./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-atomic/dekker.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-atomic/dekker.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 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --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 01:48:50,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:50,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:50,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:50,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:50,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:50,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:50,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:50,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:50,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:50,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:50,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:50,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:50,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:50,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:50,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:50,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:50,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:50,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:50,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:50,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:50,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:50,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:50,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:50,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:50,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:50,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:50,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:50,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:50,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:50,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:50,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:50,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:50,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:50,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:50,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:50,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:50,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:50,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:50,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:50,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:50,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:48:50,758 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:50,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:50,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:50,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:50,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:50,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:50,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:50,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:50,762 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:50,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:50,763 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:50,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:50,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:50,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:50,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:50,764 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:50,765 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:50,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:50,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:50,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:50,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:50,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:50,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:50,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:48:50,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:48:50,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:50,768 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:50,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:50,768 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:50,768 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:51,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:51,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:51,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:51,126 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:51,127 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:51,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2023-08-30 01:48:52,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:52,516 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:52,517 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2023-08-30 01:48:52,529 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a18dbcc/a3349c950bf84004819d27130da408a7/FLAGecaa1996a [2023-08-30 01:48:52,543 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79a18dbcc/a3349c950bf84004819d27130da408a7 [2023-08-30 01:48:52,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:52,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:52,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:52,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:52,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:52,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:52" (1/1) ... [2023-08-30 01:48:52,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a34e2f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:52, skipping insertion in model container [2023-08-30 01:48:52,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:52" (1/1) ... [2023-08-30 01:48:52,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:52,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:52,804 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:48:52,952 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-atomic/dekker.i[31403,31416] [2023-08-30 01:48:52,959 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-atomic/dekker.i[32483,32496] [2023-08-30 01:48:52,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:52,979 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:53,001 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:48:53,030 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-atomic/dekker.i[31403,31416] [2023-08-30 01:48:53,036 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-atomic/dekker.i[32483,32496] [2023-08-30 01:48:53,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:53,079 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:53,080 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:53,080 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:53,086 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:53,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53 WrapperNode [2023-08-30 01:48:53,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:53,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:53,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:53,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:53,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,152 INFO L138 Inliner]: procedures = 172, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2023-08-30 01:48:53,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:53,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:53,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:53,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:53,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,191 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:53,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:53,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:53,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:53,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (1/1) ... [2023-08-30 01:48:53,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:53,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:53,243 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 01:48:53,260 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 01:48:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:48:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-30 01:48:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-30 01:48:53,281 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 01:48:53,281 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:53,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:48:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:48:53,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:53,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:53,284 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 01:48:53,457 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:53,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:53,647 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:53,653 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:53,654 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 01:48:53,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:53 BoogieIcfgContainer [2023-08-30 01:48:53,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:53,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:53,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:53,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:53,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:52" (1/3) ... [2023-08-30 01:48:53,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477a317e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:53, skipping insertion in model container [2023-08-30 01:48:53,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:53" (2/3) ... [2023-08-30 01:48:53,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477a317e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:53, skipping insertion in model container [2023-08-30 01:48:53,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:53" (3/3) ... [2023-08-30 01:48:53,664 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2023-08-30 01:48:53,679 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:53,679 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:48:53,680 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:53,754 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:53,760 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 01:48:53,764 INFO L158 Benchmark]: Toolchain (without parser) took 1216.42ms. Allocated memory is still 86.0MB. Free memory was 65.4MB in the beginning and 38.8MB in the end (delta: 26.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,764 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:53,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.85ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 44.6MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.51ms. Allocated memory is still 86.0MB. Free memory was 44.6MB in the beginning and 64.0MB in the end (delta: -19.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,766 INFO L158 Benchmark]: Boogie Preprocessor took 48.24ms. Allocated memory is still 86.0MB. Free memory was 64.0MB in the beginning and 62.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,767 INFO L158 Benchmark]: RCFGBuilder took 453.43ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 47.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,767 INFO L158 Benchmark]: TraceAbstraction took 104.60ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 38.8MB in the end (delta: 7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:48:53,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 58.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 537.85ms. Allocated memory is still 86.0MB. Free memory was 65.1MB in the beginning and 44.6MB in the end (delta: 20.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.51ms. Allocated memory is still 86.0MB. Free memory was 44.6MB in the beginning and 64.0MB in the end (delta: -19.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.24ms. Allocated memory is still 86.0MB. Free memory was 64.0MB in the beginning and 62.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.43ms. Allocated memory is still 86.0MB. Free memory was 62.3MB in the beginning and 47.3MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 104.60ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 38.8MB in the end (delta: 7.8MB). 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 01:48:53,800 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-atomic/dekker.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 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f --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 01:48:55,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:55,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:55,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:55,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:55,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:55,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:55,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:55,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:55,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:55,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:55,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:55,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:55,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:55,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:55,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:55,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:55,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:55,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:55,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:55,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:55,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:55,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:55,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:55,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:55,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:55,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:55,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:55,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:55,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:55,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:55,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:55,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:55,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:55,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:55,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:55,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:55,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:55,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:55,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:55,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:55,793 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:48:55,827 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:55,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:55,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:55,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:55,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:55,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:55,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:55,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:55,831 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:55,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:55,832 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:55,832 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:55,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:55,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:55,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:55,833 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:55,833 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:55,833 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:55,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:55,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:55,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:48:55,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:48:55,834 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:55,834 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:55,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:55,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:55,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:55,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:55,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:55,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:55,836 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:48:55,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:48:55,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:55,836 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:55,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:55,837 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:48:55,837 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:55,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b6ef65da122b5f043dc58aac5c98a5417eca7613b00ec724ef2626b8a50d79f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:56,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:56,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:56,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:56,214 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:56,215 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:56,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker.i [2023-08-30 01:48:57,398 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:57,633 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:57,634 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker.i [2023-08-30 01:48:57,647 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44df36496/97c3d4ef9db54928820a79616c336820/FLAG5e6880dbf [2023-08-30 01:48:57,660 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44df36496/97c3d4ef9db54928820a79616c336820 [2023-08-30 01:48:57,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:57,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:57,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:57,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:57,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:57,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:57" (1/1) ... [2023-08-30 01:48:57,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6d41fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:57, skipping insertion in model container [2023-08-30 01:48:57,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:57" (1/1) ... [2023-08-30 01:48:57,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:57,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:57,886 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:48:57,982 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-atomic/dekker.i[31403,31416] [2023-08-30 01:48:57,989 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-atomic/dekker.i[32483,32496] [2023-08-30 01:48:57,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:58,007 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:58,034 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:48:58,068 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-atomic/dekker.i[31403,31416] [2023-08-30 01:48:58,076 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-atomic/dekker.i[32483,32496] [2023-08-30 01:48:58,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:58,119 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:58,119 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:58,119 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:48:58,124 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:58,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58 WrapperNode [2023-08-30 01:48:58,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:58,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:58,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:58,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:58,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,186 INFO L138 Inliner]: procedures = 175, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-08-30 01:48:58,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:58,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:58,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:58,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:58,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,236 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:58,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:58,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:58,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:58,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (1/1) ... [2023-08-30 01:48:58,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:58,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:58,294 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 01:48:58,303 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 01:48:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:48:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2023-08-30 01:48:58,328 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2023-08-30 01:48:58,328 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 01:48:58,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 01:48:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:48:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:48:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:48:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:48:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:58,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:58,332 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 01:48:58,493 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:58,495 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:58,799 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:58,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:58,807 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 01:48:58,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:58 BoogieIcfgContainer [2023-08-30 01:48:58,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:58,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:58,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:58,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:58,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:57" (1/3) ... [2023-08-30 01:48:58,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b8f648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:58, skipping insertion in model container [2023-08-30 01:48:58,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:58" (2/3) ... [2023-08-30 01:48:58,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b8f648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:58, skipping insertion in model container [2023-08-30 01:48:58,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:58" (3/3) ... [2023-08-30 01:48:58,818 INFO L112 eAbstractionObserver]: Analyzing ICFG dekker.i [2023-08-30 01:48:58,833 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:58,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:48:58,834 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:58,926 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:58,936 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 01:48:58,941 INFO L158 Benchmark]: Toolchain (without parser) took 1277.16ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 31.6MB in the beginning and 58.1MB in the end (delta: -26.5MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-08-30 01:48:58,942 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:58,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.71ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 44.6MB in the end (delta: -13.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-08-30 01:48:58,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.23ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:58,944 INFO L158 Benchmark]: Boogie Preprocessor took 60.06ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:58,945 INFO L158 Benchmark]: RCFGBuilder took 561.30ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 45.3MB in the end (delta: -4.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-08-30 01:48:58,946 INFO L158 Benchmark]: TraceAbstraction took 128.37ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 58.1MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:48:58,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.71ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 44.6MB in the end (delta: -13.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.23ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.06ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.30ms. Allocated memory is still 81.8MB. Free memory was 40.7MB in the beginning and 45.3MB in the end (delta: -4.6MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * TraceAbstraction took 128.37ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 58.1MB in the end (delta: -13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:48:58,981 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