./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:04:25,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:04:25,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:04:25,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:04:25,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:04:25,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:04:25,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:04:25,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:04:25,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:04:25,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:04:25,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:04:25,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:04:25,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:04:25,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:04:25,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:04:25,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:04:25,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:04:25,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:04:25,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:04:25,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:04:25,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:04:25,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:04:25,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:04:25,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:04:25,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:04:25,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:04:25,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:04:25,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:04:25,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:04:25,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:04:25,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:04:25,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:04:25,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:04:25,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:04:25,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:04:25,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:04:25,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:04:25,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:04:25,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:04:25,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:04:25,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:04:25,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-02 22:04:25,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:04:25,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:04:25,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:04:25,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:04:25,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:04:25,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:04:25,685 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:04:25,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:04:25,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:04:25,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:04:25,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:04:25,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:04:25,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:04:25,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:04:25,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:04:25,688 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:04:25,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:04:25,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:04:25,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:04:25,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:04:25,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:04:25,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-02 22:04:25,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:04:25,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:25,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:04:25,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:04:25,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:04:25,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:04:25,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:04:25,691 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:04:25,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-02 22:04:25,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:04:25,691 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-02 22:04:25,692 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-02 22:04:25,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11eadb3d3dbb959cb5d260936a4e759de0e9c0b331e2b23d922151dc0bfe3fa5 [2021-11-02 22:04:25,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:04:25,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:04:25,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:04:25,977 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:04:25,978 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:04:25,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/../../sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-02 22:04:26,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/data/6671cc108/193ba26911e64778b80a2743513c0427/FLAGee6fd9329 [2021-11-02 22:04:26,648 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:04:26,648 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-02 22:04:26,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/data/6671cc108/193ba26911e64778b80a2743513c0427/FLAGee6fd9329 [2021-11-02 22:04:26,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/data/6671cc108/193ba26911e64778b80a2743513c0427 [2021-11-02 22:04:26,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:04:26,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:04:26,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:26,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:04:26,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:04:26,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d4d896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:26, skipping insertion in model container [2021-11-02 22:04:26,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:04:26" (1/1) ... [2021-11-02 22:04:26,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:04:27,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:04:27,250 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_687df6f6-faec-4d51-b9cb-1c518c997244/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-02 22:04:27,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:27,529 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:04:27,554 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_687df6f6-faec-4d51-b9cb-1c518c997244/sv-benchmarks/c/pthread-wmm/safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i[996,1009] [2021-11-02 22:04:27,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:04:27,682 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:04:27,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27 WrapperNode [2021-11-02 22:04:27,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:04:27,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:27,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:04:27,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:04:27,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:04:27,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:04:27,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:04:27,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:04:27,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:04:27,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:04:27,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:04:27,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:04:27,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (1/1) ... [2021-11-02 22:04:27,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:04:27,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:27,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:27,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:04:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:04:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-02 22:04:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:04:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:04:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-02 22:04:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-02 22:04:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-02 22:04:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-02 22:04:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-02 22:04:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-02 22:04:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:04:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-02 22:04:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:04:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:04:27,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-02 22:04:29,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:04:29,989 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-02 22:04:29,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:29 BoogieIcfgContainer [2021-11-02 22:04:29,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:04:29,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:04:29,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:04:29,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:04:30,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:04:26" (1/3) ... [2021-11-02 22:04:30,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea016f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:30, skipping insertion in model container [2021-11-02 22:04:30,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:04:27" (2/3) ... [2021-11-02 22:04:30,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ea016f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:04:30, skipping insertion in model container [2021-11-02 22:04:30,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:29" (3/3) ... [2021-11-02 22:04:30,007 INFO L111 eAbstractionObserver]: Analyzing ICFG safe034_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2021-11-02 22:04:30,013 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-02 22:04:30,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:04:30,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-02 22:04:30,013 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-02 22:04:30,049 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,050 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,051 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,051 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,051 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,052 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,053 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,053 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,054 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,054 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,054 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,054 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,055 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,056 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,057 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,060 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,061 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,062 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,063 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,064 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,066 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,067 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,068 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,071 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,072 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,073 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,080 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,082 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,083 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,084 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,085 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,086 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,090 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,090 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,091 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,091 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,094 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,099 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,100 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,101 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,106 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,112 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-02 22:04:30,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:30,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:30,190 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:30,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-02 22:04:30,220 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2021-11-02 22:04:30,226 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=PARTIAL_ORDER_FA, 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 [2021-11-02 22:04:30,227 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:04:30,377 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,378 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,378 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,378 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,379 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,379 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,379 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,379 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,380 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,380 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,380 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,380 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,381 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,410 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,411 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,411 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,412 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,412 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,412 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,413 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,413 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,413 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,413 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,414 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,414 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,414 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,414 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,463 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:30,479 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:04:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:30,485 INFO L85 PathProgramCache]: Analyzing trace with hash 645849257, now seen corresponding path program 1 times [2021-11-02 22:04:30,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:30,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368309910] [2021-11-02 22:04:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:30,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:31,035 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:31,035 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368309910] [2021-11-02 22:04:31,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368309910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:31,036 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:31,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:31,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43286976] [2021-11-02 22:04:31,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-02 22:04:31,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:31,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-02 22:04:31,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-02 22:04:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,060 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:31,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2021-11-02 22:04:31,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:31,094 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,109 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,118 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,130 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,211 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,211 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,212 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,212 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,212 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,213 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,213 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,214 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,214 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,214 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,215 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,215 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,215 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,247 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,248 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,248 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,249 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,249 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,249 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,249 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,250 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,250 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,250 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,251 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,251 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,251 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,295 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,296 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,296 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,296 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,297 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,297 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,297 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,298 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,298 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,298 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,299 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,299 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,299 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,302 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,330 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,331 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,332 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,332 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,332 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,333 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,333 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,333 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,334 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,362 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,362 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,363 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,363 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,363 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,420 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,420 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,421 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,422 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,423 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,423 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,458 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,459 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,459 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,459 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,459 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,460 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,461 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,485 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,485 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,486 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,487 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,488 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,489 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,519 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,520 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,520 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,520 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,521 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,521 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,521 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,522 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,523 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,523 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,523 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,524 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,524 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,559 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,559 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,560 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,560 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,560 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,561 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,561 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,561 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,562 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,562 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,562 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,563 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,563 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,591 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,591 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,592 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,592 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,593 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,593 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,593 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,594 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,594 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,594 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,595 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,595 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:31,595 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-02 22:04:32,047 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:04:32,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:04:32,062 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-02 22:04:32,063 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE (1/2) [2021-11-02 22:04:32,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-02 22:04:32,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 [2021-11-02 22:04:32,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-02 22:04:32,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-02 22:04:32,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-02 22:04:32,077 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=PARTIAL_ORDER_FA, 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 [2021-11-02 22:04:32,077 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-02 22:04:32,133 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,145 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,145 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,146 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,146 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,146 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,147 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,147 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,147 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,147 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,148 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,148 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,148 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,148 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,150 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,177 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,177 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,177 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,178 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,178 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,178 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,178 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,179 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,179 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,179 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,180 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,180 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,180 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:32,204 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:32,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:32,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1254719190, now seen corresponding path program 1 times [2021-11-02 22:04:32,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:32,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447924501] [2021-11-02 22:04:32,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:32,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:32,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:32,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447924501] [2021-11-02 22:04:32,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447924501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:32,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:32,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:04:32,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351217391] [2021-11-02 22:04:32,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:04:32,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:32,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:04:32,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:04:32,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,334 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:32,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 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) [2021-11-02 22:04:32,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:04:32,343 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:32,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:32,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1770704760, now seen corresponding path program 1 times [2021-11-02 22:04:32,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:32,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928881380] [2021-11-02 22:04:32,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:32,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:32,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:32,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928881380] [2021-11-02 22:04:32,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928881380] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:32,629 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:32,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:04:32,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506531320] [2021-11-02 22:04:32,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:04:32,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:32,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:04:32,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:04:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,633 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:32,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 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) [2021-11-02 22:04:32,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:32,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-02 22:04:32,765 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:32,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:32,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1365780631, now seen corresponding path program 1 times [2021-11-02 22:04:32,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:32,767 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265677146] [2021-11-02 22:04:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:32,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:32,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:32,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:32,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265677146] [2021-11-02 22:04:32,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265677146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:32,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:32,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-02 22:04:32,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551796361] [2021-11-02 22:04:32,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-02 22:04:32,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:32,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:04:32,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:04:32,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,970 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:32,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 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) [2021-11-02 22:04:32,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:32,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:32,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,062 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,063 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,063 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,064 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,064 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,065 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,065 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,066 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,066 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,066 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,067 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,067 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,067 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,098 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,100 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,100 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,100 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,101 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,101 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,101 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,102 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,102 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,102 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,103 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,103 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,104 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,104 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:33,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:33,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-02 22:04:33,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:33,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:33,191 INFO L85 PathProgramCache]: Analyzing trace with hash 876974765, now seen corresponding path program 1 times [2021-11-02 22:04:33,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:33,192 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400825533] [2021-11-02 22:04:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:33,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:33,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:33,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:33,475 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400825533] [2021-11-02 22:04:33,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400825533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:33,475 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:33,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-02 22:04:33,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992470208] [2021-11-02 22:04:33,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-02 22:04:33,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:33,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-02 22:04:33,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-02 22:04:33,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,480 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:33,481 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2021-11-02 22:04:33,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:33,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:33,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,549 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,579 WARN L313 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,580 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,651 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,651 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,652 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,652 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,652 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,652 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,653 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,653 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,653 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,654 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,654 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,654 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,654 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,682 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,682 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,682 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,683 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,683 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,683 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,684 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,684 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,684 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,684 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,685 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,685 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,685 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,720 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,721 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,722 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,722 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,722 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,722 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,723 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,723 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,723 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,724 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,724 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,724 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,725 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,725 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,764 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite25_45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,765 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite24_55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,765 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite21_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,765 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite22_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,766 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite7_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,766 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite9_67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,766 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite15_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,766 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite16_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,767 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite10_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,767 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite12_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,767 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite13_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,768 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite18_43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,768 WARN L313 ript$VariableManager]: TermVariabe |v_P1_#t~ite19_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,770 WARN L313 ript$VariableManager]: TermVariabe |v_P2_#t~ite28_29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-02 22:04:33,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:33,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:33,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-02 22:04:33,806 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:33,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1134480903, now seen corresponding path program 1 times [2021-11-02 22:04:33,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:33,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857277539] [2021-11-02 22:04:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:33,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:34,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:34,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:34,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857277539] [2021-11-02 22:04:34,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857277539] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:34,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:34,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:04:34,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904331917] [2021-11-02 22:04:34,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:04:34,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:34,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:04:34,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:04:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,049 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:34,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 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) [2021-11-02 22:04:34,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-02 22:04:34,255 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:34,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:34,255 INFO L85 PathProgramCache]: Analyzing trace with hash -616467061, now seen corresponding path program 2 times [2021-11-02 22:04:34,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:34,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543863381] [2021-11-02 22:04:34,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:34,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:34,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:34,480 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543863381] [2021-11-02 22:04:34,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543863381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:34,480 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:34,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:04:34,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403073542] [2021-11-02 22:04:34,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:04:34,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:34,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:04:34,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:04:34,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:34,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 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) [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-02 22:04:34,617 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash 129152839, now seen corresponding path program 3 times [2021-11-02 22:04:34,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:34,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076211370] [2021-11-02 22:04:34,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:34,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:04:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:04:34,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:04:34,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076211370] [2021-11-02 22:04:34,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076211370] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:04:34,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:04:34,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-02 22:04:34,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924694367] [2021-11-02 22:04:34,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-02 22:04:34,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:04:34,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-02 22:04:34,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-02 22:04:34,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,747 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-02 22:04:34,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 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) [2021-11-02 22:04:34,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:04:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:04:34,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-02 22:04:34,859 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-02 22:04:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:04:34,859 INFO L85 PathProgramCache]: Analyzing trace with hash 389617311, now seen corresponding path program 4 times [2021-11-02 22:04:34,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:04:34,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111273108] [2021-11-02 22:04:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:04:34,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:04:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:04:34,903 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:04:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:04:34,992 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:04:34,993 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-02 22:04:34,993 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:04:34,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-02 22:04:34,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-02 22:04:34,993 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-11-02 22:04:34,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-02 22:04:34,995 INFO L731 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1] [2021-11-02 22:04:34,996 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2021-11-02 22:04:34,999 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-02 22:04:34,999 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:04:35,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:04:35 BasicIcfg [2021-11-02 22:04:35,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:04:35,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:04:35,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:04:35,195 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:04:35,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:04:29" (3/4) ... [2021-11-02 22:04:35,198 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-02 22:04:35,353 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/witness.graphml [2021-11-02 22:04:35,353 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:04:35,355 INFO L168 Benchmark]: Toolchain (without parser) took 8441.54 ms. Allocated memory was 117.4 MB in the beginning and 192.9 MB in the end (delta: 75.5 MB). Free memory was 77.9 MB in the beginning and 146.7 MB in the end (delta: -68.9 MB). Peak memory consumption was 109.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,356 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 95.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:04:35,356 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.42 ms. Allocated memory is still 117.4 MB. Free memory was 77.7 MB in the beginning and 78.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,357 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.21 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 76.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,357 INFO L168 Benchmark]: Boogie Preprocessor took 93.78 ms. Allocated memory is still 117.4 MB. Free memory was 76.3 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,358 INFO L168 Benchmark]: RCFGBuilder took 2117.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 74.3 MB in the beginning and 73.6 MB in the end (delta: 613.8 kB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,360 INFO L168 Benchmark]: TraceAbstraction took 5198.62 ms. Allocated memory was 153.1 MB in the beginning and 192.9 MB in the end (delta: 39.8 MB). Free memory was 73.6 MB in the beginning and 81.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,360 INFO L168 Benchmark]: Witness Printer took 158.61 ms. Allocated memory is still 192.9 MB. Free memory was 81.8 MB in the beginning and 146.7 MB in the end (delta: -65.0 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:04:35,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 117.4 MB. Free memory is still 95.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 767.42 ms. Allocated memory is still 117.4 MB. Free memory was 77.7 MB in the beginning and 78.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.21 ms. Allocated memory is still 117.4 MB. Free memory was 78.9 MB in the beginning and 76.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.78 ms. Allocated memory is still 117.4 MB. Free memory was 76.3 MB in the beginning and 74.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2117.49 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 74.3 MB in the beginning and 73.6 MB in the end (delta: 613.8 kB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5198.62 ms. Allocated memory was 153.1 MB in the beginning and 192.9 MB in the end (delta: 39.8 MB). Free memory was 73.6 MB in the beginning and 81.8 MB in the end (delta: -8.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 16.1 GB. * Witness Printer took 158.61 ms. Allocated memory is still 192.9 MB. Free memory was 81.8 MB in the beginning and 146.7 MB in the end (delta: -65.0 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12820, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 765, negative conditional: 742, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12729, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 674, negative conditional: 651, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12729, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 674, negative conditional: 651, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 10505, positive unconditional: 1550, negative: 1325, negative conditional: 651, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 7274, positive unconditional: 4781, negative: 1325, negative conditional: 591, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 7274, positive unconditional: 4781, negative: 1325, negative conditional: 591, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1573, positive: 1544, positive conditional: 3, positive unconditional: 1541, negative: 29, negative conditional: 4, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1573, positive: 1537, positive conditional: 0, positive unconditional: 1537, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 29, negative conditional: 4, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 601, positive: 91, positive conditional: 81, positive unconditional: 10, negative: 510, negative conditional: 171, negative unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13380, positive: 10511, positive conditional: 7271, positive unconditional: 3240, negative: 1296, negative conditional: 587, negative unconditional: 709, unknown: 1573, unknown conditional: 7, unknown unconditional: 1566] , Statistics on independence cache: Total cache size (in pairs): 1573, Positive cache size: 1544, Positive conditional cache size: 3, Positive unconditional cache size: 1541, Negative cache size: 29, Negative conditional cache size: 4, Negative unconditional cache size: 25, Eliminated conditions: 3291, Maximal queried relation: 1, Independence queries for same thread: 91 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 510, Number of persistent set computation: 1131, Number of trivial persistent sets: 662, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1546, positive: 1523, positive conditional: 0, positive unconditional: 1523, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12820, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 765, negative conditional: 742, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12729, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 674, negative conditional: 651, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12729, positive: 12055, positive conditional: 10532, positive unconditional: 1523, negative: 674, negative conditional: 651, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 10505, positive unconditional: 1550, negative: 1325, negative conditional: 651, negative unconditional: 674, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 7274, positive unconditional: 4781, negative: 1325, negative conditional: 591, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13380, positive: 12055, positive conditional: 7274, positive unconditional: 4781, negative: 1325, negative conditional: 591, negative unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1573, positive: 1544, positive conditional: 3, positive unconditional: 1541, negative: 29, negative conditional: 4, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1573, positive: 1537, positive conditional: 0, positive unconditional: 1537, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 29, negative conditional: 4, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 601, positive: 91, positive conditional: 81, positive unconditional: 10, negative: 510, negative conditional: 171, negative unconditional: 339, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13380, positive: 10511, positive conditional: 7271, positive unconditional: 3240, negative: 1296, negative conditional: 587, negative unconditional: 709, unknown: 1573, unknown conditional: 7, unknown unconditional: 1566] , Statistics on independence cache: Total cache size (in pairs): 1573, Positive cache size: 1544, Positive conditional cache size: 3, Positive unconditional cache size: 1541, Negative cache size: 29, Negative conditional cache size: 4, Negative unconditional cache size: 25, Eliminated conditions: 3291, Maximal queried relation: 1, Independence queries for same thread: 91 - 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 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7537, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 304, negative conditional: 276, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7448, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7448, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 5639, positive unconditional: 1594, negative: 1091, negative conditional: 876, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 1446, positive unconditional: 5787, negative: 1091, negative conditional: 90, negative unconditional: 1001, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 1446, positive unconditional: 5787, negative: 1091, negative conditional: 90, negative unconditional: 1001, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, positive: 1252, positive conditional: 7, positive unconditional: 1245, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 438, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 419, negative conditional: 4, negative unconditional: 416, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8324, positive: 5981, positive conditional: 1439, positive unconditional: 4542, negative: 1060, negative conditional: 88, negative unconditional: 972, unknown: 1283, unknown conditional: 9, unknown unconditional: 1274] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1252, Positive conditional cache size: 7, Positive unconditional cache size: 1245, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Eliminated conditions: 4979, Maximal queried relation: 6, Independence queries for same thread: 89 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 434, Number of persistent set computation: 474, Number of trivial persistent sets: 279, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1273, positive: 1245, positive conditional: 0, positive unconditional: 1245, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7537, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 304, negative conditional: 276, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7448, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7448, positive: 7233, positive conditional: 5988, positive unconditional: 1245, negative: 215, negative conditional: 187, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 5639, positive unconditional: 1594, negative: 1091, negative conditional: 876, negative unconditional: 215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 1446, positive unconditional: 5787, negative: 1091, negative conditional: 90, negative unconditional: 1001, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8324, positive: 7233, positive conditional: 1446, positive unconditional: 5787, negative: 1091, negative conditional: 90, negative unconditional: 1001, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1283, positive: 1252, positive conditional: 7, positive unconditional: 1245, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1283, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 31, negative conditional: 2, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 438, positive: 19, positive conditional: 10, positive unconditional: 9, negative: 419, negative conditional: 4, negative unconditional: 416, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8324, positive: 5981, positive conditional: 1439, positive unconditional: 4542, negative: 1060, negative conditional: 88, negative unconditional: 972, unknown: 1283, unknown conditional: 9, unknown unconditional: 1274] , Statistics on independence cache: Total cache size (in pairs): 1283, Positive cache size: 1252, Positive conditional cache size: 7, Positive unconditional cache size: 1245, Negative cache size: 31, Negative conditional cache size: 2, Negative unconditional cache size: 29, Eliminated conditions: 4979, Maximal queried relation: 6, Independence queries for same thread: 89 - 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L714] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0] [L715] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L717] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L719] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L720] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L721] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L722] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L723] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L724] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L725] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L726] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L727] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L728] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L729] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L730] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L731] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L732] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L733] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L734] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L735] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L737] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L738] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L739] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 0 pthread_t t2577; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L828] FCALL, FORK 0 pthread_create(&t2577, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L829] 0 pthread_t t2578; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L830] FCALL, FORK 0 pthread_create(&t2578, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L831] 0 pthread_t t2579; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L832] FCALL, FORK 0 pthread_create(&t2579, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 y$w_buff1 = y$w_buff0 [L791] 3 y$w_buff0 = 1 [L792] 3 y$w_buff1_used = y$w_buff0_used [L793] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L795] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L796] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L797] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L798] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L799] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L802] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L743] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L748] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L755] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L760] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L767] 2 y$flush_delayed = weak$$choice2 [L768] 2 y$mem_tmp = y [L769] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L769] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0) [L770] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L770] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1) [L771] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L771] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used) [L772] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L772] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L773] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L773] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2) [L774] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L774] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L775] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L775] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L776] 2 __unbuffered_p1_EAX = y [L777] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L777] 2 y = y$flush_delayed ? y$mem_tmp : y [L778] 2 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L785] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L805] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L805] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L806] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L806] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L807] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L807] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L808] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L808] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L809] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L809] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L812] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L834] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L838] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L838] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L838] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L839] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L839] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L840] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L840] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L841] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L841] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L842] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L842] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L845] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L18] COND TRUE 0 !expression VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=66, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - UnprovableResult [Line: 832]: 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. - UnprovableResult [Line: 828]: 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. - UnprovableResult [Line: 830]: 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 for errors in thread instance: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 130 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, 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, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 625 NumberOfCodeBlocks, 625 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 1653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-11-02 22:04:35,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:04:35,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-02 22:04:35,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_687df6f6-faec-4d51-b9cb-1c518c997244/bin/ugemcutter-gZIa6NM3Pm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE