./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.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_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/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_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/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_5391ca6b-a120-4848-8889-9101000afc5a/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 9d33935ad28b17a4f2284674d2de40fa7680c34ee07d92bfcb26ae98c9803d68 .............................................................................................................................................................................................................................................................................................................. 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 05:41:51,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:41:51,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:41:51,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:41:51,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:41:51,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:41:51,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:41:51,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:41:51,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:41:51,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:41:51,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:41:51,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:41:51,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:41:51,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:41:51,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:41:51,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:41:51,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:41:51,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:41:51,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:41:51,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:41:51,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:41:51,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:41:51,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:41:51,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:41:51,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:41:51,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:41:51,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:41:51,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:41:51,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:41:51,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:41:51,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:41:51,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:41:51,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:41:51,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:41:51,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:41:51,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:41:51,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:41:51,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:41:51,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:41:51,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:41:51,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:41:51,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:41:51,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:41:51,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:41:51,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:41:51,899 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:41:51,899 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:41:51,900 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:41:51,900 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:41:51,900 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:41:51,900 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:41:51,900 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:41:51,901 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:41:51,901 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:41:51,901 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:41:51,901 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:41:51,902 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:41:51,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:41:51,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:41:51,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:41:51,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:41:51,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:41:51,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:41:51,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:41:51,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:41:51,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:41:51,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:41:51,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:41:51,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:41:51,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:41:51,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:41:51,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:41:51,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:51,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:41:51,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:41:51,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:41:51,906 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:41:51,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:41:51,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:41:51,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:41:51,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:41:51,907 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_5391ca6b-a120-4848-8889-9101000afc5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d33935ad28b17a4f2284674d2de40fa7680c34ee07d92bfcb26ae98c9803d68 [2021-10-29 05:41:52,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:41:52,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:41:52,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:41:52,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:41:52,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:41:52,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-10-29 05:41:52,272 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/data/8aa00f3ef/d6c1e6c2599b403bb81dfd6652e56ef0/FLAG9f2d5b2f6 [2021-10-29 05:41:52,795 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:41:52,796 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-10-29 05:41:52,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/data/8aa00f3ef/d6c1e6c2599b403bb81dfd6652e56ef0/FLAG9f2d5b2f6 [2021-10-29 05:41:53,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/data/8aa00f3ef/d6c1e6c2599b403bb81dfd6652e56ef0 [2021-10-29 05:41:53,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:41:53,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:41:53,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:53,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:41:53,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:41:53,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bf2bef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53, skipping insertion in model container [2021-10-29 05:41:53,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:41:53,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:41:53,337 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_5391ca6b-a120-4848-8889-9101000afc5a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[836,849] [2021-10-29 05:41:53,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:53,581 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:41:53,602 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_5391ca6b-a120-4848-8889-9101000afc5a/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[836,849] [2021-10-29 05:41:53,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:41:53,713 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:41:53,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53 WrapperNode [2021-10-29 05:41:53,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:41:53,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:41:53,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:41:53,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:41:53,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:41:53,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:41:53,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:41:53,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:41:53,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:41:53,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:41:53,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:41:53,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:41:53,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (1/1) ... [2021-10-29 05:41:53,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:41:53,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:41:53,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:41:53,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:41:53,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:41:53,945 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-29 05:41:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:41:53,946 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-29 05:41:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-29 05:41:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:41:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:41:53,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:41:53,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:41:53,949 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 05:41:54,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:41:54,315 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 05:41:54,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:54 BoogieIcfgContainer [2021-10-29 05:41:54,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:41:54,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:41:54,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:41:54,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:41:54,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:41:53" (1/3) ... [2021-10-29 05:41:54,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78ed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:41:54, skipping insertion in model container [2021-10-29 05:41:54,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:41:53" (2/3) ... [2021-10-29 05:41:54,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78ed28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:41:54, skipping insertion in model container [2021-10-29 05:41:54,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:54" (3/3) ... [2021-10-29 05:41:54,335 INFO L111 eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i [2021-10-29 05:41:54,340 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:41:54,341 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:41:54,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:41:54,341 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:41:54,369 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,370 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,370 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,370 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,371 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,371 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,372 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,373 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,374 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,375 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,378 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,378 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,379 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:41:54,387 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 05:41:54,455 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:41:54,467 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 05:41:54,467 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-29 05:41:54,488 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:41:54,517 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 70 transitions, 145 flow [2021-10-29 05:41:54,520 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 70 transitions, 145 flow [2021-10-29 05:41:54,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 70 transitions, 145 flow [2021-10-29 05:41:54,585 INFO L129 PetriNetUnfolder]: 2/69 cut-off events. [2021-10-29 05:41:54,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-29 05:41:54,589 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 69 events. 2/69 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 38. Up to 2 conditions per place. [2021-10-29 05:41:54,594 INFO L116 LiptonReduction]: Number of co-enabled transitions 560 [2021-10-29 05:41:58,607 INFO L131 LiptonReduction]: Checked pairs total: 1418 [2021-10-29 05:41:58,608 INFO L133 LiptonReduction]: Total number of compositions: 59 [2021-10-29 05:41:58,624 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 19 transitions, 43 flow [2021-10-29 05:41:58,635 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 50 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 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 05:41:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 49 states have (on average 1.836734693877551) internal successors, (90), 49 states have internal predecessors, (90), 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 05:41:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 05:41:58,643 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:41:58,643 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-29 05:41:58,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-29 05:41:58,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:41:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1279101313, now seen corresponding path program 1 times [2021-10-29 05:41:58,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:41:58,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595119473] [2021-10-29 05:41:58,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:41:58,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:41:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:41:58,801 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:41:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:41:58,869 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:41:58,871 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:41:58,873 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:41:58,876 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:41:58,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:41:58,886 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 05:41:58,891 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:41:58,891 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:41:58,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:41:58 BasicIcfg [2021-10-29 05:41:58,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:41:58,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:41:58,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:41:58,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:41:58,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:41:54" (3/4) ... [2021-10-29 05:41:58,923 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:41:58,986 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:41:58,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:41:58,990 INFO L168 Benchmark]: Toolchain (without parser) took 5887.69 ms. Allocated memory was 83.9 MB in the beginning and 130.0 MB in the end (delta: 46.1 MB). Free memory was 46.2 MB in the beginning and 94.3 MB in the end (delta: -48.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:58,994 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:58,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.79 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 46.0 MB in the beginning and 74.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:58,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:58,996 INFO L168 Benchmark]: Boogie Preprocessor took 41.45 ms. Allocated memory is still 107.0 MB. Free memory was 73.1 MB in the beginning and 71.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:58,996 INFO L168 Benchmark]: RCFGBuilder took 471.15 ms. Allocated memory is still 107.0 MB. Free memory was 71.5 MB in the beginning and 59.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:58,999 INFO L168 Benchmark]: TraceAbstraction took 4600.47 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 59.5 MB in the beginning and 97.5 MB in the end (delta: -38.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:41:59,002 INFO L168 Benchmark]: Witness Printer took 66.68 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 94.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:41:59,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 63.8 MB in the beginning and 63.8 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.79 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 46.0 MB in the beginning and 74.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.29 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.45 ms. Allocated memory is still 107.0 MB. Free memory was 73.1 MB in the beginning and 71.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 471.15 ms. Allocated memory is still 107.0 MB. Free memory was 71.5 MB in the beginning and 59.9 MB in the end (delta: 11.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4600.47 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 59.5 MB in the beginning and 97.5 MB in the end (delta: -38.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 66.68 ms. Allocated memory is still 130.0 MB. Free memory was 97.5 MB in the beginning and 94.3 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.0s, 72 PlacesBefore, 21 PlacesAfterwards, 70 TransitionsBefore, 19 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 6 FixpointIterations, 29 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 59 TotalNumberOfCompositions, 1418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 602, positive conditional: 0, positive unconditional: 602, negative: 124, negative conditional: 0, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 404, positive: 369, positive conditional: 0, positive unconditional: 369, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 404, positive: 347, positive conditional: 0, positive unconditional: 347, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 57, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 726, positive: 233, positive conditional: 0, positive unconditional: 233, negative: 89, negative conditional: 0, negative unconditional: 89, unknown: 404, unknown conditional: 0, unknown unconditional: 404] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - 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: [L676] 0 int g = 42; [L677] 0 pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L678] 0 pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L688] 0 int r = __VERIFIER_nondet_int(); [L689] 0 int t; [L690] 0 pthread_t id; [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [A={3:0}, arg={0:0}, B={9:0}, g=42] [L694] COND FALSE 0 !(\read(r)) [L699] 0 t = g [L13] COND TRUE 0 !(cond) [L13] 0 reach_error() VAL [A={3:0}, arg={0:0}, B={9:0}, g=42] - 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, 81 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 6 NumberOfCodeBlocks, 6 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 05:41:59,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5391ca6b-a120-4848-8889-9101000afc5a/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...