./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.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/28-race_reach_04-munge_racefree.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 50de8acec85b0b2508f1f33521d9ab6717fa1b5141d6b9e2d08fcb4af894112b --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 02:00:31,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:00:31,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:00:31,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:00:31,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:00:31,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:00:31,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:00:31,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:00:31,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:00:31,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:00:31,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:00:31,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:00:31,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:00:31,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:00:31,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:00:31,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:00:31,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:00:31,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:00:31,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:00:31,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:00:31,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:00:31,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:00:31,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:00:31,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:00:31,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:00:31,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:00:31,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:00:31,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:00:31,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:00:31,797 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:00:31,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:00:31,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:00:31,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:00:31,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:00:31,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:00:31,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:00:31,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:00:31,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:00:31,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:00:31,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:00:31,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:00:31,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:00:31,834 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:00:31,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:00:31,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:00:31,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:00:31,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:00:31,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:00:31,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:00:31,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:00:31,837 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:00:31,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:00:31,838 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:00:31,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:00:31,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:00:31,840 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:00:31,840 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:00:31,840 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:00:31,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:00:31,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:00:31,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:00:31,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:00:31,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:00:31,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:00:31,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:00:31,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:00:31,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:00:31,843 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:00:31,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:00:31,843 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:00:31,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50de8acec85b0b2508f1f33521d9ab6717fa1b5141d6b9e2d08fcb4af894112b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:00:32,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:00:32,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:00:32,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:00:32,117 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:00:32,118 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:00:32,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i [2023-08-30 02:00:33,395 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:00:33,635 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:00:33,637 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i [2023-08-30 02:00:33,648 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cce73d8/68265b7350704f7381e4bebef25aef54/FLAG1821eb73e [2023-08-30 02:00:33,663 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5cce73d8/68265b7350704f7381e4bebef25aef54 [2023-08-30 02:00:33,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:00:33,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:00:33,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:00:33,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:00:33,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:00:33,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:00:33" (1/1) ... [2023-08-30 02:00:33,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1592737c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:33, skipping insertion in model container [2023-08-30 02:00:33,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:00:33" (1/1) ... [2023-08-30 02:00:33,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:00:33,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:00:33,999 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i[30176,30189] [2023-08-30 02:00:34,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:00:34,064 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:00:34,115 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i[30176,30189] [2023-08-30 02:00:34,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:00:34,171 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:00:34,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34 WrapperNode [2023-08-30 02:00:34,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:00:34,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:00:34,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:00:34,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:00:34,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,202 INFO L138 Inliner]: procedures = 172, calls = 37, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 202 [2023-08-30 02:00:34,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:00:34,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:00:34,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:00:34,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:00:34,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,223 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:00:34,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:00:34,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:00:34,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:00:34,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (1/1) ... [2023-08-30 02:00:34,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:00:34,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:00:34,248 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 02:00:34,263 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 02:00:34,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 02:00:34,273 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 02:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:00:34,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-08-30 02:00:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-08-30 02:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:00:34,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:00:34,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:00:34,275 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 02:00:34,366 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:00:34,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:00:34,670 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:00:34,676 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:00:34,676 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-08-30 02:00:34,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:00:34 BoogieIcfgContainer [2023-08-30 02:00:34,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:00:34,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:00:34,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:00:34,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:00:34,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:00:33" (1/3) ... [2023-08-30 02:00:34,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abcf123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:00:34, skipping insertion in model container [2023-08-30 02:00:34,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:34" (2/3) ... [2023-08-30 02:00:34,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abcf123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:00:34, skipping insertion in model container [2023-08-30 02:00:34,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:00:34" (3/3) ... [2023-08-30 02:00:34,683 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_04-munge_racefree.i [2023-08-30 02:00:34,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:00:34,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 02:00:34,695 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:00:34,766 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 02:00:34,771 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 02:00:34,774 INFO L158 Benchmark]: Toolchain (without parser) took 1107.62ms. Allocated memory is still 73.4MB. Free memory was 49.6MB in the beginning and 31.0MB in the end (delta: 18.6MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,774 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:00:34,775 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.65ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.21ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 44.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,775 INFO L158 Benchmark]: Boogie Preprocessor took 22.04ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,776 INFO L158 Benchmark]: RCFGBuilder took 452.00ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 42.9MB in the end (delta: -267.6kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,776 INFO L158 Benchmark]: TraceAbstraction took 93.77ms. Allocated memory is still 73.4MB. Free memory was 42.2MB in the beginning and 31.0MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:00:34,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 52.4MB. Free memory is still 29.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 505.65ms. Allocated memory is still 73.4MB. Free memory was 49.4MB in the beginning and 47.4MB in the end (delta: 2.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.21ms. Allocated memory is still 73.4MB. Free memory was 47.4MB in the beginning and 44.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.04ms. Allocated memory is still 73.4MB. Free memory was 44.7MB in the beginning and 42.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 452.00ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 42.9MB in the end (delta: -267.6kB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 93.77ms. Allocated memory is still 73.4MB. Free memory was 42.2MB in the beginning and 31.0MB in the end (delta: 11.2MB). 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 02:00:34,799 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/28-race_reach_04-munge_racefree.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 50de8acec85b0b2508f1f33521d9ab6717fa1b5141d6b9e2d08fcb4af894112b --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 02:00:36,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:00:36,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:00:36,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:00:36,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:00:36,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:00:36,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:00:36,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:00:36,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:00:36,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:00:36,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:00:36,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:00:36,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:00:36,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:00:36,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:00:36,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:00:36,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:00:36,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:00:36,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:00:36,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:00:36,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:00:36,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:00:36,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:00:36,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:00:36,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:00:36,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:00:36,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:00:36,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:00:36,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:00:36,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:00:36,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:00:36,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:00:36,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:00:36,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:00:36,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:00:36,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:00:36,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:00:36,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:00:36,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:00:36,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:00:36,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:00:36,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:00:36,751 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:00:36,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:00:36,752 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:00:36,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:00:36,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:00:36,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:00:36,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:00:36,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:00:36,754 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:00:36,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:00:36,755 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:00:36,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:00:36,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:00:36,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:00:36,756 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:00:36,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:00:36,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:00:36,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:00:36,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:00:36,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:00:36,758 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:00:36,758 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:00:36,758 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:00:36,759 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:00:36,759 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:00:36,759 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:00:36,759 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:00:36,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50de8acec85b0b2508f1f33521d9ab6717fa1b5141d6b9e2d08fcb4af894112b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:00:37,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:00:37,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:00:37,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:00:37,055 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:00:37,055 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:00:37,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i [2023-08-30 02:00:38,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:00:38,331 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:00:38,332 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i [2023-08-30 02:00:38,363 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c613970ee/d0376407d5eb4edaa49b53c0f84bcc35/FLAG1d0d45bce [2023-08-30 02:00:38,377 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c613970ee/d0376407d5eb4edaa49b53c0f84bcc35 [2023-08-30 02:00:38,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:00:38,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:00:38,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:00:38,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:00:38,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:00:38,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572a5742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38, skipping insertion in model container [2023-08-30 02:00:38,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:00:38,430 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:00:38,659 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i[30176,30189] [2023-08-30 02:00:38,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:00:38,704 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:00:38,748 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_04-munge_racefree.i[30176,30189] [2023-08-30 02:00:38,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:00:38,811 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:00:38,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38 WrapperNode [2023-08-30 02:00:38,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:00:38,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:00:38,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:00:38,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:00:38,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,865 INFO L138 Inliner]: procedures = 176, calls = 37, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 201 [2023-08-30 02:00:38,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:00:38,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:00:38,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:00:38,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:00:38,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,904 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:00:38,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:00:38,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:00:38,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:00:38,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (1/1) ... [2023-08-30 02:00:38,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:00:38,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:00:38,949 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 02:00:38,964 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 02:00:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:00:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 02:00:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 02:00:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-08-30 02:00:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 02:00:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:00:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:00:38,975 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 02:00:39,081 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:00:39,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:00:39,386 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:00:39,403 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:00:39,403 INFO L302 CfgBuilder]: Removed 24 assume(true) statements. [2023-08-30 02:00:39,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:00:39 BoogieIcfgContainer [2023-08-30 02:00:39,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:00:39,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:00:39,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:00:39,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:00:39,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:00:38" (1/3) ... [2023-08-30 02:00:39,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591b5abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:00:39, skipping insertion in model container [2023-08-30 02:00:39,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:00:38" (2/3) ... [2023-08-30 02:00:39,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@591b5abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:00:39, skipping insertion in model container [2023-08-30 02:00:39,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:00:39" (3/3) ... [2023-08-30 02:00:39,410 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_04-munge_racefree.i [2023-08-30 02:00:39,423 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:00:39,423 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 02:00:39,423 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:00:39,485 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 02:00:39,490 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 02:00:39,493 INFO L158 Benchmark]: Toolchain (without parser) took 1112.77ms. Allocated memory is still 71.3MB. Free memory was 47.9MB in the beginning and 40.6MB in the end (delta: 7.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,494 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:00:39,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.4MB in the end (delta: 4.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.99ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,495 INFO L158 Benchmark]: Boogie Preprocessor took 40.85ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 38.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,495 INFO L158 Benchmark]: RCFGBuilder took 497.20ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 35.3MB in the end (delta: 3.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,496 INFO L158 Benchmark]: TraceAbstraction took 85.93ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 40.6MB in the end (delta: -6.1MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-08-30 02:00:39,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.35ms. Allocated memory is still 71.3MB. Free memory was 47.6MB in the beginning and 43.4MB in the end (delta: 4.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.99ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 40.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.85ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 38.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.20ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 35.3MB in the end (delta: 3.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * TraceAbstraction took 85.93ms. Allocated memory is still 71.3MB. Free memory was 34.5MB in the beginning and 40.6MB in the end (delta: -6.1MB). Peak memory consumption was 9.5MB. 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 02:00:39,519 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