./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 10:14:57,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 10:14:57,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 10:14:57,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 10:14:57,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 10:14:57,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 10:14:57,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 10:14:57,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 10:14:57,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 10:14:57,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 10:14:57,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 10:14:57,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 10:14:57,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 10:14:57,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 10:14:57,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 10:14:57,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 10:14:57,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 10:14:57,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 10:14:57,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 10:14:57,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 10:14:57,837 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 10:14:57,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 10:14:57,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 10:14:57,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 10:14:57,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 10:14:57,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 10:14:57,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 10:14:57,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 10:14:57,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 10:14:57,844 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 10:14:57,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 10:14:57,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 10:14:57,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 10:14:57,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 10:14:57,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 10:14:57,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 10:14:57,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 10:14:57,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 10:14:57,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 10:14:57,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 10:14:57,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 10:14:57,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 10:14:57,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 10:14:57,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 10:14:57,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 10:14:57,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 10:14:57,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 10:14:57,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 10:14:57,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 10:14:57,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 10:14:57,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 10:14:57,868 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 10:14:57,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 10:14:57,868 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 10:14:57,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 10:14:57,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 10:14:57,869 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 10:14:57,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 10:14:57,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 10:14:57,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 10:14:57,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 10:14:57,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:14:57,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 10:14:57,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 10:14:57,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 10:14:57,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dd4f5b1ff018649ffc6fcf6c400dcf6859c8fbe22bc4e1d68608a723e1e2f9d [2022-07-12 10:14:58,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 10:14:58,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 10:14:58,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 10:14:58,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 10:14:58,101 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 10:14:58,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-07-12 10:14:58,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdc92e9d/bba9ec6605ac4d8793de431377bdcfbe/FLAGd939ba18d [2022-07-12 10:14:58,510 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 10:14:58,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i [2022-07-12 10:14:58,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdc92e9d/bba9ec6605ac4d8793de431377bdcfbe/FLAGd939ba18d [2022-07-12 10:14:58,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efdc92e9d/bba9ec6605ac4d8793de431377bdcfbe [2022-07-12 10:14:58,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 10:14:58,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 10:14:58,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 10:14:58,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 10:14:58,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 10:14:58,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:14:58" (1/1) ... [2022-07-12 10:14:58,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257ca351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:58, skipping insertion in model container [2022-07-12 10:14:58,926 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 10:14:58" (1/1) ... [2022-07-12 10:14:58,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 10:14:58,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 10:14:59,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-07-12 10:14:59,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 10:14:59,181 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 10:14:59,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_2_pos.i[1103,1116] [2022-07-12 10:14:59,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 10:14:59,248 INFO L208 MainTranslator]: Completed translation [2022-07-12 10:14:59,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59 WrapperNode [2022-07-12 10:14:59,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 10:14:59,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 10:14:59,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 10:14:59,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 10:14:59,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,296 INFO L137 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-07-12 10:14:59,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 10:14:59,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 10:14:59,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 10:14:59,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 10:14:59,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 10:14:59,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 10:14:59,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 10:14:59,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 10:14:59,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (1/1) ... [2022-07-12 10:14:59,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 10:14:59,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 10:14:59,341 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) [2022-07-12 10:14:59,355 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 [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-07-12 10:14:59,367 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-07-12 10:14:59,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 10:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 10:14:59,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 10:14:59,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 10:14:59,369 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-12 10:14:59,439 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 10:14:59,440 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 10:14:59,575 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 10:14:59,580 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 10:14:59,581 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 10:14:59,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 10:14:59 BoogieIcfgContainer [2022-07-12 10:14:59,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 10:14:59,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 10:14:59,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 10:14:59,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 10:14:59,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 10:14:58" (1/3) ... [2022-07-12 10:14:59,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027b511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 10:14:59, skipping insertion in model container [2022-07-12 10:14:59,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 10:14:59" (2/3) ... [2022-07-12 10:14:59,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027b511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 10:14:59, skipping insertion in model container [2022-07-12 10:14:59,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 10:14:59" (3/3) ... [2022-07-12 10:14:59,595 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_2_pos.i [2022-07-12 10:14:59,599 WARN L143 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-07-12 10:14:59,604 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 10:14:59,605 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 10:14:59,605 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-07-12 10:14:59,632 INFO L135 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-12 10:14:59,667 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 71 transitions, 150 flow [2022-07-12 10:14:59,695 INFO L129 PetriNetUnfolder]: 1/70 cut-off events. [2022-07-12 10:14:59,695 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-12 10:14:59,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 70 events. 1/70 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-07-12 10:14:59,697 INFO L82 GeneralOperation]: Start removeDead. Operand has 74 places, 71 transitions, 150 flow [2022-07-12 10:14:59,700 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 56 transitions, 115 flow [2022-07-12 10:14:59,706 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 10:14:59,710 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2606ae4c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f94c983 [2022-07-12 10:14:59,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-12 10:14:59,719 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2022-07-12 10:14:59,719 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-07-12 10:14:59,719 INFO L192 CegarLoopForPetriNet]: Found error trace [2022-07-12 10:14:59,719 INFO L200 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 10:14:59,720 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-07-12 10:14:59,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 10:14:59,723 INFO L85 PathProgramCache]: Analyzing trace with hash -881270525, now seen corresponding path program 1 times [2022-07-12 10:14:59,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 10:14:59,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059279064] [2022-07-12 10:14:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 10:14:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 10:14:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 10:14:59,875 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 10:14:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 10:14:59,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 10:14:59,919 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 10:14:59,919 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-12 10:14:59,921 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-07-12 10:14:59,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 10:14:59,921 INFO L356 BasicCegarLoop]: Path program histogram: [1] [2022-07-12 10:14:59,926 INFO L226 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-07-12 10:14:59,926 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 10:14:59,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 10:14:59 BasicIcfg [2022-07-12 10:14:59,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 10:14:59,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 10:14:59,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 10:14:59,945 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 10:14:59,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 10:14:59" (3/4) ... [2022-07-12 10:14:59,946 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-12 10:14:59,980 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 10:14:59,980 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 10:14:59,981 INFO L158 Benchmark]: Toolchain (without parser) took 1061.30ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 69.0MB in the beginning and 86.3MB in the end (delta: -17.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,981 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 10:14:59,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.18ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 91.7MB in the end (delta: -22.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 123.7MB. Free memory was 91.7MB in the beginning and 89.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,984 INFO L158 Benchmark]: Boogie Preprocessor took 14.10ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,986 INFO L158 Benchmark]: RCFGBuilder took 272.12ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 77.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,986 INFO L158 Benchmark]: TraceAbstraction took 358.82ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 89.1MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 10:14:59,986 INFO L158 Benchmark]: Witness Printer took 35.22ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 10:14:59,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.18ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 68.8MB in the beginning and 91.7MB in the end (delta: -22.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 123.7MB. Free memory was 91.7MB in the beginning and 89.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.10ms. Allocated memory is still 123.7MB. Free memory was 89.8MB in the beginning and 88.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.12ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 77.0MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 358.82ms. Allocated memory is still 123.7MB. Free memory was 76.1MB in the beginning and 89.1MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.22ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L681] 0 int glob1 = 0; VAL [glob1=0] [L682] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L683] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}, mutex2={4:0}] [L696] 0 pthread_t id; VAL [glob1=0, id={6:0}, mutex1={3:0}, mutex2={4:0}] [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))=-1] [L699] CALL 0 __VERIFIER_assert(glob1 == 5) [L19] COND TRUE 0 !(cond) VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] [L19] 0 reach_error() VAL [\old(cond)=0, arg={0:0}, cond=0, glob1=0, mutex1={3:0}, mutex2={4:0}] - 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, 87 locations, 2 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 0, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 proved your program to be incorrect! [2022-07-12 10:15:00,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE