./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread/stack_longer-1.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/stack_longer-1.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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --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 01:48:28,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:28,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:28,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:28,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:28,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:28,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:28,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:28,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:28,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:28,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:28,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:28,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:28,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:28,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:28,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:28,979 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:28,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:28,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:28,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:28,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:29,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:29,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:29,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:29,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:29,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:29,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:29,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:29,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:29,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:29,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:29,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:29,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:29,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:29,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:29,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:29,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:29,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:29,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:29,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:29,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:29,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:48:29,059 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:29,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:29,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:29,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:29,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:29,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:29,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:29,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:29,063 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:29,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:29,064 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:29,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:29,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:29,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:29,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:29,065 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:29,066 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:29,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:29,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:29,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:29,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:29,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:29,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:29,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:48:29,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:48:29,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:29,068 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:29,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:29,069 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:29,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:29,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:29,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:29,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:29,394 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:29,395 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:29,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2023-08-30 01:48:30,652 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:30,947 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:30,947 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2023-08-30 01:48:30,972 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfb916b2/681d39fc854e45e39df790a2fcd31eb0/FLAG18faed9f4 [2023-08-30 01:48:30,987 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfb916b2/681d39fc854e45e39df790a2fcd31eb0 [2023-08-30 01:48:30,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:30,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:30,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:30,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:30,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:30,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:30" (1/1) ... [2023-08-30 01:48:30,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b56f0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:30, skipping insertion in model container [2023-08-30 01:48:30,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:30" (1/1) ... [2023-08-30 01:48:31,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:31,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:31,387 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/stack_longer-1.i[41527,41540] [2023-08-30 01:48:31,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:31,432 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:31,468 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/stack_longer-1.i[41527,41540] [2023-08-30 01:48:31,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:31,540 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:31,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31 WrapperNode [2023-08-30 01:48:31,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:31,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:31,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:31,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:31,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,590 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 156 [2023-08-30 01:48:31,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:31,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:31,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:31,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:31,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:31,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:31,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:31,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:31,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (1/1) ... [2023-08-30 01:48:31,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:31,666 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 01:48:31,683 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 01:48:31,709 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 01:48:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 01:48:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 01:48:31,710 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 01:48:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:31,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:48:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:48:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:48:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:31,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:48:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:31,713 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 01:48:31,830 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:31,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:32,166 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:32,179 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:32,179 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:48:32,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:32 BoogieIcfgContainer [2023-08-30 01:48:32,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:32,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:32,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:32,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:32,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:30" (1/3) ... [2023-08-30 01:48:32,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a45524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:32, skipping insertion in model container [2023-08-30 01:48:32,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:31" (2/3) ... [2023-08-30 01:48:32,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a45524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:32, skipping insertion in model container [2023-08-30 01:48:32,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:32" (3/3) ... [2023-08-30 01:48:32,193 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2023-08-30 01:48:32,209 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:32,209 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-30 01:48:32,210 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:32,348 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:32,354 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 01:48:32,359 INFO L158 Benchmark]: Toolchain (without parser) took 1368.51ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 58.3MB in the end (delta: -11.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,360 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:32,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.67ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 64.2MB in the end (delta: -16.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,361 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.61ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,362 INFO L158 Benchmark]: Boogie Preprocessor took 33.03ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,362 INFO L158 Benchmark]: RCFGBuilder took 558.66ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 70.8MB in the end (delta: -11.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,363 INFO L158 Benchmark]: TraceAbstraction took 172.11ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 58.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:48:32,366 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.67ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 47.3MB in the beginning and 64.2MB in the end (delta: -16.9MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.61ms. Allocated memory is still 96.5MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.03ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 60.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.66ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 70.8MB in the end (delta: -11.2MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * TraceAbstraction took 172.11ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 58.3MB in the end (delta: 11.6MB). 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 01:48:32,388 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/stack_longer-1.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 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --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 01:48:34,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:34,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:34,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:34,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:34,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:34,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:34,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:34,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:34,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:34,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:34,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:34,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:34,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:34,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:34,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:34,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:34,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:34,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:34,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:34,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:34,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:34,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:34,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:34,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:34,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:34,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:34,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:34,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:34,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:34,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:34,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:34,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:34,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:34,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:34,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:34,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:34,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:34,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:34,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:34,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:34,483 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:48:34,518 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:34,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:34,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:34,520 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:34,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:34,521 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:34,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:34,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:34,522 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:34,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:34,523 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:34,523 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:34,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:34,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:34,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:34,524 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:34,524 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:34,525 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:34,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:34,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:34,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:48:34,526 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:48:34,526 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:34,526 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:34,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:34,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:34,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:34,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:34,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:34,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:34,528 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:48:34,528 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:48:34,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:34,529 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:34,529 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:34,529 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:48:34,529 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:34,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:34,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:34,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:34,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:34,892 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:34,892 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:34,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longer-1.i [2023-08-30 01:48:36,180 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:48:36,405 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:48:36,405 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longer-1.i [2023-08-30 01:48:36,420 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bbf01635/f27814fe849e417b83b0eb60b07fe6aa/FLAG33df22f91 [2023-08-30 01:48:36,432 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bbf01635/f27814fe849e417b83b0eb60b07fe6aa [2023-08-30 01:48:36,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:48:36,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:48:36,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:36,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:48:36,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:48:36,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:36" (1/1) ... [2023-08-30 01:48:36,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8ff3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:36, skipping insertion in model container [2023-08-30 01:48:36,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:48:36" (1/1) ... [2023-08-30 01:48:36,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:48:36,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:48:36,932 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/stack_longer-1.i[41527,41540] [2023-08-30 01:48:36,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:36,968 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:48:37,016 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/stack_longer-1.i[41527,41540] [2023-08-30 01:48:37,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:48:37,100 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:48:37,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37 WrapperNode [2023-08-30 01:48:37,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:48:37,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:37,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:48:37,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:48:37,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,150 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 152 [2023-08-30 01:48:37,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:48:37,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:48:37,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:48:37,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:48:37,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:48:37,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:48:37,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:48:37,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:48:37,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (1/1) ... [2023-08-30 01:48:37,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:37,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:48:37,222 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 01:48:37,237 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 01:48:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:48:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 01:48:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 01:48:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 01:48:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 01:48:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:48:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:48:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:48:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:48:37,267 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 01:48:37,470 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:48:37,473 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:48:37,763 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:48:37,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:48:37,776 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 01:48:37,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:37 BoogieIcfgContainer [2023-08-30 01:48:37,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:48:37,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:48:37,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:48:37,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:48:37,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:48:36" (1/3) ... [2023-08-30 01:48:37,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5468ed9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:37, skipping insertion in model container [2023-08-30 01:48:37,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:48:37" (2/3) ... [2023-08-30 01:48:37,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5468ed9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:48:37, skipping insertion in model container [2023-08-30 01:48:37,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:48:37" (3/3) ... [2023-08-30 01:48:37,788 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longer-1.i [2023-08-30 01:48:37,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:48:37,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2023-08-30 01:48:37,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:48:37,951 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 01:48:37,957 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 01:48:37,961 INFO L158 Benchmark]: Toolchain (without parser) took 1524.13ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 43.6MB in the beginning and 61.3MB in the end (delta: -17.7MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,962 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:48:37,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.74ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 50.4MB in the end (delta: -7.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 47.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,964 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 45.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,964 INFO L158 Benchmark]: RCFGBuilder took 591.97ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 42.6MB in the end (delta: 2.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,965 INFO L158 Benchmark]: TraceAbstraction took 178.18ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.9MB in the beginning and 61.3MB in the end (delta: -19.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-08-30 01:48:37,967 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 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.74ms. Allocated memory is still 73.4MB. Free memory was 43.4MB in the beginning and 50.4MB in the end (delta: -7.0MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 73.4MB. Free memory was 50.4MB in the beginning and 47.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 73.4MB. Free memory was 47.7MB in the beginning and 45.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.97ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 42.6MB in the end (delta: 2.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 178.18ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.9MB in the beginning and 61.3MB in the end (delta: -19.3MB). Peak memory consumption was 18.2MB. 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 01:48:37,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE