./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw --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 62e921ac3b02bdecb866366797768eb8fcdb22a87147dc14adf7fddb42ab9cb2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:22:02,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:22:02,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:22:02,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:22:02,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:22:02,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:22:02,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:22:02,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:22:02,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:22:02,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:22:02,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:22:02,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:22:02,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:22:02,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:22:02,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:22:02,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:22:02,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:22:02,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:22:02,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:22:02,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:22:02,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:22:02,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:22:02,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:22:02,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:22:02,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:22:02,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:22:02,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:22:02,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:22:02,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:22:02,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:22:02,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:22:02,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:22:02,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:22:02,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:22:02,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:22:02,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:22:02,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:22:02,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:22:02,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:22:02,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:22:02,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:22:02,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:22:02,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:22:02,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:22:02,596 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:22:02,596 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:22:02,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:22:02,597 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:22:02,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:22:02,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:22:02,598 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:22:02,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:22:02,599 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:22:02,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:22:02,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:22:02,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:22:02,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:22:02,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:22:02,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:22:02,600 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:22:02,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:22:02,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:22:02,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:22:02,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:22:02,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:22:02,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:22:02,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:22:02,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:22:02,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:22:02,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:22:02,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:22:02,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:22:02,603 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:22:02,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:22:02,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:22:02,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:22:02,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:22:02,604 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:22:02,604 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:22:02,605 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_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62e921ac3b02bdecb866366797768eb8fcdb22a87147dc14adf7fddb42ab9cb2 [2021-11-23 14:22:02,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:22:02,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:22:02,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:22:02,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:22:02,937 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:22:02,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i [2021-11-23 14:22:03,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/data/eec7c6635/ea48560a92344640afe8ab880624e8f6/FLAG401228382 [2021-11-23 14:22:03,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:22:03,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/sv-benchmarks/c/pthread-wmm/rfi007_tso.i [2021-11-23 14:22:03,568 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/data/eec7c6635/ea48560a92344640afe8ab880624e8f6/FLAG401228382 [2021-11-23 14:22:03,825 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/data/eec7c6635/ea48560a92344640afe8ab880624e8f6 [2021-11-23 14:22:03,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:22:03,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:22:03,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:22:03,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:22:03,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:22:03,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:03" (1/1) ... [2021-11-23 14:22:03,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4faa44c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:03, skipping insertion in model container [2021-11-23 14:22:03,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:22:03" (1/1) ... [2021-11-23 14:22:03,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:22:03,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:22:04,098 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_d719b933-4078-4a2f-895c-a35980dff9eb/sv-benchmarks/c/pthread-wmm/rfi007_tso.i[944,957] [2021-11-23 14:22:04,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:22:04,391 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:22:04,403 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_d719b933-4078-4a2f-895c-a35980dff9eb/sv-benchmarks/c/pthread-wmm/rfi007_tso.i[944,957] [2021-11-23 14:22:04,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:22:04,511 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:22:04,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04 WrapperNode [2021-11-23 14:22:04,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:22:04,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:22:04,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:22:04,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:22:04,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,560 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,612 INFO L137 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 362 [2021-11-23 14:22:04,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:22:04,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:22:04,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:22:04,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:22:04,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:22:04,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:22:04,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:22:04,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:22:04,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (1/1) ... [2021-11-23 14:22:04,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:22:04,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:04,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:22:04,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:22:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:22:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 14:22:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:22:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:22:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:22:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-23 14:22:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-23 14:22:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-23 14:22:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-23 14:22:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:22:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 14:22:04,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:22:04,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:22:04,787 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:22:04,906 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:22:04,908 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:22:05,689 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:22:06,195 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:22:06,196 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 14:22:06,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:06 BoogieIcfgContainer [2021-11-23 14:22:06,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:22:06,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:22:06,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:22:06,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:22:06,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:22:03" (1/3) ... [2021-11-23 14:22:06,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ca3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:06, skipping insertion in model container [2021-11-23 14:22:06,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:22:04" (2/3) ... [2021-11-23 14:22:06,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ca3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:22:06, skipping insertion in model container [2021-11-23 14:22:06,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:06" (3/3) ... [2021-11-23 14:22:06,214 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_tso.i [2021-11-23 14:22:06,220 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:22:06,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:22:06,220 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 14:22:06,221 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:22:06,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,269 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,269 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,270 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,270 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,270 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,270 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,271 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,272 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,273 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,274 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,275 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,276 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,278 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,279 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,280 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,280 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,280 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,280 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,280 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,281 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,281 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,281 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,282 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,283 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,283 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,283 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,283 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,284 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,284 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,284 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,285 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,285 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,285 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,285 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,285 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,286 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,286 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,286 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,286 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,287 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,287 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,287 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,287 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,287 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,288 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,288 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,288 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,288 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,288 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,289 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,289 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,289 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,290 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,290 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,290 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,290 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,290 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,291 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,291 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,291 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,291 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,291 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,292 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,293 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,296 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,297 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,298 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,299 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,300 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,300 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,300 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,300 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,306 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,307 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,308 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,309 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,310 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,311 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,312 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,314 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,315 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,316 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,317 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,318 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,324 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,325 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,326 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,327 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,328 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,330 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,330 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,331 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,332 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,333 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,334 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~nondet9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,336 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,336 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,336 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,336 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,337 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,337 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,337 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,337 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,338 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,338 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,338 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 14:22:06,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:22:06,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:06,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:22:06,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:22:06,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2021-11-23 14:22:06,450 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 [2021-11-23 14:22:06,450 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:22:06,609 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,629 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:06,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:22:06,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:06,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1194478354, now seen corresponding path program 1 times [2021-11-23 14:22:06,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:06,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586053553] [2021-11-23 14:22:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:06,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:06,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:06,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586053553] [2021-11-23 14:22:06,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586053553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:06,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:06,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:22:06,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562844907] [2021-11-23 14:22:06,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:06,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:22:06,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:06,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:22:06,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:22:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:06,994 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:06,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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) [2021-11-23 14:22:06,995 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:07,035 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,035 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite25#1_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,036 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,036 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,036 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22#1_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,037 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite28#1_71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,037 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,037 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14#1_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,038 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,038 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite29#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,038 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,039 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,039 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,059 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,067 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,076 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,077 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,117 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,126 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,137 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,152 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,161 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,173 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,181 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,191 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,204 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,205 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,205 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,205 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,206 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,206 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,206 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,207 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,207 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,207 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,208 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,208 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,208 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,209 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,236 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,237 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,238 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,238 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,238 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,239 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,239 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,239 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,239 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,240 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,284 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,284 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,284 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,285 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,285 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,285 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,285 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,286 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,286 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,286 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,286 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,287 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,315 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,316 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,316 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,316 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,317 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,317 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,317 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,317 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,318 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,318 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,318 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,319 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,319 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,319 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,346 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,346 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,347 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,347 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,347 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,348 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,348 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,348 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,348 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,349 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,350 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,350 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,384 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,384 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,385 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,385 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,385 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,386 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,386 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,386 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,387 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,387 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,387 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,388 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,388 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,388 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,465 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,466 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,466 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,466 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,467 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,467 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,467 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,468 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,468 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,468 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,469 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,469 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,469 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,469 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,489 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,490 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,491 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,492 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,524 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,524 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,524 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,525 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,525 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,525 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,555 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,556 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,556 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,556 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,557 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,557 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,557 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,558 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,558 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,558 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,558 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,559 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,559 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,559 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,587 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,588 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,588 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,588 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,589 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,589 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,589 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,589 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,590 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,590 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,590 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,591 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,593 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,617 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,618 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,619 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,619 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,619 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,620 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,620 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,620 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,621 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,621 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,670 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,681 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:07,725 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 14:22:07,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:22:07,738 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 14:22:07,740 INFO L308 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE (1/2) [2021-11-23 14:22:07,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:22:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:07,762 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:22:07,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-23 14:22:07,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:22:07,777 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 [2021-11-23 14:22:07,777 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 14:22:07,848 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,862 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,882 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,901 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,901 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,902 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,903 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,903 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,904 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,905 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:07,932 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:22:07,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:07,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1509733328, now seen corresponding path program 1 times [2021-11-23 14:22:07,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:07,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156617736] [2021-11-23 14:22:07,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:07,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:08,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:08,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156617736] [2021-11-23 14:22:08,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156617736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:08,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:08,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:22:08,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136613191] [2021-11-23 14:22:08,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:08,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:22:08,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:08,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:22:08,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:22:08,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,073 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:08,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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) [2021-11-23 14:22:08,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:22:08,106 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:22:08,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash 594156316, now seen corresponding path program 1 times [2021-11-23 14:22:08,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:08,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899634889] [2021-11-23 14:22:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:08,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:08,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:08,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899634889] [2021-11-23 14:22:08,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899634889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:08,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:08,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:22:08,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321685917] [2021-11-23 14:22:08,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:08,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:22:08,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:08,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:22:08,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:22:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,347 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:08,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-11-23 14:22:08,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,367 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,369 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,370 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite25#1_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,370 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,370 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,371 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22#1_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,371 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite28#1_71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,371 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,371 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14#1_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,372 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,372 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite29#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,372 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,373 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,373 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,422 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite20#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,423 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite25#1_61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,423 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite13#1_47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,423 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite17#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,424 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite22#1_53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,424 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite28#1_71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,424 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite16#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,424 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite14#1_39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,425 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite11#1_37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,425 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite29#1_63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,425 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite23#1_51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,425 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite19#1_65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,426 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite26#1_57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite67#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite53#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite55#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite59#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite52#1_58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite50#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite56#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,459 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_183 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite65#1_40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite64#1_44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite68#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,460 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite58#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite62#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,461 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite61#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,513 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,514 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,536 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:08,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:22:08,575 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:22:08,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:08,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1148022072, now seen corresponding path program 1 times [2021-11-23 14:22:08,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:08,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235244572] [2021-11-23 14:22:08,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:08,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:08,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:08,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235244572] [2021-11-23 14:22:08,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235244572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:08,831 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:08,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:22:08,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132640977] [2021-11-23 14:22:08,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:08,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:22:08,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:08,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:22:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:22:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,833 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:08,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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) [2021-11-23 14:22:08,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:08,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:08,930 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,937 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite42#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:08,938 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:09,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:09,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:09,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:22:09,031 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:22:09,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash -105131949, now seen corresponding path program 1 times [2021-11-23 14:22:09,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:09,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847282697] [2021-11-23 14:22:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:09,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:09,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:22:09,428 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847282697] [2021-11-23 14:22:09,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847282697] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:22:09,433 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:22:09,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-23 14:22:09,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802563946] [2021-11-23 14:22:09,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:22:09,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:22:09,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:09,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:22:09,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:22:09,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:09,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:09,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 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) [2021-11-23 14:22:09,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:09,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:09,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:09,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:09,702 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,715 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,718 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,735 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,736 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,764 WARN L322 ript$VariableManager]: TermVariabe |v_P0_#t~ite3_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,765 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite32#1_31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:22:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:22:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:22:09,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:22:09,878 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-23 14:22:09,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:09,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1504670991, now seen corresponding path program 2 times [2021-11-23 14:22:09,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:09,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626215589] [2021-11-23 14:22:09,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:09,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:22:09,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:22:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:22:10,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:22:10,141 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 14:22:10,142 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 14:22:10,142 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-23 14:22:10,142 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-23 14:22:10,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:22:10,150 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-23 14:22:10,151 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (2/2) [2021-11-23 14:22:10,154 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 14:22:10,154 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:22:10,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:22:10 BasicIcfg [2021-11-23 14:22:10,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:22:10,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:22:10,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:22:10,314 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:22:10,314 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:22:06" (3/4) ... [2021-11-23 14:22:10,316 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 14:22:10,488 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/witness.graphml [2021-11-23 14:22:10,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:22:10,489 INFO L158 Benchmark]: Toolchain (without parser) took 6660.05ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 91.1MB in the beginning and 174.0MB in the end (delta: -82.9MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,489 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory was 101.1MB in the beginning and 101.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:22:10,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 669.04ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 89.3MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.10ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,491 INFO L158 Benchmark]: Boogie Preprocessor took 79.09ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,491 INFO L158 Benchmark]: RCFGBuilder took 1504.10ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 83.8MB in the beginning and 93.2MB in the end (delta: -9.5MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,491 INFO L158 Benchmark]: TraceAbstraction took 4110.95ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 93.2MB in the beginning and 101.7MB in the end (delta: -8.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,492 INFO L158 Benchmark]: Witness Printer took 174.52ms. Allocated memory is still 230.7MB. Free memory was 101.7MB in the beginning and 174.0MB in the end (delta: -72.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 14:22:10,495 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 130.0MB. Free memory was 101.1MB in the beginning and 101.0MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 669.04ms. Allocated memory is still 130.0MB. Free memory was 90.7MB in the beginning and 89.3MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.10ms. Allocated memory is still 130.0MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.09ms. Allocated memory is still 130.0MB. Free memory was 86.5MB in the beginning and 83.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1504.10ms. Allocated memory was 130.0MB in the beginning and 169.9MB in the end (delta: 39.8MB). Free memory was 83.8MB in the beginning and 93.2MB in the end (delta: -9.5MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4110.95ms. Allocated memory was 169.9MB in the beginning and 230.7MB in the end (delta: 60.8MB). Free memory was 93.2MB in the beginning and 101.7MB in the end (delta: -8.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 174.52ms. Allocated memory is still 230.7MB. Free memory was 101.7MB in the beginning and 174.0MB in the end (delta: -72.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2122, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 134, negative conditional: 114, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2116, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 128, negative conditional: 108, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2116, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 128, negative conditional: 108, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 1095, positive unconditional: 893, negative: 236, negative conditional: 108, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 880, positive unconditional: 1108, negative: 236, negative conditional: 106, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 880, positive unconditional: 1108, negative: 236, negative conditional: 106, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 912, positive: 883, positive conditional: 4, positive unconditional: 879, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 912, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 669, positive: 67, positive conditional: 65, positive unconditional: 2, negative: 602, negative conditional: 168, negative unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2224, positive: 1105, positive conditional: 876, positive unconditional: 229, negative: 207, negative conditional: 100, negative unconditional: 107, unknown: 912, unknown conditional: 10, unknown unconditional: 902] , Statistics on independence cache: Total cache size (in pairs): 912, Positive cache size: 883, Positive conditional cache size: 4, Positive unconditional cache size: 879, Negative cache size: 29, Negative conditional cache size: 6, Negative unconditional cache size: 23, Eliminated conditions: 217, Maximal queried relation: 1, Independence queries for same thread: 6 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 204, Number of trivial persistent sets: 157, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 899, positive: 879, positive conditional: 0, positive unconditional: 879, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2122, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 134, negative conditional: 114, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2116, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 128, negative conditional: 108, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2116, positive: 1988, positive conditional: 1109, positive unconditional: 879, negative: 128, negative conditional: 108, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 1095, positive unconditional: 893, negative: 236, negative conditional: 108, negative unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 880, positive unconditional: 1108, negative: 236, negative conditional: 106, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2224, positive: 1988, positive conditional: 880, positive unconditional: 1108, negative: 236, negative conditional: 106, negative unconditional: 130, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 912, positive: 883, positive conditional: 4, positive unconditional: 879, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 912, positive: 878, positive conditional: 0, positive unconditional: 878, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 29, negative conditional: 6, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 669, positive: 67, positive conditional: 65, positive unconditional: 2, negative: 602, negative conditional: 168, negative unconditional: 434, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2224, positive: 1105, positive conditional: 876, positive unconditional: 229, negative: 207, negative conditional: 100, negative unconditional: 107, unknown: 912, unknown conditional: 10, unknown unconditional: 902] , Statistics on independence cache: Total cache size (in pairs): 912, Positive cache size: 883, Positive conditional cache size: 4, Positive unconditional cache size: 879, Negative cache size: 29, Negative conditional cache size: 6, Negative unconditional cache size: 23, Eliminated conditions: 217, Maximal queried relation: 1, Independence queries for same thread: 6 - 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: 1627, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 62, negative conditional: 42, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1609, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 44, negative conditional: 24, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1609, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 44, negative conditional: 24, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 728, positive unconditional: 837, negative: 95, negative conditional: 51, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 205, positive unconditional: 1360, negative: 95, negative conditional: 10, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 205, positive unconditional: 1360, negative: 95, negative conditional: 10, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 740, positive: 719, positive conditional: 4, positive unconditional: 715, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 740, positive: 713, positive conditional: 0, positive unconditional: 713, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 424, positive: 36, positive conditional: 33, positive unconditional: 3, negative: 388, negative conditional: 2, negative unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1660, positive: 846, positive conditional: 201, positive unconditional: 645, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 740, unknown conditional: 5, unknown unconditional: 735] , Statistics on independence cache: Total cache size (in pairs): 740, Positive cache size: 719, Positive conditional cache size: 4, Positive unconditional cache size: 715, Negative cache size: 21, Negative conditional cache size: 1, Negative unconditional cache size: 20, Eliminated conditions: 564, Maximal queried relation: 2, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 237, Number of trivial persistent sets: 98, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 735, positive: 715, positive conditional: 0, positive unconditional: 715, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1627, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 62, negative conditional: 42, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1609, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 44, negative conditional: 24, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1609, positive: 1565, positive conditional: 850, positive unconditional: 715, negative: 44, negative conditional: 24, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 728, positive unconditional: 837, negative: 95, negative conditional: 51, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 205, positive unconditional: 1360, negative: 95, negative conditional: 10, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1660, positive: 1565, positive conditional: 205, positive unconditional: 1360, negative: 95, negative conditional: 10, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 740, positive: 719, positive conditional: 4, positive unconditional: 715, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 740, positive: 713, positive conditional: 0, positive unconditional: 713, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 27, positive: 6, positive conditional: 4, positive unconditional: 2, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 424, positive: 36, positive conditional: 33, positive unconditional: 3, negative: 388, negative conditional: 2, negative unconditional: 386, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1660, positive: 846, positive conditional: 201, positive unconditional: 645, negative: 74, negative conditional: 9, negative unconditional: 65, unknown: 740, unknown conditional: 5, unknown unconditional: 735] , Statistics on independence cache: Total cache size (in pairs): 740, Positive cache size: 719, Positive conditional cache size: 4, Positive unconditional cache size: 715, Negative cache size: 21, Negative conditional cache size: 1, Negative unconditional cache size: 20, Eliminated conditions: 564, Maximal queried relation: 2, Independence queries for same thread: 18 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 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] [L710] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0] [L712] 0 int __unbuffered_p1_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0] [L713] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0] [L714] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L716] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L718] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L719] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L720] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L721] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L722] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L723] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0] [L728] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L729] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L730] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L731] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L732] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L733] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L734] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 0 pthread_t t1717; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1717={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L811] FCALL, FORK 0 pthread_create(&t1717, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1717, ((void *)0), P0, ((void *)0))=-1, t1717={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t1718; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1717={5:0}, t1718={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L813] FCALL, FORK 0 pthread_create(&t1718, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1718, ((void *)0), P1, ((void *)0))=0, t1717={5:0}, t1718={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 y$w_buff1 = y$w_buff0 [L759] 2 y$w_buff0 = 2 [L760] 2 y$w_buff1_used = y$w_buff0_used [L761] 2 y$w_buff0_used = (_Bool)1 [L762] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L762] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L763] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L764] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L765] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L766] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L770] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L771] 2 y$flush_delayed = weak$$choice2 [L772] 2 y$mem_tmp = y [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L776] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L777] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L779] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 __unbuffered_p1_EAX = y [L781] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L781] 2 y = y$flush_delayed ? y$mem_tmp : y [L782] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L785] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L741] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L797] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L745] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L746] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L747] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L748] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1717={5:0}, t1718={3:0}, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L817] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L817] RET 0 assume_abort_if_not(main$tmp_guard0) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 0 y$flush_delayed = weak$$choice2 [L829] 0 y$mem_tmp = y [L830] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L830] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L831] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L831] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L832] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L832] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L833] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L833] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L834] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L834] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L835] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L836] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L836] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L837] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L838] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L838] 0 y = y$flush_delayed ? y$mem_tmp : y [L839] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1717={5:0}, t1718={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L841] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L18] 0 reach_error() VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, expression=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 813]: 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: 811]: 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, 115 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.9s, 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, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 48 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, 115 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 25, 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, 0.6s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 278 ConstructedInterpolants, 0 QuantifiedInterpolants, 911 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2021-11-23 14:22:10,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:10,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:10,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d719b933-4078-4a2f-895c-a35980dff9eb/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE