./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d --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 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:49:00,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:49:00,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:49:00,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:49:00,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:49:00,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:49:00,469 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:49:00,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:49:00,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:49:00,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:49:00,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:49:00,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:49:00,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:49:00,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:49:00,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:49:00,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:49:00,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:49:00,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:49:00,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:49:00,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:49:00,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:49:00,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:49:00,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:49:00,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:49:00,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:49:00,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:49:00,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:49:00,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:49:00,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:49:00,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:49:00,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:49:00,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:49:00,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:49:00,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:49:00,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:49:00,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:49:00,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:49:00,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:49:00,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:49:00,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:49:00,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:49:00,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-20 07:49:00,572 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:49:00,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:49:00,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:49:00,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:49:00,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:49:00,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:49:00,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:49:00,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:49:00,581 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:49:00,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:49:00,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:49:00,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:49:00,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:49:00,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:49:00,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:49:00,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:49:00,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:49:00,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:49:00,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:49:00,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:49:00,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:49:00,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:49:00,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:49:00,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:49:00,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:49:00,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:49:00,585 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:49:00,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:49:00,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:49:00,586 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:49:00,586 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:49:00,586 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_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 740668a6bdee7f1177df0d0d81e76f2a2521fb58ce5f63a4942f3d36e11f9dad [2021-11-20 07:49:00,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:49:00,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:49:00,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:49:00,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:49:00,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:49:00,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2021-11-20 07:49:00,968 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/data/f638b6642/f836aaa861a34e6ab9144f5d451de27b/FLAGc881db0e8 [2021-11-20 07:49:01,483 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:49:01,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i [2021-11-20 07:49:01,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/data/f638b6642/f836aaa861a34e6ab9144f5d451de27b/FLAGc881db0e8 [2021-11-20 07:49:01,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/data/f638b6642/f836aaa861a34e6ab9144f5d451de27b [2021-11-20 07:49:01,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:49:01,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:49:01,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:49:01,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:49:01,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:49:01,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:01" (1/1) ... [2021-11-20 07:49:01,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a313b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:01, skipping insertion in model container [2021-11-20 07:49:01,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:49:01" (1/1) ... [2021-11-20 07:49:01,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:49:01,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:49:02,061 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_2d3319c8-325e-46fc-aa41-9277bb8a447c/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i[967,980] [2021-11-20 07:49:02,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:49:02,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:49:02,234 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_2d3319c8-325e-46fc-aa41-9277bb8a447c/sv-benchmarks/c/pthread-wmm/safe031_power.opt_pso.opt_rmo.opt.i[967,980] [2021-11-20 07:49:02,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:49:02,326 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:49:02,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02 WrapperNode [2021-11-20 07:49:02,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:49:02,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:49:02,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:49:02,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:49:02,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,387 INFO L137 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2021-11-20 07:49:02,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:49:02,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:49:02,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:49:02,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:49:02,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:49:02,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:49:02,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:49:02,458 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:49:02,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (1/1) ... [2021-11-20 07:49:02,474 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:49:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:49:02,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:49:02,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:49:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:49:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:49:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:49:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:49:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:49:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 07:49:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 07:49:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 07:49:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 07:49:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 07:49:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 07:49:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:49:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:49:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:49:02,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:49:02,571 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:49:02,712 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:49:02,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:49:03,286 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:49:03,752 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:49:03,753 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:49:03,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:03 BoogieIcfgContainer [2021-11-20 07:49:03,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:49:03,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:49:03,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:49:03,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:49:03,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:49:01" (1/3) ... [2021-11-20 07:49:03,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abfc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:49:03, skipping insertion in model container [2021-11-20 07:49:03,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:49:02" (2/3) ... [2021-11-20 07:49:03,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abfc93c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:49:03, skipping insertion in model container [2021-11-20 07:49:03,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:03" (3/3) ... [2021-11-20 07:49:03,765 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_power.opt_pso.opt_rmo.opt.i [2021-11-20 07:49:03,772 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:49:03,772 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:49:03,772 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 07:49:03,773 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:49:03,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,833 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,834 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,834 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,835 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,836 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,837 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,837 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,838 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,839 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,840 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,841 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,842 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,843 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,843 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,848 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,848 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,848 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,850 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,850 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,850 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,851 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,851 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,852 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,852 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,852 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,852 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,853 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,853 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,854 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,854 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,854 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,854 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,854 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,855 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,855 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,857 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,857 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,857 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,857 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,857 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,858 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,858 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,858 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,858 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,859 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,859 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,865 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,865 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,865 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,865 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,866 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,867 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,870 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,871 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,873 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,874 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,879 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,880 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,882 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,882 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,882 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,882 WARN L322 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:03,883 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:49:03,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:49:03,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:49:03,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:49:03,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:49:04,017 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2021-11-20 07:49:04,026 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 [2021-11-20 07:49:04,027 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:49:04,146 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,146 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,146 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,147 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,148 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,148 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,148 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,149 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,150 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,200 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,200 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,200 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,202 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,202 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,202 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,202 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,203 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,203 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,203 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,290 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,301 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,317 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,329 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,330 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,367 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,381 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:49:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:04,390 INFO L85 PathProgramCache]: Analyzing trace with hash 210319574, now seen corresponding path program 1 times [2021-11-20 07:49:04,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:04,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873679419] [2021-11-20 07:49:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:04,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:04,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:04,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:04,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873679419] [2021-11-20 07:49:04,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873679419] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:04,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:04,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:49:04,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167829550] [2021-11-20 07:49:04,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:04,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:49:04,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:04,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:49:04,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:49:04,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:04,888 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:04,889 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:49:04,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:04,974 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,990 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:04,998 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,022 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,023 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,024 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,025 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,025 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,052 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,090 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,091 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,091 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,091 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,092 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,092 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,092 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,092 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,093 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,093 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,093 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,094 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,094 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,094 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,149 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,150 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,150 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,150 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,150 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,151 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,151 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,151 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,151 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,152 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,152 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,152 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,180 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,181 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,181 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,181 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,182 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,183 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,184 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,184 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,184 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,185 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,185 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,185 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,185 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,185 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,223 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,223 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,224 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,224 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,224 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,224 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,225 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,225 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,225 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,225 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,226 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,226 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,226 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,226 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,305 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,313 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,328 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,350 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,366 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,367 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,367 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,368 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,375 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,376 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,377 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,377 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,377 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,377 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,378 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,380 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,404 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,405 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,406 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,407 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,407 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,434 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,435 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,457 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,458 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,459 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,459 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,462 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,494 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,502 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,513 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,562 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,563 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,563 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,564 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,564 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,564 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,564 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,565 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,565 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,584 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,584 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,585 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,585 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,585 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,586 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,586 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,604 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,605 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,605 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,606 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,639 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:05,640 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 07:49:06,222 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 07:49:06,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:49:06,238 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-20 07:49:06,239 INFO L308 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2021-11-20 07:49:06,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:49:06,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:49:06,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:49:06,261 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-20 07:49:06,262 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 [2021-11-20 07:49:06,262 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-20 07:49:06,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2021-11-20 07:49:06,331 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,345 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,362 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,363 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,364 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,364 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,364 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,364 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,365 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,365 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,366 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,366 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,366 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,392 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,393 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,393 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,393 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,393 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,394 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,395 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,395 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,395 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,395 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,396 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,396 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,396 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,446 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,447 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,447 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,447 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,447 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,448 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,448 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,448 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,448 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,449 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,449 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,449 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,449 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,450 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:06,475 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:06,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:06,476 INFO L85 PathProgramCache]: Analyzing trace with hash -865172304, now seen corresponding path program 1 times [2021-11-20 07:49:06,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:06,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878764799] [2021-11-20 07:49:06,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:06,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:06,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:06,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878764799] [2021-11-20 07:49:06,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878764799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:06,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:06,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:49:06,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219996016] [2021-11-20 07:49:06,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:06,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:49:06,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:06,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:49:06,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:49:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:06,536 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:06,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:49:06,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:06,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:06,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:49:06,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:06,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:06,555 INFO L85 PathProgramCache]: Analyzing trace with hash 132457113, now seen corresponding path program 1 times [2021-11-20 07:49:06,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:06,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995602318] [2021-11-20 07:49:06,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:06,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:06,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:06,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995602318] [2021-11-20 07:49:06,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995602318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:06,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:06,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 07:49:06,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886606331] [2021-11-20 07:49:06,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:06,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:49:06,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:06,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:49:06,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:49:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:06,990 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:06,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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) [2021-11-20 07:49:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:06,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,111 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,111 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,111 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,112 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,112 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,112 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,112 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,113 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,113 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,113 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,113 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,114 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,114 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,114 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,137 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,137 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,137 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,138 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,138 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,138 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,138 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,139 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,139 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,139 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,139 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,140 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,140 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,140 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,164 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,164 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,165 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,165 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,165 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,165 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,166 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,166 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,166 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,166 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,167 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,167 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,167 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,167 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,188 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,188 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,189 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,189 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,189 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,189 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,190 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,190 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,190 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,190 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,191 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,191 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,191 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,191 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,213 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,213 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite44#1_34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,214 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,215 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,216 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,216 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,248 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,258 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,259 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,259 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,259 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,259 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,260 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,260 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,260 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,260 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,261 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,261 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,261 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,261 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite43#1_38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,280 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite35#1_46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,281 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,282 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite47#1_42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,283 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,283 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,302 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite46#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,310 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite41#1_50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,311 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,312 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,312 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,312 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,314 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,335 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,336 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite38#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite32#1_54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite34#1_52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,337 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,338 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,338 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,338 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:07,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:49:07,428 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:07,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:07,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1446713566, now seen corresponding path program 1 times [2021-11-20 07:49:07,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:07,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127187808] [2021-11-20 07:49:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:07,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:07,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:07,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:07,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127187808] [2021-11-20 07:49:07,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127187808] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:07,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:07,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:49:07,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649365395] [2021-11-20 07:49:07,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:07,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:49:07,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:07,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:49:07,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:49:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:07,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 8 states have internal predecessors, (82), 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) [2021-11-20 07:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:07,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,681 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite31#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,681 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,681 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite29#1_60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,681 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,682 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite40#1_56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,705 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite37#1_62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,705 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,745 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,778 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,779 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:07,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:08,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:49:08,000 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:08,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:08,001 INFO L85 PathProgramCache]: Analyzing trace with hash -596978924, now seen corresponding path program 1 times [2021-11-20 07:49:08,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:08,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312803164] [2021-11-20 07:49:08,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:08,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:08,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:08,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312803164] [2021-11-20 07:49:08,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312803164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:08,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:08,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-20 07:49:08,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257064595] [2021-11-20 07:49:08,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:08,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-20 07:49:08,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:08,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-20 07:49:08,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-20 07:49:08,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:08,337 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:08,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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) [2021-11-20 07:49:08,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:08,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:08,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:08,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:08,394 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:08,417 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:08,445 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:08,477 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:08,478 WARN L322 ript$VariableManager]: TermVariabe v_~y~0_135 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:08,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:08,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:49:08,787 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:08,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1981949602, now seen corresponding path program 1 times [2021-11-20 07:49:08,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:08,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813847031] [2021-11-20 07:49:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:08,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:09,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:09,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813847031] [2021-11-20 07:49:09,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813847031] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:09,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:09,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 07:49:09,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279980052] [2021-11-20 07:49:09,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:09,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:49:09,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:09,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:49:09,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:49:09,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,169 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:09,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 11 states have internal predecessors, (88), 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) [2021-11-20 07:49:09,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:09,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:09,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:09,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,322 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,510 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,531 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,617 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:09,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:09,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:09,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:49:09,654 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:09,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:09,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1995429731, now seen corresponding path program 1 times [2021-11-20 07:49:09,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:09,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527228172] [2021-11-20 07:49:09,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:09,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:09,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:09,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527228172] [2021-11-20 07:49:09,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527228172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:09,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:09,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:49:09,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475180531] [2021-11-20 07:49:09,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:09,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:49:09,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:09,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:49:09,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:49:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,815 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:09,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:49:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:09,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:09,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:09,871 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,957 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,966 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,977 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,986 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,986 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,996 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:09,997 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,016 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,017 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,045 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,076 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,291 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,370 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,376 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,403 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,476 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:10,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:10,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:10,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:49:10,954 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:10,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:10,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1365486003, now seen corresponding path program 2 times [2021-11-20 07:49:10,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:10,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979188333] [2021-11-20 07:49:10,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:10,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:11,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:11,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979188333] [2021-11-20 07:49:11,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979188333] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:11,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:11,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 07:49:11,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54430722] [2021-11-20 07:49:11,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:11,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 07:49:11,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:11,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 07:49:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 07:49:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:11,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 7 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:49:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,223 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:11,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:11,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:49:11,352 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:11,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:11,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1306859407, now seen corresponding path program 1 times [2021-11-20 07:49:11,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:11,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280240264] [2021-11-20 07:49:11,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:11,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:11,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:11,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280240264] [2021-11-20 07:49:11,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280240264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:11,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:11,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:49:11,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607505576] [2021-11-20 07:49:11,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:11,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:49:11,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:11,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:49:11,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:49:11,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,474 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:11,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 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) [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:11,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,544 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:11,551 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:11,551 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 07:49:11,660 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:11,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:11,661 INFO L85 PathProgramCache]: Analyzing trace with hash -992629885, now seen corresponding path program 1 times [2021-11-20 07:49:11,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:11,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782725562] [2021-11-20 07:49:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:11,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:11,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:11,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782725562] [2021-11-20 07:49:11,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782725562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:11,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:11,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-11-20 07:49:11,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43097971] [2021-11-20 07:49:11,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:11,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-20 07:49:11,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:11,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 07:49:11,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-11-20 07:49:11,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,923 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:11,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.0) internal successors, (84), 12 states have internal predecessors, (84), 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) [2021-11-20 07:49:11,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:11,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:11,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:11,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:12,164 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,201 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,242 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,249 WARN L322 ript$VariableManager]: TermVariabe |v_ULTIMATE.start_main_#t~ite21#1_28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,260 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,273 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,297 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,407 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,417 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,425 WARN L322 ript$VariableManager]: TermVariabe |v_P2_#t~ite9#1_35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,426 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,447 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,485 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,501 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,555 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:12,569 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:13,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 07:49:13,436 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:13,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1485233724, now seen corresponding path program 1 times [2021-11-20 07:49:13,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:13,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607035728] [2021-11-20 07:49:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:13,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:49:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:49:13,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:49:13,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607035728] [2021-11-20 07:49:13,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607035728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:49:13,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:49:13,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 07:49:13,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988675390] [2021-11-20 07:49:13,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:49:13,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 07:49:13,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:49:13,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 07:49:13,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 07:49:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:13,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:49:13,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) [2021-11-20 07:49:13,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:13,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:13,687 WARN L322 ript$VariableManager]: TermVariabe |v_P1_#t~ite3_27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:49:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 07:49:13,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-20 07:49:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:49:13,729 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 07:49:13,729 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-11-20 07:49:13,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:49:13,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1124978810, now seen corresponding path program 1 times [2021-11-20 07:49:13,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:49:13,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615066121] [2021-11-20 07:49:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:49:13,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:49:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:49:13,766 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:49:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:49:13,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:49:13,862 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:49:13,862 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-11-20 07:49:13,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-11-20 07:49:13,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-11-20 07:49:13,863 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2021-11-20 07:49:13,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 07:49:13,865 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:49:13,866 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (2/2) [2021-11-20 07:49:13,869 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:49:13,869 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:49:14,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:49:14 BasicIcfg [2021-11-20 07:49:14,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:49:14,012 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:49:14,012 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:49:14,012 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:49:14,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:49:03" (3/4) ... [2021-11-20 07:49:14,014 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 07:49:14,175 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/witness.graphml [2021-11-20 07:49:14,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:49:14,177 INFO L158 Benchmark]: Toolchain (without parser) took 12394.64ms. Allocated memory was 104.9MB in the beginning and 299.9MB in the end (delta: 195.0MB). Free memory was 60.4MB in the beginning and 93.1MB in the end (delta: -32.7MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,177 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:49:14,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.48ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 66.1MB in the end (delta: -5.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.47ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,179 INFO L158 Benchmark]: Boogie Preprocessor took 69.03ms. Allocated memory is still 104.9MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,179 INFO L158 Benchmark]: RCFGBuilder took 1297.50ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.9MB in the beginning and 61.1MB in the end (delta: -184.4kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,180 INFO L158 Benchmark]: TraceAbstraction took 10254.19ms. Allocated memory was 125.8MB in the beginning and 299.9MB in the end (delta: 174.1MB). Free memory was 60.4MB in the beginning and 121.5MB in the end (delta: -61.1MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,180 INFO L158 Benchmark]: Witness Printer took 164.10ms. Allocated memory is still 299.9MB. Free memory was 121.5MB in the beginning and 93.1MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-20 07:49:14,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 534.48ms. Allocated memory is still 104.9MB. Free memory was 60.2MB in the beginning and 66.1MB in the end (delta: -5.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.47ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 63.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.03ms. Allocated memory is still 104.9MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1297.50ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 60.9MB in the beginning and 61.1MB in the end (delta: -184.4kB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10254.19ms. Allocated memory was 125.8MB in the beginning and 299.9MB in the end (delta: 174.1MB). Free memory was 60.4MB in the beginning and 121.5MB in the end (delta: -61.1MB). Peak memory consumption was 112.9MB. Max. memory is 16.1GB. * Witness Printer took 164.10ms. Allocated memory is still 299.9MB. Free memory was 121.5MB in the beginning and 93.1MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20034, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1131, negative conditional: 1102, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19920, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1017, negative conditional: 988, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19920, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1017, negative conditional: 988, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 17090, positive unconditional: 1813, negative: 2005, negative conditional: 988, negative unconditional: 1017, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 11981, positive unconditional: 6922, negative: 2005, negative conditional: 935, negative unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 11981, positive unconditional: 6922, negative: 2005, negative conditional: 935, negative unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1851, positive: 1810, positive conditional: 5, positive unconditional: 1805, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1851, positive: 1801, positive conditional: 0, positive unconditional: 1801, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 892, positive: 79, positive conditional: 72, positive unconditional: 7, negative: 814, negative conditional: 234, negative unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20908, positive: 17093, positive conditional: 11976, positive unconditional: 5117, negative: 1964, negative conditional: 926, negative unconditional: 1038, unknown: 1851, unknown conditional: 14, unknown unconditional: 1837] , Statistics on independence cache: Total cache size (in pairs): 1851, Positive cache size: 1810, Positive conditional cache size: 5, Positive unconditional cache size: 1805, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Eliminated conditions: 5162, Maximal queried relation: 1, Independence queries for same thread: 114 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.8s, Number of persistent set computation: 1567, Number of trivial persistent sets: 999, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1815, positive: 1786, positive conditional: 0, positive unconditional: 1786, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20034, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1131, negative conditional: 1102, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19920, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1017, negative conditional: 988, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19920, positive: 18903, positive conditional: 17117, positive unconditional: 1786, negative: 1017, negative conditional: 988, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 17090, positive unconditional: 1813, negative: 2005, negative conditional: 988, negative unconditional: 1017, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 11981, positive unconditional: 6922, negative: 2005, negative conditional: 935, negative unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20908, positive: 18903, positive conditional: 11981, positive unconditional: 6922, negative: 2005, negative conditional: 935, negative unconditional: 1070, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1851, positive: 1810, positive conditional: 5, positive unconditional: 1805, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1851, positive: 1801, positive conditional: 0, positive unconditional: 1801, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 9, positive conditional: 5, positive unconditional: 4, negative: 41, negative conditional: 9, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 892, positive: 79, positive conditional: 72, positive unconditional: 7, negative: 814, negative conditional: 234, negative unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20908, positive: 17093, positive conditional: 11976, positive unconditional: 5117, negative: 1964, negative conditional: 926, negative unconditional: 1038, unknown: 1851, unknown conditional: 14, unknown unconditional: 1837] , Statistics on independence cache: Total cache size (in pairs): 1851, Positive cache size: 1810, Positive conditional cache size: 5, Positive unconditional cache size: 1805, Negative cache size: 41, Negative conditional cache size: 9, Negative unconditional cache size: 32, Eliminated conditions: 5162, Maximal queried relation: 1, Independence queries for same thread: 114 - 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: 22926, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 895, negative conditional: 855, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22640, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 609, negative conditional: 569, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22640, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 609, negative conditional: 569, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 20087, positive unconditional: 1944, negative: 2998, negative conditional: 2389, negative unconditional: 609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 5653, positive unconditional: 16378, negative: 2998, negative conditional: 900, negative unconditional: 2098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 5653, positive unconditional: 16378, negative: 2998, negative conditional: 900, negative unconditional: 2098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1758, positive: 1673, positive conditional: 42, positive unconditional: 1631, negative: 85, negative conditional: 43, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1758, positive: 1625, positive conditional: 0, positive unconditional: 1625, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 48, positive conditional: 42, positive unconditional: 6, negative: 85, negative conditional: 43, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2585, positive: 802, positive conditional: 795, positive unconditional: 7, negative: 1783, negative conditional: 1010, negative unconditional: 773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25029, positive: 20358, positive conditional: 5611, positive unconditional: 14747, negative: 2913, negative conditional: 857, negative unconditional: 2056, unknown: 1758, unknown conditional: 85, unknown unconditional: 1673] , Statistics on independence cache: Total cache size (in pairs): 1758, Positive cache size: 1673, Positive conditional cache size: 42, Positive unconditional cache size: 1631, Negative cache size: 85, Negative conditional cache size: 43, Negative unconditional cache size: 42, Eliminated conditions: 15923, Maximal queried relation: 7, Independence queries for same thread: 286 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.9s, Number of persistent set computation: 1423, Number of trivial persistent sets: 487, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1671, positive: 1631, positive conditional: 0, positive unconditional: 1631, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 22926, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 895, negative conditional: 855, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22640, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 609, negative conditional: 569, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 22640, positive: 22031, positive conditional: 20400, positive unconditional: 1631, negative: 609, negative conditional: 569, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 20087, positive unconditional: 1944, negative: 2998, negative conditional: 2389, negative unconditional: 609, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 5653, positive unconditional: 16378, negative: 2998, negative conditional: 900, negative unconditional: 2098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25029, positive: 22031, positive conditional: 5653, positive unconditional: 16378, negative: 2998, negative conditional: 900, negative unconditional: 2098, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1758, positive: 1673, positive conditional: 42, positive unconditional: 1631, negative: 85, negative conditional: 43, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1758, positive: 1625, positive conditional: 0, positive unconditional: 1625, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 133, positive: 48, positive conditional: 42, positive unconditional: 6, negative: 85, negative conditional: 43, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2585, positive: 802, positive conditional: 795, positive unconditional: 7, negative: 1783, negative conditional: 1010, negative unconditional: 773, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25029, positive: 20358, positive conditional: 5611, positive unconditional: 14747, negative: 2913, negative conditional: 857, negative unconditional: 2056, unknown: 1758, unknown conditional: 85, unknown unconditional: 1673] , Statistics on independence cache: Total cache size (in pairs): 1758, Positive cache size: 1673, Positive conditional cache size: 42, Positive unconditional cache size: 1631, Negative cache size: 85, Negative conditional cache size: 43, Negative unconditional cache size: 42, Eliminated conditions: 15923, Maximal queried relation: 7, Independence queries for same thread: 286 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L711] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L712] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0] [L713] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L715] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L717] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L718] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L719] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L720] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L721] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L722] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L723] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L724] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L725] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L726] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L727] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L728] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L729] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L730] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L731] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L732] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L733] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L735] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L736] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L737] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L815] 0 pthread_t t2516; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2516={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t2516, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2516, ((void *)0), P0, ((void *)0))=-2, t2516={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L817] 0 pthread_t t2517; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2516={5:0}, t2517={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L818] FCALL, FORK 0 pthread_create(&t2517, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2517, ((void *)0), P1, ((void *)0))=-1, t2516={5:0}, t2517={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L819] 0 pthread_t t2518; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2516={5:0}, t2517={6:0}, t2518={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L820] FCALL, FORK 0 pthread_create(&t2518, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2518, ((void *)0), P2, ((void *)0))=0, t2516={5:0}, t2517={6:0}, t2518={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L782] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L782] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L790] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L753] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L758] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L761] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L764] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L773] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=2] [L793] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L793] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L794] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L795] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L796] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L797] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516={5:0}, t2517={6:0}, t2518={3:0}, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L824] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L824] RET 0 assume_abort_if_not(main$tmp_guard0) [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L826] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L826] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L827] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L828] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L829] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L829] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L830] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L833] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 0 y$flush_delayed = weak$$choice2 [L836] 0 y$mem_tmp = y [L837] EXPR 0 !y$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) [L837] 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) [L838] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L838] 0 y$w_buff0 = weak$$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)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L839] 0 y$w_buff1 = weak$$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)) [L840] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L840] 0 y$w_buff0_used = weak$$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)) [L841] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$w_buff1_used = weak$$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)) [L842] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L842] 0 y$r_buff0_thd0 = weak$$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)) [L843] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] 0 y$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L845] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L845] 0 y = y$flush_delayed ? y$mem_tmp : y [L846] 0 y$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2516={5:0}, t2517={6:0}, t2518={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$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, 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$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=2] - UnprovableResult [Line: 816]: 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: 820]: 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: 818]: 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: P2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 139 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 84, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 928 NumberOfCodeBlocks, 928 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 827 ConstructedInterpolants, 0 QuantifiedInterpolants, 3766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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! [2021-11-20 07:49:14,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:49:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:49:14,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d3319c8-325e-46fc-aa41-9277bb8a447c/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE