./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ --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 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:35:14,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:35:14,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:35:14,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:35:14,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:35:14,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:35:14,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:35:14,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:35:14,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:35:14,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:35:14,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:35:14,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:35:14,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:35:14,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:35:14,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:35:14,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:35:14,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:35:14,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:35:14,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:35:14,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:35:14,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:35:14,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:35:14,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:35:14,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:35:14,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:35:14,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:35:14,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:35:14,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:35:14,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:35:14,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:35:14,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:35:14,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:35:14,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:35:14,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:35:14,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:35:14,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:35:14,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:35:14,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:35:14,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:35:14,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:35:14,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:35:14,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:35:14,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:35:14,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:35:14,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:35:14,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:35:14,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:35:14,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:35:14,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:35:14,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:35:14,705 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:35:14,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:35:14,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:35:14,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:35:14,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:35:14,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:35:14,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:35:14,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:35:14,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:35:14,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:35:14,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:35:14,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:35:14,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:35:14,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:35:14,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:35:14,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:35:14,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:35:14,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:35:14,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:35:14,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:35:14,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:35:14,710 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:35:14,710 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:35:14,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:35:14,711 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:35:14,711 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:35:14,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:35:14,711 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:35:14,711 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:35:14,712 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_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 [2021-11-25 04:35:14,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:35:14,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:35:14,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:35:14,971 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:35:14,972 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:35:14,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2021-11-25 04:35:15,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/data/342ce75f3/56394a386b8f415ba8ab0b666b32fd4b/FLAGdbd18cd50 [2021-11-25 04:35:15,618 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:35:15,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2021-11-25 04:35:15,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/data/342ce75f3/56394a386b8f415ba8ab0b666b32fd4b/FLAGdbd18cd50 [2021-11-25 04:35:16,009 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/data/342ce75f3/56394a386b8f415ba8ab0b666b32fd4b [2021-11-25 04:35:16,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:35:16,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:35:16,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:35:16,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:35:16,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:35:16,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e4d0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16, skipping insertion in model container [2021-11-25 04:35:16,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:35:16,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:35:16,262 WARN L230 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_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2021-11-25 04:35:16,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:35:16,580 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 04:35:16,594 WARN L230 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_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2021-11-25 04:35:16,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 04:35:16,732 INFO L208 MainTranslator]: Completed translation [2021-11-25 04:35:16,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16 WrapperNode [2021-11-25 04:35:16,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:35:16,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 04:35:16,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 04:35:16,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 04:35:16,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,827 INFO L137 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2021-11-25 04:35:16,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 04:35:16,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 04:35:16,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 04:35:16,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 04:35:16,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 04:35:16,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 04:35:16,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 04:35:16,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 04:35:16,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (1/1) ... [2021-11-25 04:35:16,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:35:16,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:35:16,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 04:35:16,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 04:35:16,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 04:35:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 04:35:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 04:35:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 04:35:16,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 04:35:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-25 04:35:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-25 04:35:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-25 04:35:16,963 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-25 04:35:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 04:35:16,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 04:35:16,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 04:35:16,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 04:35:16,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 04:35:17,082 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 04:35:17,083 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 04:35:17,638 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 04:35:18,101 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 04:35:18,101 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 04:35:18,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:18 BoogieIcfgContainer [2021-11-25 04:35:18,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 04:35:18,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 04:35:18,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 04:35:18,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 04:35:18,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:35:16" (1/3) ... [2021-11-25 04:35:18,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6d3db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:35:18, skipping insertion in model container [2021-11-25 04:35:18,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:35:16" (2/3) ... [2021-11-25 04:35:18,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6d3db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:35:18, skipping insertion in model container [2021-11-25 04:35:18,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:18" (3/3) ... [2021-11-25 04:35:18,112 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_power.opt_pso.opt_rmo.opt.i [2021-11-25 04:35:18,118 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 04:35:18,118 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 04:35:18,118 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-25 04:35:18,119 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 04:35:18,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,163 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,163 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,163 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,164 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,164 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,165 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,165 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,166 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,167 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,167 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,167 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,168 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,169 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,170 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,171 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,172 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,173 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,174 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,175 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,176 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,177 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,178 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,183 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,184 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,185 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,186 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,186 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,187 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,188 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,189 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,191 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,191 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,192 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,192 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 04:35:18,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-25 04:35:18,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:35:18,258 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-25 04:35:18,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-25 04:35:18,300 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2021-11-25 04:35:18,306 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 [2021-11-25 04:35:18,307 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 04:35:18,435 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,486 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,501 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 04:35:18,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:18,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1568406000, now seen corresponding path program 1 times [2021-11-25 04:35:18,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:18,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560205063] [2021-11-25 04:35:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:18,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:18,874 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:18,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560205063] [2021-11-25 04:35:18,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560205063] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:18,876 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:18,876 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 04:35:18,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580693170] [2021-11-25 04:35:18,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:18,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 04:35:18,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:18,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 04:35:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 04:35:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:18,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:18,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-11-25 04:35:18,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:18,994 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,994 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,994 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,995 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,996 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,997 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,997 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,998 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,998 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:18,998 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,032 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,041 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,053 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,066 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,067 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,105 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,117 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,132 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,153 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,166 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,180 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,189 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,213 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,213 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,218 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,218 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,219 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,219 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,219 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,250 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,250 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,251 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,251 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,252 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,253 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,254 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,254 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,254 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,255 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,286 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,286 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,288 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,288 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,288 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,289 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,290 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,290 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,290 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,341 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,341 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,342 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,342 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,342 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,343 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,343 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,343 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,344 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,344 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,344 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,345 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,345 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,345 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,372 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,373 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,373 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,374 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,375 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,375 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,375 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,377 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,377 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,377 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,418 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,418 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,419 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,420 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,421 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,422 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,422 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,422 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,502 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,502 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,503 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,503 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,503 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,504 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,504 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,504 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,505 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,505 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,505 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,506 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,506 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,506 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,526 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,527 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,527 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,528 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,528 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,528 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,529 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,529 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,529 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,530 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,530 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,530 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,531 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,531 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,550 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,551 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,551 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,552 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,552 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,552 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,553 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,553 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,553 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,553 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,554 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,554 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,554 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,555 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,574 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,575 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,576 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,576 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,576 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,577 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,577 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,577 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,578 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,578 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,578 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,605 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,606 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,607 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,607 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,607 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,608 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,608 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,608 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,608 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,609 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,635 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,636 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,636 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,636 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,637 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,637 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,637 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,639 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,663 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,664 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,664 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,665 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,665 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,665 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,717 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,776 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:19,846 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 04:35:19,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 04:35:19,856 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 04:35:19,857 INFO L308 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2021-11-25 04:35:19,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-25 04:35:19,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 [2021-11-25 04:35:19,866 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-25 04:35:19,872 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-25 04:35:19,873 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 [2021-11-25 04:35:19,873 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 04:35:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-25 04:35:19,932 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,948 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,971 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,983 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,987 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:19,988 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,017 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:20,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:20,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1959660519, now seen corresponding path program 1 times [2021-11-25 04:35:20,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:20,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978185824] [2021-11-25 04:35:20,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:20,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:20,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:20,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978185824] [2021-11-25 04:35:20,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978185824] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:20,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:20,166 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 04:35:20,166 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281774056] [2021-11-25 04:35:20,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:20,167 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 04:35:20,167 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:20,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 04:35:20,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 04:35:20,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,168 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:20,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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) [2021-11-25 04:35:20,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 04:35:20,198 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1209974699, now seen corresponding path program 1 times [2021-11-25 04:35:20,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:20,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651059939] [2021-11-25 04:35:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:20,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:20,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:20,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651059939] [2021-11-25 04:35:20,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651059939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:20,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:20,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 04:35:20,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756665004] [2021-11-25 04:35:20,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:20,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 04:35:20,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:20,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 04:35:20,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 04:35:20,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,376 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:20,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2021-11-25 04:35:20,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,403 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,403 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,403 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,404 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,404 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,404 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,404 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,406 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,407 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,434 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,436 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,455 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:20,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 04:35:20,499 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:20,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:20,500 INFO L85 PathProgramCache]: Analyzing trace with hash -777395555, now seen corresponding path program 1 times [2021-11-25 04:35:20,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:20,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567630857] [2021-11-25 04:35:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:20,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:20,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:20,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567630857] [2021-11-25 04:35:20,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567630857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:20,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:20,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 04:35:20,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926030783] [2021-11-25 04:35:20,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:20,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 04:35:20,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:20,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 04:35:20,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 04:35:20,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:20,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 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) [2021-11-25 04:35:20,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:20,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,906 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,907 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,907 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,932 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,932 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,932 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,933 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,933 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,933 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,958 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,958 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,959 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,959 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,959 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,959 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,960 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,960 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,984 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,985 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,986 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,987 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,990 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,991 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:20,991 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,009 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,009 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,010 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,010 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,010 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,011 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite27#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,011 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite45#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,011 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite39#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,011 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite36#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,012 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,012 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,012 WARN L322 ript$VariableManager]: TermVariabe v_~x~0_137 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,012 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite30#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,013 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite33#1_64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:35:21,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 04:35:21,048 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:21,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1707957476, now seen corresponding path program 1 times [2021-11-25 04:35:21,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:21,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560474524] [2021-11-25 04:35:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:21,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:21,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:21,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:21,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560474524] [2021-11-25 04:35:21,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560474524] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:21,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:21,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-25 04:35:21,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437235000] [2021-11-25 04:35:21,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:21,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 04:35:21,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:21,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 04:35:21,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 04:35:21,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,234 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:21,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 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) [2021-11-25 04:35:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:35:21,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,325 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,333 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite19#1_36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,334 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:21,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:21,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:35:21,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:35:21,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 04:35:21,465 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:21,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:21,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1205851218, now seen corresponding path program 1 times [2021-11-25 04:35:21,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:21,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999623768] [2021-11-25 04:35:21,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:21,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 04:35:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 04:35:21,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-25 04:35:21,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999623768] [2021-11-25 04:35:21,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999623768] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 04:35:21,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 04:35:21,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 04:35:21,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122839535] [2021-11-25 04:35:21,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 04:35:21,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 04:35:21,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-25 04:35:21,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 04:35:21,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-25 04:35:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,917 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-25 04:35:21,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.7272727272727275) internal successors, (74), 11 states have internal predecessors, (74), 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) [2021-11-25 04:35:21,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:21,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:21,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:35:21,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-25 04:35:21,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:22,147 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,153 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,162 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,163 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,181 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,182 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,207 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,208 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite9#1_41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 04:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 04:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 04:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 04:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 04:35:22,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 04:35:22,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 04:35:22,308 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-25 04:35:22,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 04:35:22,308 INFO L85 PathProgramCache]: Analyzing trace with hash 943513998, now seen corresponding path program 2 times [2021-11-25 04:35:22,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-25 04:35:22,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589681972] [2021-11-25 04:35:22,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 04:35:22,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 04:35:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 04:35:22,396 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 04:35:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 04:35:22,525 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-25 04:35:22,525 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 04:35:22,526 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-25 04:35:22,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-25 04:35:22,526 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-25 04:35:22,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 04:35:22,535 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-11-25 04:35:22,535 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2021-11-25 04:35:22,539 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 04:35:22,539 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 04:35:22,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:35:22 BasicIcfg [2021-11-25 04:35:22,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 04:35:22,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 04:35:22,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 04:35:22,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 04:35:22,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:35:18" (3/4) ... [2021-11-25 04:35:22,699 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 04:35:22,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/witness.graphml [2021-11-25 04:35:22,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 04:35:22,830 INFO L158 Benchmark]: Toolchain (without parser) took 6813.42ms. Allocated memory was 102.8MB in the beginning and 180.4MB in the end (delta: 77.6MB). Free memory was 75.2MB in the beginning and 53.3MB in the end (delta: 21.9MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,830 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:35:22,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.46ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 103.6MB in the end (delta: -28.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.69ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,831 INFO L158 Benchmark]: Boogie Preprocessor took 55.03ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,832 INFO L158 Benchmark]: RCFGBuilder took 1219.10ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 80.5MB in the end (delta: 18.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,858 INFO L158 Benchmark]: TraceAbstraction took 4590.80ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,858 INFO L158 Benchmark]: Witness Printer took 132.32ms. Allocated memory is still 180.4MB. Free memory was 71.1MB in the beginning and 53.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 04:35:22,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.46ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 75.0MB in the beginning and 103.6MB in the end (delta: -28.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.69ms. Allocated memory is still 140.5MB. Free memory was 103.6MB in the beginning and 100.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.03ms. Allocated memory is still 140.5MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.10ms. Allocated memory is still 140.5MB. Free memory was 98.6MB in the beginning and 80.5MB in the end (delta: 18.1MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4590.80ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 72.1MB in the end (delta: 7.8MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * Witness Printer took 132.32ms. Allocated memory is still 180.4MB. Free memory was 71.1MB in the beginning and 53.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2233, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 141, negative conditional: 119, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2225, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 133, negative conditional: 111, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2225, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 133, negative conditional: 111, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1238, positive unconditional: 854, negative: 244, negative conditional: 111, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1006, positive unconditional: 1086, negative: 244, negative conditional: 109, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1006, positive unconditional: 1086, negative: 244, negative conditional: 109, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 876, positive: 844, positive conditional: 4, positive unconditional: 840, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 876, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 817, positive: 97, positive conditional: 95, positive unconditional: 2, negative: 720, negative conditional: 167, negative unconditional: 553, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2336, positive: 1248, positive conditional: 1002, positive unconditional: 246, negative: 212, negative conditional: 102, negative unconditional: 110, unknown: 876, unknown conditional: 11, unknown unconditional: 865] , Statistics on independence cache: Total cache size (in pairs): 876, Positive cache size: 844, Positive conditional cache size: 4, Positive unconditional cache size: 840, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Eliminated conditions: 234, Maximal queried relation: 1, Independence queries for same thread: 8 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.6s, Number of persistent set computation: 202, Number of trivial persistent sets: 155, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 862, positive: 840, positive conditional: 0, positive unconditional: 840, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2233, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 141, negative conditional: 119, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2225, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 133, negative conditional: 111, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2225, positive: 2092, positive conditional: 1252, positive unconditional: 840, negative: 133, negative conditional: 111, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1238, positive unconditional: 854, negative: 244, negative conditional: 111, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1006, positive unconditional: 1086, negative: 244, negative conditional: 109, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2336, positive: 2092, positive conditional: 1006, positive unconditional: 1086, negative: 244, negative conditional: 109, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 876, positive: 844, positive conditional: 4, positive unconditional: 840, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 876, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 32, negative conditional: 7, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 817, positive: 97, positive conditional: 95, positive unconditional: 2, negative: 720, negative conditional: 167, negative unconditional: 553, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2336, positive: 1248, positive conditional: 1002, positive unconditional: 246, negative: 212, negative conditional: 102, negative unconditional: 110, unknown: 876, unknown conditional: 11, unknown unconditional: 865] , Statistics on independence cache: Total cache size (in pairs): 876, Positive cache size: 844, Positive conditional cache size: 4, Positive unconditional cache size: 840, Negative cache size: 32, Negative conditional cache size: 7, Negative unconditional cache size: 25, Eliminated conditions: 234, Maximal queried relation: 1, Independence queries for same thread: 8 - 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: 1659, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 68, negative conditional: 47, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1639, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 48, negative conditional: 27, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1639, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 48, negative conditional: 27, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 766, positive unconditional: 825, negative: 101, negative conditional: 53, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 265, positive unconditional: 1326, negative: 101, negative conditional: 26, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 265, positive unconditional: 1326, negative: 101, negative conditional: 26, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, positive: 697, positive conditional: 4, positive unconditional: 693, negative: 24, negative conditional: 3, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, positive: 691, positive conditional: 0, positive unconditional: 691, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 24, negative conditional: 3, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 425, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 404, negative conditional: 57, negative unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1692, positive: 894, positive conditional: 261, positive unconditional: 633, negative: 77, negative conditional: 23, negative unconditional: 54, unknown: 721, unknown conditional: 7, unknown unconditional: 714] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 697, Positive conditional cache size: 4, Positive unconditional cache size: 693, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Eliminated conditions: 528, Maximal queried relation: 2, Independence queries for same thread: 20 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 242, Number of trivial persistent sets: 97, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 714, positive: 693, positive conditional: 0, positive unconditional: 693, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1659, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 68, negative conditional: 47, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1639, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 48, negative conditional: 27, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1639, positive: 1591, positive conditional: 898, positive unconditional: 693, negative: 48, negative conditional: 27, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 766, positive unconditional: 825, negative: 101, negative conditional: 53, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 265, positive unconditional: 1326, negative: 101, negative conditional: 26, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1692, positive: 1591, positive conditional: 265, positive unconditional: 1326, negative: 101, negative conditional: 26, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 721, positive: 697, positive conditional: 4, positive unconditional: 693, negative: 24, negative conditional: 3, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 721, positive: 691, positive conditional: 0, positive unconditional: 691, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 24, negative conditional: 3, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 425, positive: 22, positive conditional: 19, positive unconditional: 3, negative: 404, negative conditional: 57, negative unconditional: 347, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1692, positive: 894, positive conditional: 261, positive unconditional: 633, negative: 77, negative conditional: 23, negative unconditional: 54, unknown: 721, unknown conditional: 7, unknown unconditional: 714] , Statistics on independence cache: Total cache size (in pairs): 721, Positive cache size: 697, Positive conditional cache size: 4, Positive unconditional cache size: 693, Negative cache size: 24, Negative conditional cache size: 3, Negative unconditional cache size: 21, Eliminated conditions: 528, Maximal queried relation: 2, Independence queries for same thread: 20 - 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: [L708] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L709] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0] [L710] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0] [L712] 0 int x = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L713] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0] [L714] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0] [L715] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L716] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L717] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L718] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0] [L719] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L720] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L721] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0] [L722] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L723] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L724] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L725] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L726] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L728] 0 int y = 0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L729] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L730] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L790] 0 pthread_t t2475; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L791] FCALL, FORK 0 pthread_create(&t2475, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2475, ((void *)0), P0, ((void *)0))=-1, t2475={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L792] 0 pthread_t t2476; VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2475={5:0}, t2476={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L793] FCALL, FORK 0 pthread_create(&t2476, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2476, ((void *)0), P1, ((void *)0))=0, t2475={5:0}, t2476={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L754] 2 x$w_buff1 = x$w_buff0 [L755] 2 x$w_buff0 = 2 [L756] 2 x$w_buff1_used = x$w_buff0_used [L757] 2 x$w_buff0_used = (_Bool)1 [L758] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L758] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L765] 2 y = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L734] 1 y = 2 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L737] 1 x = 1 VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L768] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L777] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L740] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L741] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L742] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L743] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L744] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475={5:0}, t2476={3:0}, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L797] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L797] RET 0 assume_abort_if_not(main$tmp_guard0) [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L799] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 x$flush_delayed = weak$$choice2 [L809] 0 x$mem_tmp = x [L810] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L810] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L811] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L811] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L812] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L812] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L813] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L814] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L815] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L816] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L816] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L818] 0 x = x$flush_delayed ? x$mem_tmp : x [L819] 0 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475={5:0}, t2476={3:0}, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - UnprovableResult [Line: 791]: 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: 793]: 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 111 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.1s, HoareTripleCheckerStatistics: , 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 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 5 procedures, 111 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 0.8s InterpolantComputationTime, 417 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 1204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2021-11-25 04:35:22,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2021-11-25 04:35:23,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-25 04:35:23,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d1185cc-ab85-4ac6-8faa-4c2cfa06eff9/bin/ugemcutter-4L4vKOHkXZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE