./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe016_power.oepc.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/safe016_power.oepc.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 a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf --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 01:55:18,415 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:55:18,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:55:18,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:55:18,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:55:18,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:55:18,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:55:18,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:55:18,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:55:18,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:55:18,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:55:18,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:55:18,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:55:18,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:55:18,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:55:18,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:55:18,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:55:18,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:55:18,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:55:18,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:55:18,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:55:18,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:55:18,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:55:18,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:55:18,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:55:18,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:55:18,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:55:18,493 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:55:18,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:55:18,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:55:18,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:55:18,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:55:18,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:55:18,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:55:18,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:55:18,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:55:18,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:55:18,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:55:18,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:55:18,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:55:18,501 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:55:18,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:55:18,531 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:55:18,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:55:18,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:55:18,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:55:18,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:55:18,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:55:18,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:55:18,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:55:18,534 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:55:18,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:55:18,535 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:55:18,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:55:18,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:55:18,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:55:18,537 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:55:18,537 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:55:18,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:55:18,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:55:18,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:55:18,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:55:18,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:55:18,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:55:18,539 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:55:18,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:55:18,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:55:18,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:55:18,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:55:18,806 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:55:18,806 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:55:18,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_power.oepc.i [2023-08-30 01:55:20,025 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:55:20,243 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:55:20,244 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_power.oepc.i [2023-08-30 01:55:20,260 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21d7a549/0f0d5b614bec45968556ae6305080f70/FLAGf3b034315 [2023-08-30 01:55:20,270 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f21d7a549/0f0d5b614bec45968556ae6305080f70 [2023-08-30 01:55:20,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:55:20,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:55:20,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:55:20,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:55:20,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:55:20,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b196a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20, skipping insertion in model container [2023-08-30 01:55:20,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:55:20,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:55:20,545 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/safe016_power.oepc.i[995,1008] [2023-08-30 01:55:20,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:55:20,736 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:55:20,749 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/safe016_power.oepc.i[995,1008] [2023-08-30 01:55:20,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:55:20,837 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:55:20,838 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:55:20,842 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:55:20,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20 WrapperNode [2023-08-30 01:55:20,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:55:20,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:55:20,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:55:20,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:55:20,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,879 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,908 INFO L138 Inliner]: procedures = 177, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 188 [2023-08-30 01:55:20,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:55:20,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:55:20,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:55:20,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:55:20,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:55:20,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:55:20,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:55:20,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:55:20,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (1/1) ... [2023-08-30 01:55:20,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:55:20,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:55:21,034 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 01:55:21,065 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 01:55:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:55:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:55:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:55:21,104 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:55:21,104 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:55:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:55:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:55:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 01:55:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 01:55:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:55:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:55:21,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:55:21,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:55:21,107 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 01:55:21,287 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:55:21,289 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:55:21,774 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:55:22,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:55:22,336 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:55:22,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:55:22 BoogieIcfgContainer [2023-08-30 01:55:22,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:55:22,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:55:22,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:55:22,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:55:22,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:55:20" (1/3) ... [2023-08-30 01:55:22,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369fe6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:55:22, skipping insertion in model container [2023-08-30 01:55:22,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:20" (2/3) ... [2023-08-30 01:55:22,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369fe6d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:55:22, skipping insertion in model container [2023-08-30 01:55:22,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:55:22" (3/3) ... [2023-08-30 01:55:22,344 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.oepc.i [2023-08-30 01:55:22,380 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:55:22,380 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-30 01:55:22,380 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:55:22,491 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:55:22,495 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 01:55:22,499 INFO L158 Benchmark]: Toolchain (without parser) took 2224.96ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 78.6MB in the beginning and 68.0MB in the end (delta: 10.5MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,499 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:55:22,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.72ms. Allocated memory is still 100.7MB. Free memory was 78.6MB in the beginning and 53.0MB in the end (delta: 25.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.92ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 50.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,501 INFO L158 Benchmark]: Boogie Preprocessor took 56.15ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 47.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,502 INFO L158 Benchmark]: RCFGBuilder took 1371.85ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 47.7MB in the beginning and 49.4MB in the end (delta: -1.7MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,503 INFO L158 Benchmark]: TraceAbstraction took 158.29ms. Allocated memory is still 138.4MB. Free memory was 48.4MB in the beginning and 68.0MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-08-30 01:55:22,508 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 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.72ms. Allocated memory is still 100.7MB. Free memory was 78.6MB in the beginning and 53.0MB in the end (delta: 25.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.92ms. Allocated memory is still 100.7MB. Free memory was 53.0MB in the beginning and 50.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.15ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 47.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1371.85ms. Allocated memory was 100.7MB in the beginning and 138.4MB in the end (delta: 37.7MB). Free memory was 47.7MB in the beginning and 49.4MB in the end (delta: -1.7MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 158.29ms. Allocated memory is still 138.4MB. Free memory was 48.4MB in the beginning and 68.0MB in the end (delta: -19.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:55:22,528 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/safe016_power.oepc.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 a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf --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 01:55:24,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:55:24,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:55:24,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:55:24,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:55:24,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:55:24,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:55:24,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:55:24,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:55:24,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:55:24,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:55:24,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:55:24,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:55:24,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:55:24,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:55:24,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:55:24,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:55:24,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:55:24,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:55:24,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:55:24,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:55:24,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:55:24,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:55:24,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:55:24,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:55:24,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:55:24,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:55:24,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:55:24,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:55:24,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:55:24,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:55:24,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:55:24,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:55:24,222 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:55:24,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:55:24,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:55:24,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:55:24,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:55:24,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:55:24,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:55:24,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:55:24,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:55:24,246 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:55:24,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:55:24,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:55:24,247 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:55:24,248 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:55:24,248 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:55:24,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:55:24,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:55:24,249 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:55:24,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:55:24,250 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:55:24,251 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:55:24,252 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:55:24,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:55:24,252 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:55:24,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:55:24,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:55:24,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:55:24,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:55:24,253 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:55:24,254 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a45428c1422efa85fd947d764edf0847add56b17c38e18f54072b18b642fedaf Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:55:24,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:55:24,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:55:24,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:55:24,572 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:55:24,588 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:55:24,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_power.oepc.i [2023-08-30 01:55:25,644 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:55:25,835 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:55:25,843 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_power.oepc.i [2023-08-30 01:55:25,855 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ace38f7/7f21ad8c89e14f3b9003a8c6a8e033ad/FLAG8e6763cb6 [2023-08-30 01:55:25,863 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ace38f7/7f21ad8c89e14f3b9003a8c6a8e033ad [2023-08-30 01:55:25,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:55:25,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:55:25,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:55:25,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:55:25,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:55:25,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:55:25" (1/1) ... [2023-08-30 01:55:25,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ffefcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:25, skipping insertion in model container [2023-08-30 01:55:25,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:55:25" (1/1) ... [2023-08-30 01:55:25,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:55:25,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:55:26,019 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/safe016_power.oepc.i[995,1008] [2023-08-30 01:55:26,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:55:26,172 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:55:26,180 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/safe016_power.oepc.i[995,1008] [2023-08-30 01:55:26,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:55:26,263 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:55:26,263 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:55:26,267 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:55:26,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26 WrapperNode [2023-08-30 01:55:26,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:55:26,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:55:26,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:55:26,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:55:26,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,341 INFO L138 Inliner]: procedures = 181, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2023-08-30 01:55:26,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:55:26,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:55:26,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:55:26,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:55:26,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,386 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:55:26,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:55:26,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:55:26,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:55:26,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (1/1) ... [2023-08-30 01:55:26,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:55:26,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:55:26,441 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 01:55:26,460 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 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:55:26,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:55:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:55:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:55:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:55:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:55:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:55:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:55:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:55:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 01:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 01:55:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:55:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:55:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:55:26,471 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 01:55:26,656 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:55:26,657 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:55:27,183 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:55:27,819 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:55:27,821 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:55:27,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:55:27 BoogieIcfgContainer [2023-08-30 01:55:27,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:55:27,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:55:27,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:55:27,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:55:27,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:55:25" (1/3) ... [2023-08-30 01:55:27,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f55bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:55:27, skipping insertion in model container [2023-08-30 01:55:27,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:55:26" (2/3) ... [2023-08-30 01:55:27,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f55bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:55:27, skipping insertion in model container [2023-08-30 01:55:27,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:55:27" (3/3) ... [2023-08-30 01:55:27,869 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.oepc.i [2023-08-30 01:55:27,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:55:27,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2023-08-30 01:55:27,883 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:55:28,001 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:55:28,006 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 01:55:28,010 INFO L158 Benchmark]: Toolchain (without parser) took 2143.77ms. Allocated memory was 71.3MB in the beginning and 121.6MB in the end (delta: 50.3MB). Free memory was 39.4MB in the beginning and 38.6MB in the end (delta: 740.4kB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,011 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:55:28,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.39ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 32.8MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.00ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 32.8MB in the beginning and 78.8MB in the end (delta: -46.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,012 INFO L158 Benchmark]: Boogie Preprocessor took 49.40ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,013 INFO L158 Benchmark]: RCFGBuilder took 1445.24ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 75.6MB in the beginning and 41.5MB in the end (delta: 34.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,013 INFO L158 Benchmark]: TraceAbstraction took 143.45ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 38.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-08-30 01:55:28,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.39ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 32.8MB in the end (delta: 6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.00ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 32.8MB in the beginning and 78.8MB in the end (delta: -46.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.40ms. Allocated memory is still 100.7MB. Free memory was 78.8MB in the beginning and 76.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1445.24ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 75.6MB in the beginning and 41.5MB in the end (delta: 34.1MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * TraceAbstraction took 143.45ms. Allocated memory is still 121.6MB. Free memory was 89.0MB in the beginning and 38.6MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. 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 01:55:28,065 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