 BoogieIcfgContainer [2023-08-30 01:54:44,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:54:44,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:54:44,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:54:44,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:54:44,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:54:43" (1/3) ... [2023-08-30 01:54:44,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1385bc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:54:44, skipping insertion in model container [2023-08-30 01:54:44,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:54:44" (2/3) ... [2023-08-30 01:54:44,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1385bc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:54:44, skipping insertion in model container [2023-08-30 01:54:44,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:54:44" (3/3) ... [2023-08-30 01:54:44,574 INFO L112 eAbstractionObserver]: Analyzing ICFG safe008_tso.i [2023-08-30 01:54:44,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:54:44,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 01:54:44,585 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:54:44,654 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:54:44,659 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:54:44,672 INFO L158 Benchmark]: Toolchain (without parser) took 917.55ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 43.7MB in the beginning and 56.0MB in the end (delta: -12.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,673 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:54:44,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.65ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 43.5MB in the beginning and 84.7MB in the end (delta: -41.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.14ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,674 INFO L158 Benchmark]: Boogie Preprocessor took 19.98ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,674 INFO L158 Benchmark]: RCFGBuilder took 416.10ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 65.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,675 INFO L158 Benchmark]: TraceAbstraction took 100.35ms. Allocated memory is still 113.2MB. Free memory was 64.3MB in the beginning and 56.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 01:54:44,677 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 67.1MB. Free memory is still 44.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.65ms. Allocated memory was 67.1MB in the beginning and 113.2MB in the end (delta: 46.1MB). Free memory was 43.5MB in the beginning and 84.7MB in the end (delta: -41.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.14ms. Allocated memory is still 113.2MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.98ms. Allocated memory is still 113.2MB. Free memory was 82.6MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.10ms. Allocated memory is still 113.2MB. Free memory was 81.1MB in the beginning and 65.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 100.35ms. Allocated memory is still 113.2MB. Free memory was 64.3MB in the beginning and 56.0MB in the end (delta: 8.4MB). 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 01:54:44,705 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 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