./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63cf56590c178ab5bee91035432ec2d8a8a105f9dd09df5bf570c0fc7f48a8b0 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:19:51,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:19:51,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:19:51,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:19:51,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:19:51,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:19:51,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:19:51,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:19:51,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:19:51,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:19:51,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:19:51,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:19:51,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:19:51,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:19:51,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:19:51,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:19:51,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:19:51,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:19:51,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:19:51,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:19:51,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:19:51,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:19:51,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:19:51,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:19:51,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:19:51,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:19:51,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:19:51,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:19:51,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:19:51,653 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:19:51,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:19:51,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:19:51,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:19:51,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:19:51,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:19:51,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:19:51,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:19:51,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:19:51,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:19:51,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:19:51,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:19:51,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:19:51,712 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:19:51,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:19:51,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:19:51,714 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:19:51,714 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:19:51,715 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:19:51,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:19:51,715 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:19:51,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:19:51,715 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:19:51,717 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:19:51,717 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:19:51,717 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:19:51,717 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:19:51,718 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:19:51,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:19:51,719 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:19:51,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:19:51,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:19:51,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:19:51,719 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:19:51,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:19:51,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:19:51,720 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:19:51,720 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:19:51,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:19:51,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:19:51,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:19:51,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:19:51,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:19:51,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:19:51,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:19:51,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:19:51,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:19:51,725 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:19:51,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:19:51,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:19:51,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:19:51,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:19:51,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63cf56590c178ab5bee91035432ec2d8a8a105f9dd09df5bf570c0fc7f48a8b0 [2021-10-29 05:19:52,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:19:52,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:19:52,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:19:52,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:19:52,064 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:19:52,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2021-10-29 05:19:52,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/data/f57382ffc/e42215a4c546485b85c592ab8ef2b265/FLAGf33757754 [2021-10-29 05:19:52,619 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:19:52,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i [2021-10-29 05:19:52,647 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/data/f57382ffc/e42215a4c546485b85c592ab8ef2b265/FLAGf33757754 [2021-10-29 05:19:52,963 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/data/f57382ffc/e42215a4c546485b85c592ab8ef2b265 [2021-10-29 05:19:52,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:19:52,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:19:52,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:19:52,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:19:52,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:19:52,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:19:52" (1/1) ... [2021-10-29 05:19:52,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e63b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:52, skipping insertion in model container [2021-10-29 05:19:52,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:19:52" (1/1) ... [2021-10-29 05:19:52,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:19:53,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:19:53,337 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[841,854] [2021-10-29 05:19:53,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:19:53,523 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:19:53,540 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_neg.i[841,854] [2021-10-29 05:19:53,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:19:53,617 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:19:53,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53 WrapperNode [2021-10-29 05:19:53,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:19:53,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:19:53,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:19:53,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:19:53,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:19:53,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:19:53,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:19:53,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:19:53,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:19:53,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:19:53,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:19:53,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:19:53,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (1/1) ... [2021-10-29 05:19:53,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:19:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:19:53,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:19:53,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:19:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 05:19:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:19:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 05:19:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:19:53,812 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-29 05:19:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-29 05:19:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:19:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:19:53,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:19:53,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:19:53,815 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:19:54,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:19:54,064 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:19:54,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:19:54 BoogieIcfgContainer [2021-10-29 05:19:54,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:19:54,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:19:54,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:19:54,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:19:54,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:19:52" (1/3) ... [2021-10-29 05:19:54,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594b655f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:19:54, skipping insertion in model container [2021-10-29 05:19:54,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:19:53" (2/3) ... [2021-10-29 05:19:54,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594b655f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:19:54, skipping insertion in model container [2021-10-29 05:19:54,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:19:54" (3/3) ... [2021-10-29 05:19:54,076 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_neg.i [2021-10-29 05:19:54,081 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:19:54,082 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:19:54,082 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:19:54,082 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:19:54,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,129 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,129 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,130 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,130 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,131 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,132 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,133 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,134 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,135 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,138 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,139 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,139 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,139 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,140 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:19:54,158 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-29 05:19:54,235 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:19:54,244 INFO L339 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=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 05:19:54,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-29 05:19:54,262 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:19:54,272 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 63 transitions, 134 flow [2021-10-29 05:19:54,275 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 63 transitions, 134 flow [2021-10-29 05:19:54,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 134 flow [2021-10-29 05:19:54,341 INFO L129 PetriNetUnfolder]: 1/62 cut-off events. [2021-10-29 05:19:54,343 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-29 05:19:54,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 62 events. 1/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-10-29 05:19:54,349 INFO L116 LiptonReduction]: Number of co-enabled transitions 392 [2021-10-29 05:19:58,005 INFO L131 LiptonReduction]: Checked pairs total: 1171 [2021-10-29 05:19:58,005 INFO L133 LiptonReduction]: Total number of compositions: 53 [2021-10-29 05:19:58,018 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 18 transitions, 44 flow [2021-10-29 05:19:58,029 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 38 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 37 states have internal predecessors, (61), 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) [2021-10-29 05:19:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.6944444444444444) internal successors, (61), 37 states have internal predecessors, (61), 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) [2021-10-29 05:19:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 05:19:58,035 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:19:58,036 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-29 05:19:58,037 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-29 05:19:58,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:19:58,041 INFO L85 PathProgramCache]: Analyzing trace with hash 7027925, now seen corresponding path program 1 times [2021-10-29 05:19:58,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:19:58,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875986401] [2021-10-29 05:19:58,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:19:58,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:19:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:19:58,180 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:19:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:19:58,250 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:19:58,253 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:19:58,254 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:19:58,256 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:19:58,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:19:58,262 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:19:58,266 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:19:58,266 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:19:58,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:19:58 BasicIcfg [2021-10-29 05:19:58,289 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:19:58,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:19:58,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:19:58,290 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:19:58,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:19:54" (3/4) ... [2021-10-29 05:19:58,292 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:19:58,350 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:19:58,350 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:19:58,359 INFO L168 Benchmark]: Toolchain (without parser) took 5383.89 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 80.7 MB in the beginning and 66.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,359 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 121.6 MB. Free memory is still 98.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:19:58,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.05 ms. Allocated memory is still 121.6 MB. Free memory was 80.5 MB in the beginning and 86.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.45 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 84.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,362 INFO L168 Benchmark]: Boogie Preprocessor took 40.01 ms. Allocated memory is still 121.6 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,363 INFO L168 Benchmark]: RCFGBuilder took 332.99 ms. Allocated memory is still 121.6 MB. Free memory was 83.6 MB in the beginning and 72.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,369 INFO L168 Benchmark]: TraceAbstraction took 4220.36 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 71.5 MB in the beginning and 68.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,370 INFO L168 Benchmark]: Witness Printer took 60.82 ms. Allocated memory is still 155.2 MB. Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:19:58,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 121.6 MB. Free memory is still 98.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 649.05 ms. Allocated memory is still 121.6 MB. Free memory was 80.5 MB in the beginning and 86.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.45 ms. Allocated memory is still 121.6 MB. Free memory was 86.3 MB in the beginning and 84.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.01 ms. Allocated memory is still 121.6 MB. Free memory was 84.7 MB in the beginning and 83.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 332.99 ms. Allocated memory is still 121.6 MB. Free memory was 83.6 MB in the beginning and 72.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4220.36 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 71.5 MB in the beginning and 68.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 60.82 ms. Allocated memory is still 155.2 MB. Free memory was 68.6 MB in the beginning and 66.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.7s, 66 PlacesBefore, 21 PlacesAfterwards, 63 TransitionsBefore, 18 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 6 FixpointIterations, 30 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 53 TotalNumberOfCompositions, 1171 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 721, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 348, positive: 310, positive conditional: 0, positive unconditional: 310, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 348, positive: 274, positive conditional: 0, positive unconditional: 274, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 721, positive: 284, positive conditional: 0, positive unconditional: 284, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 348, unknown conditional: 0, unknown unconditional: 348] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L675] 0 int glob1 = 0; [L676] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L677] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L690] 0 pthread_t id; [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, mutex1={9:0}, mutex2={3:0}] [L13] COND TRUE 0 !(cond) [L13] 0 reach_error() VAL [arg={0:0}, glob1=0, mutex1={9:0}, mutex2={3:0}] - UnprovableResult [Line: 691]: 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, 79 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.7s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 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! [2021-10-29 05:19:58,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91a8bd52-ac92-4fbf-a366-994100bdc193/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...