./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --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/13-privatized_19-publish-precision_unknown_2_pos.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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 04:00:00,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:00:00,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:00:00,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:00:00,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:00:00,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:00:00,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:00:00,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:00:00,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:00:00,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:00:00,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:00:00,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:00:00,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:00:00,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:00:00,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:00:00,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:00:00,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:00:00,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:00:00,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:00:00,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:00:00,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:00:00,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:00:00,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:00:00,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:00:00,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:00:00,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:00:00,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:00:00,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:00:00,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:00:00,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:00:00,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:00:00,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:00:00,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:00:00,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:00:00,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:00:00,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:00:00,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:00:00,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:00:00,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:00:00,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:00:00,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:00:00,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 04:00:00,851 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:00:00,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:00:00,852 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:00:00,853 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:00:00,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:00:00,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:00:00,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:00:00,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:00:00,855 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:00:00,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:00:00,856 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:00:00,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:00:00,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:00:00,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:00:00,857 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:00:00,858 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:00:00,858 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:00:00,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:00:00,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:00:00,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:00:00,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:00:00,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:00:00,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:00:00,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 04:00:00,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 04:00:00,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:00:00,860 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:00:00,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:00:00,860 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:00:00,861 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:00:01,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:00:01,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:00:01,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:00:01,203 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:00:01,204 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:00:01,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:02,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:00:02,732 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:00:02,733 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:02,744 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e68b245/e98d48658b774b369259aa6195c2f663/FLAG1af369538 [2023-08-30 04:00:02,767 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e68b245/e98d48658b774b369259aa6195c2f663 [2023-08-30 04:00:02,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:00:02,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:00:02,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:00:02,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:00:02,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:00:02,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:00:02" (1/1) ... [2023-08-30 04:00:02,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334e4e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:02, skipping insertion in model container [2023-08-30 04:00:02,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:00:02" (1/1) ... [2023-08-30 04:00:02,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:00:02,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:00:02,957 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-30 04:00:03,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:00:03,129 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 04:00:03,143 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-30 04:00:03,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:00:03,232 INFO L208 MainTranslator]: Completed translation [2023-08-30 04:00:03,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03 WrapperNode [2023-08-30 04:00:03,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:00:03,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 04:00:03,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 04:00:03,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 04:00:03,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,295 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2023-08-30 04:00:03,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 04:00:03,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 04:00:03,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 04:00:03,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 04:00:03,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,331 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 04:00:03,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 04:00:03,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 04:00:03,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 04:00:03,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (1/1) ... [2023-08-30 04:00:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:00:03,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 04:00:03,374 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 04:00:03,396 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 04:00:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 04:00:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 04:00:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 04:00:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 04:00:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 04:00:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 04:00:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 04:00:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 04:00:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 04:00:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 04:00:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 04:00:03,412 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 04:00:03,536 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 04:00:03,537 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 04:00:03,673 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 04:00:03,679 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 04:00:03,679 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 04:00:03,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:03 BoogieIcfgContainer [2023-08-30 04:00:03,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 04:00:03,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 04:00:03,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 04:00:03,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 04:00:03,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:00:02" (1/3) ... [2023-08-30 04:00:03,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d50c23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:00:03, skipping insertion in model container [2023-08-30 04:00:03,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:03" (2/3) ... [2023-08-30 04:00:03,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d50c23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:00:03, skipping insertion in model container [2023-08-30 04:00:03,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:03" (3/3) ... [2023-08-30 04:00:03,688 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:03,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 04:00:03,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 04:00:03,702 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 04:00:03,759 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 04:00:03,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 73 transitions, 154 flow [2023-08-30 04:00:03,876 INFO L130 PetriNetUnfolder]: 1/72 cut-off events. [2023-08-30 04:00:03,876 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:00:03,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 72 events. 1/72 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-08-30 04:00:03,881 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 73 transitions, 154 flow [2023-08-30 04:00:03,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 68 transitions, 142 flow [2023-08-30 04:00:03,891 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 04:00:03,905 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 68 transitions, 142 flow [2023-08-30 04:00:03,912 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 68 transitions, 142 flow [2023-08-30 04:00:03,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 68 transitions, 142 flow [2023-08-30 04:00:03,930 INFO L130 PetriNetUnfolder]: 1/68 cut-off events. [2023-08-30 04:00:03,930 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:00:03,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 68 events. 1/68 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-08-30 04:00:03,932 INFO L119 LiptonReduction]: Number of co-enabled transitions 448 [2023-08-30 04:00:06,778 INFO L134 LiptonReduction]: Checked pairs total: 1696 [2023-08-30 04:00:06,778 INFO L136 LiptonReduction]: Total number of compositions: 59 [2023-08-30 04:00:06,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 04:00:06,801 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@683b0028, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 04:00:06,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-30 04:00:06,803 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-30 04:00:06,803 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:00:06,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:00:06,804 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-30 04:00:06,804 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-30 04:00:06,807 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:00:06,808 INFO L85 PathProgramCache]: Analyzing trace with hash 257, now seen corresponding path program 1 times [2023-08-30 04:00:06,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 04:00:06,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549929217] [2023-08-30 04:00:06,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:00:06,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 04:00:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:00:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:00:06,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 04:00:06,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549929217] [2023-08-30 04:00:06,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549929217] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:00:06,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:00:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-30 04:00:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377856701] [2023-08-30 04:00:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:00:06,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 04:00:06,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 04:00:06,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 04:00:06,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 04:00:06,939 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 69 out of 132 [2023-08-30 04:00:06,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 46 flow. Second operand has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:06,941 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:00:06,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 69 of 132 [2023-08-30 04:00:06,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:00:07,006 INFO L130 PetriNetUnfolder]: 24/78 cut-off events. [2023-08-30 04:00:07,006 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:00:07,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 146 conditions, 78 events. 24/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 236 event pairs, 24 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 132. Up to 63 conditions per place. [2023-08-30 04:00:07,009 INFO L137 encePairwiseOnDemand]: 130/132 looper letters, 14 selfloop transitions, 0 changer transitions 0/18 dead transitions. [2023-08-30 04:00:07,009 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 18 transitions, 70 flow [2023-08-30 04:00:07,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 04:00:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 04:00:07,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 154 transitions. [2023-08-30 04:00:07,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2023-08-30 04:00:07,023 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 154 transitions. [2023-08-30 04:00:07,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 154 transitions. [2023-08-30 04:00:07,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:00:07,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 154 transitions. [2023-08-30 04:00:07,033 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:07,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:07,038 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 132.0) internal successors, (396), 3 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:07,040 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 46 flow. Second operand 2 states and 154 transitions. [2023-08-30 04:00:07,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 18 transitions, 70 flow [2023-08-30 04:00:07,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 18 transitions, 66 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 04:00:07,045 INFO L231 Difference]: Finished difference. Result has 21 places, 18 transitions, 38 flow [2023-08-30 04:00:07,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=132, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=38, PETRI_PLACES=21, PETRI_TRANSITIONS=18} [2023-08-30 04:00:07,050 INFO L281 CegarLoopForPetriNet]: 24 programPoint places, -3 predicate places. [2023-08-30 04:00:07,050 INFO L495 AbstractCegarLoop]: Abstraction has has 21 places, 18 transitions, 38 flow [2023-08-30 04:00:07,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.5) internal successors, (139), 2 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:07,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:00:07,051 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-30 04:00:07,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 04:00:07,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-30 04:00:07,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:00:07,053 INFO L85 PathProgramCache]: Analyzing trace with hash 7792683, now seen corresponding path program 1 times [2023-08-30 04:00:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 04:00:07,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093476481] [2023-08-30 04:00:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:00:07,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 04:00:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 04:00:07,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-30 04:00:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 04:00:07,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-30 04:00:07,182 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-30 04:00:07,192 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2023-08-30 04:00:07,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2023-08-30 04:00:07,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2023-08-30 04:00:07,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2023-08-30 04:00:07,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2023-08-30 04:00:07,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2023-08-30 04:00:07,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-08-30 04:00:07,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 04:00:07,196 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-30 04:00:07,201 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 04:00:07,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 04:00:07,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:00:07 BasicIcfg [2023-08-30 04:00:07,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 04:00:07,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 04:00:07,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 04:00:07,228 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 04:00:07,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:03" (3/4) ... [2023-08-30 04:00:07,231 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-30 04:00:07,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 04:00:07,233 INFO L158 Benchmark]: Toolchain (without parser) took 4462.15ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 62.4MB in the end (delta: 2.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,233 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:00:07,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.18ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 65.8MB in the end (delta: -1.5MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.02ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,234 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,235 INFO L158 Benchmark]: RCFGBuilder took 339.68ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 49.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,235 INFO L158 Benchmark]: TraceAbstraction took 3544.79ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 63.2MB in the end (delta: -14.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,235 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 88.1MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 729.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:07,237 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 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.18ms. Allocated memory is still 88.1MB. Free memory was 64.3MB in the beginning and 65.8MB in the end (delta: -1.5MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.02ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.68ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 49.1MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3544.79ms. Allocated memory is still 88.1MB. Free memory was 48.6MB in the beginning and 63.2MB in the end (delta: -14.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 88.1MB. Free memory was 63.2MB in the beginning and 62.4MB in the end (delta: 729.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.9s, 71 PlacesBefore, 24 PlacesAfterwards, 68 TransitionsBefore, 20 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 7 FixpointIterations, 36 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 59 TotalNumberOfCompositions, 1696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 778, independent: 608, independent conditional: 0, independent unconditional: 608, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 259, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 778, independent: 381, independent conditional: 0, independent unconditional: 381, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 259, unknown conditional: 0, unknown unconditional: 259] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 8, Positive conditional cache size: 0, Positive unconditional cache size: 8, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 89 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-08-30 04:00:07,257 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/13-privatized_19-publish-precision_unknown_2_pos.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 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 04:00:09,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 04:00:09,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 04:00:09,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 04:00:09,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 04:00:09,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 04:00:09,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 04:00:09,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 04:00:09,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 04:00:09,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 04:00:09,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 04:00:09,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 04:00:09,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 04:00:09,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 04:00:09,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 04:00:09,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 04:00:09,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 04:00:09,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 04:00:09,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 04:00:09,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 04:00:09,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 04:00:09,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 04:00:09,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 04:00:09,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 04:00:09,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 04:00:09,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 04:00:09,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 04:00:09,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 04:00:09,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 04:00:09,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 04:00:09,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 04:00:09,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 04:00:09,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 04:00:09,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 04:00:09,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 04:00:09,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 04:00:09,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 04:00:09,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 04:00:09,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 04:00:09,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 04:00:09,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 04:00:09,376 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 04:00:09,412 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 04:00:09,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 04:00:09,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 04:00:09,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 04:00:09,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 04:00:09,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 04:00:09,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 04:00:09,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 04:00:09,420 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 04:00:09,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 04:00:09,421 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 04:00:09,421 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 04:00:09,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 04:00:09,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 04:00:09,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 04:00:09,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 04:00:09,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 04:00:09,423 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 04:00:09,423 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 04:00:09,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 04:00:09,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 04:00:09,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 04:00:09,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:00:09,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 04:00:09,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 04:00:09,425 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 04:00:09,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 04:00:09,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 04:00:09,425 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 04:00:09,426 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 04:00:09,426 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 04:00:09,426 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 04:00:09,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 04:00:09,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 04:00:09,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 04:00:09,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 04:00:09,746 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 04:00:09,746 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 04:00:09,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:11,029 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 04:00:11,309 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 04:00:11,312 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:11,332 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a594be1b0/fef08bfcaf8249caaca305a2e12bc5c2/FLAG4d9e59d3b [2023-08-30 04:00:11,346 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a594be1b0/fef08bfcaf8249caaca305a2e12bc5c2 [2023-08-30 04:00:11,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 04:00:11,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 04:00:11,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 04:00:11,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 04:00:11,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 04:00:11,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449f7e08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11, skipping insertion in model container [2023-08-30 04:00:11,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 04:00:11,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 04:00:11,589 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-30 04:00:11,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:00:11,753 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 04:00:11,762 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/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2023-08-30 04:00:11,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 04:00:11,829 INFO L208 MainTranslator]: Completed translation [2023-08-30 04:00:11,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11 WrapperNode [2023-08-30 04:00:11,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 04:00:11,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 04:00:11,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 04:00:11,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 04:00:11,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,867 INFO L138 Inliner]: procedures = 166, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-08-30 04:00:11,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 04:00:11,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 04:00:11,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 04:00:11,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 04:00:11,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 04:00:11,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 04:00:11,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 04:00:11,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 04:00:11,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (1/1) ... [2023-08-30 04:00:11,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 04:00:11,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 04:00:11,931 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 04:00:11,933 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 04:00:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 04:00:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 04:00:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 04:00:11,956 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 04:00:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 04:00:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 04:00:11,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 04:00:11,958 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 04:00:12,070 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 04:00:12,072 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 04:00:12,337 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 04:00:12,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 04:00:12,343 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 04:00:12,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:12 BoogieIcfgContainer [2023-08-30 04:00:12,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 04:00:12,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 04:00:12,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 04:00:12,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 04:00:12,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 04:00:11" (1/3) ... [2023-08-30 04:00:12,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5260aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:00:12, skipping insertion in model container [2023-08-30 04:00:12,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 04:00:11" (2/3) ... [2023-08-30 04:00:12,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5260aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 04:00:12, skipping insertion in model container [2023-08-30 04:00:12,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:12" (3/3) ... [2023-08-30 04:00:12,353 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2023-08-30 04:00:12,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 04:00:12,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 04:00:12,367 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 04:00:12,442 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 04:00:12,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 74 transitions, 156 flow [2023-08-30 04:00:12,510 INFO L130 PetriNetUnfolder]: 1/73 cut-off events. [2023-08-30 04:00:12,521 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:00:12,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 73 events. 1/73 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-08-30 04:00:12,524 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 74 transitions, 156 flow [2023-08-30 04:00:12,528 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 69 transitions, 144 flow [2023-08-30 04:00:12,530 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 04:00:12,538 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 69 transitions, 144 flow [2023-08-30 04:00:12,540 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 69 transitions, 144 flow [2023-08-30 04:00:12,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 72 places, 69 transitions, 144 flow [2023-08-30 04:00:12,558 INFO L130 PetriNetUnfolder]: 1/69 cut-off events. [2023-08-30 04:00:12,558 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 04:00:12,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 69 events. 1/69 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2023-08-30 04:00:12,560 INFO L119 LiptonReduction]: Number of co-enabled transitions 448 [2023-08-30 04:00:18,025 INFO L134 LiptonReduction]: Checked pairs total: 1818 [2023-08-30 04:00:18,026 INFO L136 LiptonReduction]: Total number of compositions: 59 [2023-08-30 04:00:18,048 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 04:00:18,055 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@796c3d1b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 04:00:18,056 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-30 04:00:18,058 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-30 04:00:18,058 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 04:00:18,058 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:00:18,059 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-30 04:00:18,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-30 04:00:18,065 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:00:18,065 INFO L85 PathProgramCache]: Analyzing trace with hash 257, now seen corresponding path program 1 times [2023-08-30 04:00:18,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:00:18,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1190641771] [2023-08-30 04:00:18,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:00:18,077 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:00:18,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:00:18,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:00:18,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-08-30 04:00:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 04:00:18,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2023-08-30 04:00:18,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 04:00:18,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 04:00:18,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 04:00:18,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-08-30 04:00:18,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1190641771] [2023-08-30 04:00:18,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1190641771] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 04:00:18,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 04:00:18,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-30 04:00:18,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115100947] [2023-08-30 04:00:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 04:00:18,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 04:00:18,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-08-30 04:00:18,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 04:00:18,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 04:00:18,175 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 133 [2023-08-30 04:00:18,177 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 52 flow. Second operand has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:18,177 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 04:00:18,177 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 133 [2023-08-30 04:00:18,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 04:00:18,237 INFO L130 PetriNetUnfolder]: 16/75 cut-off events. [2023-08-30 04:00:18,237 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-08-30 04:00:18,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 75 events. 16/75 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 230 event pairs, 16 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 111. Up to 45 conditions per place. [2023-08-30 04:00:18,239 INFO L137 encePairwiseOnDemand]: 130/133 looper letters, 12 selfloop transitions, 0 changer transitions 0/19 dead transitions. [2023-08-30 04:00:18,239 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 24 places, 19 transitions, 68 flow [2023-08-30 04:00:18,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 04:00:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 04:00:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 155 transitions. [2023-08-30 04:00:18,264 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5827067669172933 [2023-08-30 04:00:18,264 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 155 transitions. [2023-08-30 04:00:18,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 155 transitions. [2023-08-30 04:00:18,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 04:00:18,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 155 transitions. [2023-08-30 04:00:18,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 77.5) internal successors, (155), 2 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:18,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:18,288 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:18,289 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 52 flow. Second operand 2 states and 155 transitions. [2023-08-30 04:00:18,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 24 places, 19 transitions, 68 flow [2023-08-30 04:00:18,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 19 transitions, 64 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 04:00:18,293 INFO L231 Difference]: Finished difference. Result has 22 places, 19 transitions, 40 flow [2023-08-30 04:00:18,298 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=40, PETRI_PLACES=22, PETRI_TRANSITIONS=19} [2023-08-30 04:00:18,306 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, -4 predicate places. [2023-08-30 04:00:18,321 INFO L495 AbstractCegarLoop]: Abstraction has has 22 places, 19 transitions, 40 flow [2023-08-30 04:00:18,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 04:00:18,323 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 04:00:18,323 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-30 04:00:18,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-08-30 04:00:18,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:00:18,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2023-08-30 04:00:18,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 04:00:18,525 INFO L85 PathProgramCache]: Analyzing trace with hash 7854099, now seen corresponding path program 1 times [2023-08-30 04:00:18,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-08-30 04:00:18,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028655092] [2023-08-30 04:00:18,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 04:00:18,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:00:18,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-08-30 04:00:18,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-08-30 04:00:18,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-08-30 04:00:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 04:00:18,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-30 04:00:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-30 04:00:18,627 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-08-30 04:00:18,628 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-30 04:00:18,629 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2023-08-30 04:00:18,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2023-08-30 04:00:18,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2023-08-30 04:00:18,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2023-08-30 04:00:18,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2023-08-30 04:00:18,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2023-08-30 04:00:18,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-08-30 04:00:18,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-08-30 04:00:18,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-08-30 04:00:18,834 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-30 04:00:18,838 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 04:00:18,838 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 04:00:18,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 04:00:18 BasicIcfg [2023-08-30 04:00:18,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 04:00:18,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 04:00:18,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 04:00:18,863 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 04:00:18,863 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 04:00:12" (3/4) ... [2023-08-30 04:00:18,865 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-08-30 04:00:18,865 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 04:00:18,866 INFO L158 Benchmark]: Toolchain (without parser) took 7514.48ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 62.1MB in the beginning and 67.5MB in the end (delta: -5.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:18,866 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 56.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:00:18,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.35ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 62.2MB in the end (delta: -292.9kB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-08-30 04:00:18,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.61ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 60.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 04:00:18,867 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 58.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:00:18,868 INFO L158 Benchmark]: RCFGBuilder took 452.86ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 43.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 04:00:18,868 INFO L158 Benchmark]: TraceAbstraction took 6514.74ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 67.5MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:00:18,869 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 04:00:18,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 42.7MB in the beginning and 42.6MB in the end (delta: 56.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.35ms. Allocated memory is still 83.9MB. Free memory was 61.9MB in the beginning and 62.2MB in the end (delta: -292.9kB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.61ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 60.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 58.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.86ms. Allocated memory is still 83.9MB. Free memory was 58.5MB in the beginning and 43.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6514.74ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 67.5MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 100.7MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5s, 72 PlacesBefore, 26 PlacesAfterwards, 69 TransitionsBefore, 23 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 59 TotalNumberOfCompositions, 1818 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1025, independent: 868, independent conditional: 0, independent unconditional: 868, dependent: 157, dependent conditional: 0, dependent unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 250, independent: 229, independent conditional: 0, independent unconditional: 229, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1025, independent: 639, independent conditional: 0, independent unconditional: 639, dependent: 136, dependent conditional: 0, dependent unconditional: 136, unknown: 250, unknown conditional: 0, unknown unconditional: 250] , Statistics on independence cache: Total cache size (in pairs): 46, Positive cache size: 34, Positive conditional cache size: 0, Positive unconditional cache size: 34, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - UnprovableResult [Line: 19]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 19. Possible FailurePath: [L681] 0 int glob1 = 0; [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L696] 0 pthread_t id; [L697] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, id={7:0}, mutex1={3:0}, mutex2={4:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=0] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 90 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-08-30 04:00:18,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample