./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-ext/01b_inc.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-ext/01b_inc.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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --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 01:49:01,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:49:01,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:49:01,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:49:01,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:49:01,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:49:01,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:49:01,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:49:01,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:49:01,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:49:01,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:49:01,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:49:01,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:49:01,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:49:01,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:49:01,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:49:01,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:49:01,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:49:01,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:49:01,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:49:01,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:49:01,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:49:01,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:49:01,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:49:01,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:49:01,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:49:01,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:49:01,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:49:01,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:49:01,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:49:01,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:49:01,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:49:01,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:49:01,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:49:01,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:49:01,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:49:01,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:49:01,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:49:01,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:49:01,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:49:01,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:49:01,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:49:01,457 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:49:01,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:49:01,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:49:01,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:49:01,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:49:01,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:49:01,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:49:01,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:49:01,461 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:49:01,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:49:01,462 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:49:01,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:49:01,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:49:01,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:49:01,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:49:01,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:49:01,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:49:01,464 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:49:01,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:49:01,464 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:49:01,464 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:49:01,464 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:49:01,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:49:01,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:49:01,465 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:49:01,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:01,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:49:01,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:49:01,466 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:49:01,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:49:01,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:49:01,466 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:49:01,467 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:49:01,467 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:49:01,467 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:49:01,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:49:01,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:49:01,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:49:01,802 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:49:01,802 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:49:01,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01b_inc.i [2023-08-30 01:49:02,982 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:03,220 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:03,221 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc.i [2023-08-30 01:49:03,232 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fd78b07/648d2f6254884a9f80eee287d196d2e1/FLAG4e592bdd0 [2023-08-30 01:49:03,251 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50fd78b07/648d2f6254884a9f80eee287d196d2e1 [2023-08-30 01:49:03,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:03,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:03,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:03,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:03,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:03,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7259b277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03, skipping insertion in model container [2023-08-30 01:49:03,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:03,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:03,531 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:03,672 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-ext/01b_inc.i[31005,31018] [2023-08-30 01:49:03,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:03,693 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:03,715 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:03,739 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc.i[31005,31018] [2023-08-30 01:49:03,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:03,775 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:03,775 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:03,775 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:03,781 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:03,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03 WrapperNode [2023-08-30 01:49:03,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:03,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:03,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:03,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:03,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,841 INFO L138 Inliner]: procedures = 173, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 62 [2023-08-30 01:49:03,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:03,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:03,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:03,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:03,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,882 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:03,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:03,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:03,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:03,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (1/1) ... [2023-08-30 01:49:03,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:03,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:03,930 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 01:49:03,954 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 01:49:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 01:49:03,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 01:49:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:49:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:49:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:03,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:03,971 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 01:49:04,144 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:04,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:04,341 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:04,395 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:04,395 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-30 01:49:04,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:04 BoogieIcfgContainer [2023-08-30 01:49:04,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:04,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:04,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:04,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:03" (1/3) ... [2023-08-30 01:49:04,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218655d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:04, skipping insertion in model container [2023-08-30 01:49:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:03" (2/3) ... [2023-08-30 01:49:04,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218655d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:04, skipping insertion in model container [2023-08-30 01:49:04,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:04" (3/3) ... [2023-08-30 01:49:04,419 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2023-08-30 01:49:04,434 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:04,434 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 01:49:04,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:04,480 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:49:04,486 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 01:49:04,491 INFO L158 Benchmark]: Toolchain (without parser) took 1235.43ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 36.3MB in the beginning and 65.9MB in the end (delta: -29.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:04,492 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:04,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.14ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 36.1MB in the beginning and 63.3MB in the end (delta: -27.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:04,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.27ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:04,494 INFO L158 Benchmark]: Boogie Preprocessor took 52.06ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:04,495 INFO L158 Benchmark]: RCFGBuilder took 501.76ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 45.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:49:04,496 INFO L158 Benchmark]: TraceAbstraction took 76.13ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 65.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:49:04,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 65.0MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.14ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 36.1MB in the beginning and 63.3MB in the end (delta: -27.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.27ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.06ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 59.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.76ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 45.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 76.13ms. Allocated memory is still 92.3MB. Free memory was 71.5MB in the beginning and 65.9MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. 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 01:49:04,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-ext/01b_inc.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 a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 --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 01:49:06,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:49:06,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:49:06,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:49:06,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:49:06,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:49:06,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:49:06,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:49:06,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:49:06,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:49:06,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:49:06,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:49:06,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:49:06,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:49:06,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:49:06,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:49:06,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:49:06,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:49:06,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:49:06,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:49:06,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:49:06,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:49:06,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:49:06,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:49:06,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:49:06,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:49:06,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:49:06,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:49:06,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:49:06,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:49:06,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:49:06,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:49:06,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:49:06,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:49:06,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:49:06,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:49:06,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:49:06,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:49:06,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:49:06,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:49:06,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:49:06,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:49:06,575 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:49:06,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:49:06,576 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:49:06,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:49:06,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:49:06,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:49:06,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:49:06,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:49:06,578 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:49:06,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:49:06,579 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:49:06,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:49:06,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:49:06,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:49:06,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:49:06,581 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:49:06,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:49:06,582 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:49:06,582 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:49:06,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:49:06,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:49:06,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:49:06,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:06,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:49:06,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:49:06,583 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:49:06,584 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:49:06,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:49:06,584 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:49:06,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:49:06,585 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:49:06,585 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:49:06,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50cd99e32ae608752174b749acce795b64973c8c13edb78d7146b3ab3630fc9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:49:06,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:49:06,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:49:06,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:49:06,885 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:49:06,885 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:49:06,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/01b_inc.i [2023-08-30 01:49:08,121 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:08,363 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:08,367 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/01b_inc.i [2023-08-30 01:49:08,377 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac5ae809c/335e88b3632a4914b2dfd79532159589/FLAGeb660a769 [2023-08-30 01:49:08,391 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac5ae809c/335e88b3632a4914b2dfd79532159589 [2023-08-30 01:49:08,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:08,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:08,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:08,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:08,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:08,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fab0830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08, skipping insertion in model container [2023-08-30 01:49:08,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:08,434 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:08,561 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:08,701 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-ext/01b_inc.i[31005,31018] [2023-08-30 01:49:08,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:08,730 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:08,756 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:08,835 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-ext/01b_inc.i[31005,31018] [2023-08-30 01:49:08,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:08,882 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:08,883 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:08,883 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:08,889 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:08,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08 WrapperNode [2023-08-30 01:49:08,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:08,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:08,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:08,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:08,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,941 INFO L138 Inliner]: procedures = 176, calls = 20, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 63 [2023-08-30 01:49:08,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:08,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:08,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:08,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:08,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:08,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:08,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:08,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:08,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (1/1) ... [2023-08-30 01:49:08,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:08,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:08,998 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 01:49:09,019 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 01:49:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 01:49:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:49:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:09,038 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 01:49:09,227 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:09,229 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:09,425 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:09,490 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:09,490 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-08-30 01:49:09,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:09 BoogieIcfgContainer [2023-08-30 01:49:09,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:09,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:09,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:09,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:09,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:08" (1/3) ... [2023-08-30 01:49:09,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736afd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:09, skipping insertion in model container [2023-08-30 01:49:09,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:08" (2/3) ... [2023-08-30 01:49:09,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@736afd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:09, skipping insertion in model container [2023-08-30 01:49:09,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:09" (3/3) ... [2023-08-30 01:49:09,502 INFO L112 eAbstractionObserver]: Analyzing ICFG 01b_inc.i [2023-08-30 01:49:09,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:09,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 01:49:09,516 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:09,556 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:49:09,562 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 01:49:09,568 INFO L158 Benchmark]: Toolchain (without parser) took 1173.91ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 32.6MB in the end (delta: 13.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,569 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:09,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.78ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 41.9MB in the end (delta: 3.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.37ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,570 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,570 INFO L158 Benchmark]: RCFGBuilder took 526.41ms. Allocated memory is still 69.2MB. Free memory was 38.1MB in the beginning and 39.5MB in the end (delta: -1.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,571 INFO L158 Benchmark]: TraceAbstraction took 70.88ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 32.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:49:09,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.78ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 41.9MB in the end (delta: 3.8MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.37ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 38.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 526.41ms. Allocated memory is still 69.2MB. Free memory was 38.1MB in the beginning and 39.5MB in the end (delta: -1.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 70.88ms. Allocated memory is still 69.2MB. Free memory was 38.9MB in the beginning and 32.6MB in the end (delta: 6.3MB). 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 01:49:09,589 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