./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.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/goblint-regression/04-mutex_22-deref_read.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 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --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 01:58:42,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:58:42,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:58:42,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:58:42,443 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:58:42,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:58:42,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:58:42,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:58:42,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:58:42,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:58:42,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:58:42,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:58:42,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:58:42,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:58:42,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:58:42,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:58:42,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:58:42,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:58:42,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:58:42,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:58:42,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:58:42,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:58:42,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:58:42,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:58:42,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:58:42,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:58:42,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:58:42,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:58:42,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:58:42,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:58:42,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:58:42,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:58:42,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:58:42,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:58:42,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:58:42,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:58:42,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:58:42,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:58:42,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:58:42,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:58:42,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:58:42,492 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:58:42,534 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:58:42,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:58:42,535 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:58:42,535 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:58:42,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:58:42,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:58:42,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:58:42,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:58:42,537 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:58:42,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:58:42,538 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:58:42,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:58:42,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:58:42,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:58:42,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:58:42,539 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:58:42,539 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:58:42,540 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:58:42,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:58:42,540 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:58:42,540 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:58:42,540 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:58:42,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:58:42,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:58:42,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:58:42,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:58:42,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:58:42,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:58:42,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:58:42,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:58:42,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:58:42,542 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:58:42,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:58:42,543 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:58:42,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:58:42,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:58:42,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:58:42,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:58:42,865 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:58:42,866 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:58:42,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-30 01:58:43,967 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:58:44,218 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:58:44,233 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-30 01:58:44,248 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9c2303c/aae96eeb046e4a76bfb8fcfea0b076fe/FLAGa1a302490 [2023-08-30 01:58:44,261 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9c2303c/aae96eeb046e4a76bfb8fcfea0b076fe [2023-08-30 01:58:44,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:58:44,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:58:44,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:58:44,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:58:44,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:58:44,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3818efde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44, skipping insertion in model container [2023-08-30 01:58:44,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:58:44,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:58:44,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:58:44,644 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:58:44,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:58:44,750 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:58:44,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44 WrapperNode [2023-08-30 01:58:44,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:58:44,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:58:44,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:58:44,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:58:44,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,830 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2023-08-30 01:58:44,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:58:44,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:58:44,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:58:44,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:58:44,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:58:44,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:58:44,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:58:44,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:58:44,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (1/1) ... [2023-08-30 01:58:44,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:58:44,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:58:44,890 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 01:58:44,914 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 01:58:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:58:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:58:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:58:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:58:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 01:58:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 01:58:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:58:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:58:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:58:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:58:44,933 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 01:58:45,105 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:58:45,107 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:58:45,247 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:58:45,252 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:58:45,252 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:58:45,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:45 BoogieIcfgContainer [2023-08-30 01:58:45,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:58:45,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:58:45,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:58:45,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:58:45,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:58:44" (1/3) ... [2023-08-30 01:58:45,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df93657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:45, skipping insertion in model container [2023-08-30 01:58:45,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:44" (2/3) ... [2023-08-30 01:58:45,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df93657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:45, skipping insertion in model container [2023-08-30 01:58:45,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:45" (3/3) ... [2023-08-30 01:58:45,260 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2023-08-30 01:58:45,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:58:45,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 01:58:45,276 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:58:45,324 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:58:45,329 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 01:58:45,337 INFO L158 Benchmark]: Toolchain (without parser) took 1072.80ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 32.5MB in the end (delta: 19.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-30 01:58:45,338 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:58:45,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.12ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 54.1MB in the end (delta: -2.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-08-30 01:58:45,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.16ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:58:45,339 INFO L158 Benchmark]: Boogie Preprocessor took 22.63ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 50.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:58:45,339 INFO L158 Benchmark]: RCFGBuilder took 397.16ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 38.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 01:58:45,340 INFO L158 Benchmark]: TraceAbstraction took 81.02ms. Allocated memory is still 75.5MB. Free memory was 37.8MB in the beginning and 32.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:58:45,342 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 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.12ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 54.1MB in the end (delta: -2.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.16ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 52.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.63ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 50.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 397.16ms. Allocated memory is still 75.5MB. Free memory was 50.8MB in the beginning and 38.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 81.02ms. Allocated memory is still 75.5MB. Free memory was 37.8MB in the beginning and 32.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:58:45,366 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/goblint-regression/04-mutex_22-deref_read.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 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --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 01:58:47,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:58:47,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:58:47,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:58:47,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:58:47,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:58:47,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:58:47,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:58:47,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:58:47,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:58:47,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:58:47,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:58:47,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:58:47,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:58:47,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:58:47,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:58:47,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:58:47,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:58:47,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:58:47,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:58:47,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:58:47,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:58:47,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:58:47,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:58:47,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:58:47,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:58:47,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:58:47,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:58:47,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:58:47,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:58:47,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:58:47,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:58:47,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:58:47,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:58:47,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:58:47,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:58:47,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:58:47,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:58:47,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:58:47,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:58:47,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:58:47,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:58:47,465 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:58:47,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:58:47,467 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:58:47,467 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:58:47,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:58:47,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:58:47,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:58:47,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:58:47,469 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:58:47,469 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:58:47,470 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:58:47,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:58:47,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:58:47,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:58:47,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:58:47,471 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:58:47,472 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:58:47,472 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:58:47,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:58:47,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:58:47,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:58:47,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:58:47,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:58:47,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:58:47,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:58:47,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:58:47,473 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:58:47,474 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:58:47,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:58:47,474 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:58:47,474 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:58:47,474 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:58:47,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:58:47,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:58:47,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:58:47,782 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:58:47,782 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:58:47,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-30 01:58:48,915 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:58:49,189 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:58:49,189 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-30 01:58:49,204 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a92b127d1/29ac9b8cb3a74bccb38050f4183dcb8e/FLAGdcba08271 [2023-08-30 01:58:49,219 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a92b127d1/29ac9b8cb3a74bccb38050f4183dcb8e [2023-08-30 01:58:49,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:58:49,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:58:49,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:58:49,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:58:49,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:58:49,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e9c04cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49, skipping insertion in model container [2023-08-30 01:58:49,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:58:49,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:58:49,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:58:49,612 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:58:49,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:58:49,697 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:58:49,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49 WrapperNode [2023-08-30 01:58:49,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:58:49,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:58:49,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:58:49,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:58:49,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,797 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-08-30 01:58:49,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:58:49,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:58:49,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:58:49,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:58:49,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:58:49,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:58:49,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:58:49,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:58:49,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (1/1) ... [2023-08-30 01:58:49,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:58:49,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:58:49,870 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 01:58:49,889 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 01:58:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:58:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:58:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:58:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 01:58:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 01:58:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:58:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:58:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:58:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:58:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:58:49,906 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 01:58:50,053 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:58:50,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:58:50,260 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:58:50,266 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:58:50,266 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:58:50,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:50 BoogieIcfgContainer [2023-08-30 01:58:50,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:58:50,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:58:50,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:58:50,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:58:50,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:58:49" (1/3) ... [2023-08-30 01:58:50,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7013a265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:50, skipping insertion in model container [2023-08-30 01:58:50,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:58:49" (2/3) ... [2023-08-30 01:58:50,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7013a265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:58:50, skipping insertion in model container [2023-08-30 01:58:50,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:58:50" (3/3) ... [2023-08-30 01:58:50,275 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2023-08-30 01:58:50,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:58:50,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 01:58:50,290 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:58:50,337 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:58:50,342 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 01:58:50,349 INFO L158 Benchmark]: Toolchain (without parser) took 1125.21ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 37.7MB in the end (delta: 20.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-08-30 01:58:50,349 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:58:50,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.95ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 38.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:58:50,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.36ms. Allocated memory is still 81.8MB. Free memory was 38.6MB in the beginning and 60.0MB in the end (delta: -21.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:58:50,351 INFO L158 Benchmark]: Boogie Preprocessor took 32.30ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 58.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:58:50,352 INFO L158 Benchmark]: RCFGBuilder took 436.67ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:58:50,353 INFO L158 Benchmark]: TraceAbstraction took 78.06ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 37.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:58:50,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.95ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 38.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.36ms. Allocated memory is still 81.8MB. Free memory was 38.6MB in the beginning and 60.0MB in the end (delta: -21.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.30ms. Allocated memory is still 81.8MB. Free memory was 60.0MB in the beginning and 58.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.67ms. Allocated memory is still 81.8MB. Free memory was 58.3MB in the beginning and 44.8MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 78.06ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 37.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:58:50,378 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