./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:10,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:10,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:10,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:10,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:10,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:10,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:10,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:10,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:10,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:10,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:10,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:10,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:10,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:10,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:10,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:10,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:10,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:10,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:10,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:10,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:10,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:10,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:10,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:10,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:10,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:10,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:10,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:10,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:10,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:10,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:10,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:10,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:10,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:10,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:10,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:10,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:10,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:10,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:10,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:10,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:10,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:19:10,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:19:10,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:19:10,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:19:10,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:19:10,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:19:10,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:19:10,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:19:10,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:19:10,479 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:19:10,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:19:10,479 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:19:10,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:19:10,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:19:10,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:19:10,481 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:19:10,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:19:10,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:19:10,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:19:10,481 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:19:10,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:19:10,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:10,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:19:10,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:19:10,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:19:10,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:19:10,483 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:19:10,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:19:10,483 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:19:10,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:19:10,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:19:10,484 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:19:10,484 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:19:10,484 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_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566e2cbe460cf96671c9cef5a53ce51910e23c462e96f394be80b957976729c5 [2021-11-23 14:19:10,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:19:10,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:19:10,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:19:10,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:19:10,774 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:19:10,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2021-11-23 14:19:10,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/data/e9df70caf/76dae8d131a940c09a3f47ab3c9661e0/FLAG0d16dc586 [2021-11-23 14:19:11,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:19:11,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2021-11-23 14:19:11,495 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/data/e9df70caf/76dae8d131a940c09a3f47ab3c9661e0/FLAG0d16dc586 [2021-11-23 14:19:11,724 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/data/e9df70caf/76dae8d131a940c09a3f47ab3c9661e0 [2021-11-23 14:19:11,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:19:11,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:19:11,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:11,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:19:11,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:19:11,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:11" (1/1) ... [2021-11-23 14:19:11,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dec517d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:11, skipping insertion in model container [2021-11-23 14:19:11,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:11" (1/1) ... [2021-11-23 14:19:11,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:19:11,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:12,384 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_7461c995-2259-40d2-8323-1373aa7c04bc/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2021-11-23 14:19:12,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:12,458 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:19:12,492 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_7461c995-2259-40d2-8323-1373aa7c04bc/sv-benchmarks/c/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2021-11-23 14:19:12,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:12,580 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:19:12,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12 WrapperNode [2021-11-23 14:19:12,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:12,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:12,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:19:12,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:19:12,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,644 INFO L137 Inliner]: procedures = 271, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 247 [2021-11-23 14:19:12,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:12,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:19:12,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:19:12,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:19:12,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:19:12,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:19:12,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:19:12,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:19:12,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (1/1) ... [2021-11-23 14:19:12,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:12,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:12,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:12,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:19:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:19:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 14:19:12,772 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 14:19:12,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:19:12,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:19:12,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:19:12,775 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 14:19:12,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:19:12,921 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:19:13,360 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:19:13,377 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:19:13,378 INFO L301 CfgBuilder]: Removed 35 assume(true) statements. [2021-11-23 14:19:13,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:13 BoogieIcfgContainer [2021-11-23 14:19:13,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:19:13,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:19:13,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:19:13,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:19:13,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:11" (1/3) ... [2021-11-23 14:19:13,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9964561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:13, skipping insertion in model container [2021-11-23 14:19:13,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:12" (2/3) ... [2021-11-23 14:19:13,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9964561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:13, skipping insertion in model container [2021-11-23 14:19:13,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:13" (3/3) ... [2021-11-23 14:19:13,397 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2021-11-23 14:19:13,403 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:19:13,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:19:13,403 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 14:19:13,404 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:19:13,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,450 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,451 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,452 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,453 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,454 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,457 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,458 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,459 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,460 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,461 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,462 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,463 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,464 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,465 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,466 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,467 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,468 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,474 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,475 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet39#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem37#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem40#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,483 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post41#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~mem34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:13,489 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-23 14:19:13,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:19:13,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:13,545 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:13,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:19:13,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-23 14:19:13,596 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 14:19:13,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:19:14,184 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:14,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:14,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1148308584, now seen corresponding path program 1 times [2021-11-23 14:19:14,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:14,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35538018] [2021-11-23 14:19:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:14,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:19:14,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:14,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35538018] [2021-11-23 14:19:14,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35538018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:14,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:14,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:19:14,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875082573] [2021-11-23 14:19:14,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:14,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:19:14,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:14,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:19:14,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:19:14,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,569 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:14,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:14,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:19:14,632 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:14,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:14,633 INFO L85 PathProgramCache]: Analyzing trace with hash -630316666, now seen corresponding path program 1 times [2021-11-23 14:19:14,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:14,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907252952] [2021-11-23 14:19:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:14,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:19:14,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:14,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907252952] [2021-11-23 14:19:14,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907252952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:14,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:14,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:14,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215327173] [2021-11-23 14:19:14,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:14,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:14,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:14,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:14,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:14,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,809 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:14,809 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:14,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:14,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:19:14,871 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:14,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:14,872 INFO L85 PathProgramCache]: Analyzing trace with hash -171471866, now seen corresponding path program 1 times [2021-11-23 14:19:14,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:14,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624383924] [2021-11-23 14:19:14,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:14,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 14:19:14,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:14,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624383924] [2021-11-23 14:19:14,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624383924] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:14,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356365946] [2021-11-23 14:19:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:14,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:14,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:14,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:15,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:19:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:15,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:19:15,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 14:19:15,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:19:15,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356365946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:15,473 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:19:15,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 14:19:15,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055427562] [2021-11-23 14:19:15,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:15,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:15,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:15,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:15,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:19:15,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,479 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:15,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:15,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:15,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:15,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:15,918 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1405067152, now seen corresponding path program 1 times [2021-11-23 14:19:15,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:15,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285318472] [2021-11-23 14:19:15,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:15,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:16,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:16,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285318472] [2021-11-23 14:19:16,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285318472] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:16,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238217643] [2021-11-23 14:19:16,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:16,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:16,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:16,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:16,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:19:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:16,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 14:19:16,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-23 14:19:16,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:19:16,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238217643] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:16,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:19:16,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-11-23 14:19:16,640 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954129832] [2021-11-23 14:19:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:16,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:16,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:16,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:16,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 14:19:16,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,642 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:16,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:16,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:16,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:16,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:16,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:16,920 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:16,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:16,920 INFO L85 PathProgramCache]: Analyzing trace with hash -67011392, now seen corresponding path program 1 times [2021-11-23 14:19:16,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:16,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225492256] [2021-11-23 14:19:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:16,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:16,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:16,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225492256] [2021-11-23 14:19:16,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225492256] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:16,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341065151] [2021-11-23 14:19:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:16,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:16,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:16,994 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:19:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:17,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 14:19:17,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:17,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:18,093 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:18,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341065151] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:18,098 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:18,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-11-23 14:19:18,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546048509] [2021-11-23 14:19:18,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:18,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-23 14:19:18,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:18,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-23 14:19:18,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-11-23 14:19:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,103 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:18,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.3) internal successors, (173), 10 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:18,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:18,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:18,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:18,416 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:18,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:18,416 INFO L85 PathProgramCache]: Analyzing trace with hash 196086976, now seen corresponding path program 2 times [2021-11-23 14:19:18,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:18,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129220160] [2021-11-23 14:19:18,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:18,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-23 14:19:18,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129220160] [2021-11-23 14:19:18,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129220160] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846166301] [2021-11-23 14:19:18,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:18,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:18,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:18,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-23 14:19:18,665 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:18,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:18,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 14:19:18,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:19,149 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:19,150 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:19,727 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-23 14:19:19,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846166301] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:19,727 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:19,728 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2021-11-23 14:19:19,728 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942657620] [2021-11-23 14:19:19,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:19,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-23 14:19:19,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:19,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-23 14:19:19,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-23 14:19:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:19,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.526315789473685) internal successors, (219), 19 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:19,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:20,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:19:20,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:20,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:20,234 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:20,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:20,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1712114066, now seen corresponding path program 1 times [2021-11-23 14:19:20,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:20,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383886302] [2021-11-23 14:19:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:20,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:19:20,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:20,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383886302] [2021-11-23 14:19:20,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383886302] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:20,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044873719] [2021-11-23 14:19:20,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:20,418 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:20,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:20,419 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:20,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:19:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:20,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 14:19:20,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:19:20,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:20,937 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:19:20,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044873719] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:20,939 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:20,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2021-11-23 14:19:20,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889635802] [2021-11-23 14:19:20,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:20,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-23 14:19:20,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-23 14:19:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-11-23 14:19:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:20,941 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:20,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.869565217391305) internal successors, (112), 23 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:19:20,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:19:21,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:19:21,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:21,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-11-23 14:19:21,489 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:21,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:21,489 INFO L85 PathProgramCache]: Analyzing trace with hash 848425198, now seen corresponding path program 2 times [2021-11-23 14:19:21,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:21,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429061919] [2021-11-23 14:19:21,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:21,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:21,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:19:22,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:22,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429061919] [2021-11-23 14:19:22,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429061919] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:22,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426806178] [2021-11-23 14:19:22,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:22,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:22,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:22,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:22,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 14:19:22,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:22,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:22,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 14:19:22,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:22,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:19:22,765 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:19:22,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:19:22,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:19:22,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:19:23,020 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:19:23,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:19:23,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:19:23,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2021-11-23 14:19:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:19:23,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:28,174 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:19:29,144 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:19:29,871 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:19:31,964 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_#t~pre44#1| Int) (|v_ULTIMATE.start_main_#t~pre44#1_16| Int) (|t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_15| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int)) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_15| 4)) |v_ULTIMATE.start_main_#t~pre44#1_16|)) |c_~#cache~0.base|) |t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|) 0)) is different from false [2021-11-23 14:19:33,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 87 [2021-11-23 14:19:33,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 136 treesize of output 134 [2021-11-23 14:19:35,151 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:19:35,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:19:35,174 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 5 not checked. [2021-11-23 14:19:35,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [426806178] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:35,174 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:35,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 31 [2021-11-23 14:19:35,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490466663] [2021-11-23 14:19:35,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:35,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-23 14:19:35,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:35,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-23 14:19:35,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=610, Unknown=7, NotChecked=212, Total=930 [2021-11-23 14:19:35,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:35,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:35,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.645161290322581) internal successors, (175), 31 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:19:35,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:19:35,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:07,688 WARN L227 SmtUtils]: Spent 32.40s on a formula simplification. DAG size of input: 40 DAG size of output: 37 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:20:13,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:20:13,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:20:13,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:13,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:13,328 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:20:13,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:13,329 INFO L85 PathProgramCache]: Analyzing trace with hash 489511099, now seen corresponding path program 1 times [2021-11-23 14:20:13,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:13,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042662304] [2021-11-23 14:20:13,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:20:16,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:16,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042662304] [2021-11-23 14:20:16,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042662304] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:16,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293556203] [2021-11-23 14:20:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:16,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:16,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:16,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:20:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:16,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 14:20:16,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:16,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:20:16,988 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:20:16,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:20:17,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:20:17,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:20:17,375 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:20:17,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:20:17,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:20:17,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-11-23 14:20:18,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2021-11-23 14:20:44,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2021-11-23 14:20:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:20:45,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:54,955 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0))) is different from false [2021-11-23 14:20:57,238 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (= 0 (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28)))))) is different from false [2021-11-23 14:20:59,352 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47|))) is different from false [2021-11-23 14:21:01,569 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|~#cache~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 3)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)) |c_~#cache~0.base|) (+ (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 28) |~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 0))) is different from false [2021-11-23 14:21:04,553 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|v_ULTIMATE.start_main_#t~pre44#1_21| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| Int) (|~#cache~0.offset| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|ULTIMATE.start_main_~#t_ids~0#1.offset| Int) (|v_ULTIMATE.start_main_~i~3#1_19| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 3)) (= (select (store (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|) (+ |ULTIMATE.start_main_~#t_ids~0#1.offset| (* |v_ULTIMATE.start_main_~i~3#1_19| 4)) |v_ULTIMATE.start_main_#t~pre44#1_21|)) |c_~#cache~0.base|) (+ (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 28) |~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_47_113| 0))) is different from false [2021-11-23 14:21:13,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 182 treesize of output 180 [2021-11-23 14:21:13,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 760 treesize of output 740 [2021-11-23 14:21:15,655 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-23 14:21:15,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2021-11-23 14:21:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 14 not checked. [2021-11-23 14:21:15,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293556203] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:15,682 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:15,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 18] total 48 [2021-11-23 14:21:15,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450007616] [2021-11-23 14:21:15,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:15,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2021-11-23 14:21:15,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:15,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-11-23 14:21:15,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=1591, Unknown=27, NotChecked=430, Total=2256 [2021-11-23 14:21:15,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,686 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:15,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.583333333333333) internal successors, (268), 48 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:21:15,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:21:15,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:14,957 WARN L227 SmtUtils]: Spent 30.13s on a formula simplification. DAG size of input: 75 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:22:46,872 WARN L227 SmtUtils]: Spent 30.16s on a formula simplification. DAG size of input: 79 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:23:23,158 WARN L227 SmtUtils]: Spent 36.19s on a formula simplification. DAG size of input: 89 DAG size of output: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:23:57,369 WARN L227 SmtUtils]: Spent 34.13s on a formula simplification. DAG size of input: 67 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:24:39,666 WARN L227 SmtUtils]: Spent 34.20s on a formula simplification. DAG size of input: 84 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:22,029 WARN L227 SmtUtils]: Spent 32.91s on a formula simplification. DAG size of input: 92 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:32,355 WARN L227 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 89 DAG size of output: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 14:25:34,295 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 0)) (.cse0 ((as const (Array Int Int)) 0))) (let ((.cse3 (@diff .cse4 .cse0))) (let ((.cse1 (store .cse4 .cse3 0))) (let ((.cse2 (@diff .cse1 .cse0))) (and (= .cse0 (store .cse1 .cse2 0)) (<= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of1ForFork0_~i~0#1|))) (= |c_~#cache~0.base| 4) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0))) (or (<= .cse3 4) (= .cse0 .cse4)) (= |c_~#cache~0.offset| 0) (= (select |c_#valid| 4) 1) (= |c_t_funThread1of1ForFork0_~i~0#1| 0) (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| Int)) (= (store ((as const (Array Int Int)) 0) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| 1)) (select |c_#memory_int| |c_~#cache~0.base|))) (or (<= .cse2 4) (= .cse0 .cse1))))))) is different from false [2021-11-23 14:25:35,793 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| 0)) (.cse0 ((as const (Array Int Int)) 0))) (let ((.cse3 (@diff .cse4 .cse0))) (let ((.cse1 (store .cse4 .cse3 0))) (let ((.cse2 (@diff .cse1 .cse0))) (and (= .cse0 (store .cse1 .cse2 0)) (<= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of1ForFork0_~i~0#1|))) (= |c_~#cache~0.base| 4) (= |c_~#cache~0.base| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0))) (or (<= .cse3 4) (= .cse0 .cse4)) (= |c_~#cache~0.offset| 0) (= |c_t_funThread1of1ForFork0_~i~0#1| 0) (exists ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| Int)) (= (store ((as const (Array Int Int)) 0) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ |t_funThread1of1ForFork0_cache_entry_addref_#t~post35#1| 1)) (select |c_#memory_int| |c_~#cache~0.base|))) (or (<= .cse2 4) (= .cse0 .cse1))))))) is different from false [2021-11-23 14:26:21,844 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((|aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_~#cache~0.offset_105| Int) (|aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| Int) (|aux_div_~#cache~0.offset_105| Int)) (and (< |aux_mod_~#cache~0.offset_105| 28) (<= (+ |aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| 1) |aux_div_~#cache~0.offset_105|) (< |aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| 28) (<= 0 |aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106|) (<= 0 |aux_mod_~#cache~0.offset_105|) (= (select |c_#memory_int| 4) (store ((as const (Array Int Int)) 0) (+ (* |aux_mod_~#cache~0.offset_105| (- 1)) (* |aux_mod_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| (- 1)) |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| (* |aux_div_~#cache~0.offset_105| (- 28)) (* |aux_div_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_106| 28)) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) (<= |t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))) (= |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| 4) (let ((.cse1 ((as const (Array Int Int)) 0)) (.cse8 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|))) (or (let ((.cse0 (@diff .cse8 .cse1))) (let ((.cse7 (store .cse8 .cse0 0))) (let ((.cse6 (@diff .cse7 .cse1))) (let ((.cse4 (store .cse7 .cse6 0))) (let ((.cse5 (@diff .cse4 .cse1))) (let ((.cse2 (store .cse4 .cse5 0))) (let ((.cse3 (@diff .cse2 .cse1))) (and (<= (+ .cse0 24) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|) (or (= .cse1 .cse2) (<= (+ .cse3 24) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (= .cse1 (store .cse2 .cse3 0)) (or (= .cse1 .cse4) (<= (+ .cse5 24) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|)) (or (<= (+ .cse6 24) |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset|) (= .cse1 .cse7)))))))))) (= .cse1 .cse8))) (forall ((|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 0) (= (select (select |c_#memory_int| |c_~#cache~0.base|) (+ (- 1) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| (- 1)) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_45_117| 28))) 0)))) is different from false [2021-11-23 14:26:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:26:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:21,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:26:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-23 14:26:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-23 14:26:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:26:21,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 14:26:21,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:26:22,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:26:22,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:26:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:26:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1506123272, now seen corresponding path program 2 times [2021-11-23 14:26:22,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:26:22,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295462241] [2021-11-23 14:26:22,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:26:22,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:26:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:26:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:26:30,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:26:30,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295462241] [2021-11-23 14:26:30,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295462241] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:26:30,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10932173] [2021-11-23 14:26:30,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:26:30,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:26:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:26:30,723 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:26:30,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7461c995-2259-40d2-8323-1373aa7c04bc/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-23 14:26:30,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:26:30,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:26:30,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 14:26:30,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:26:30,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-11-23 14:26:31,387 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:26:31,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-23 14:26:31,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2021-11-23 14:26:31,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-23 14:26:31,755 INFO L354 Elim1Store]: treesize reduction 30, result has 14.3 percent of original size [2021-11-23 14:26:31,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 26 [2021-11-23 14:26:31,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:26:31,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-11-23 14:26:32,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2021-11-23 14:27:17,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 38 [2021-11-23 14:27:29,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:27:29,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2021-11-23 14:29:03,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2021-11-23 14:29:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 4 proven. 32 refuted. 23 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-23 14:29:03,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:29:14,952 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:29:17,676 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52|) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:29:19,796 WARN L838 $PredicateComparison]: unable to prove that (forall ((|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 2)) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (< (+ |c_~#cache~0.offset| (* 28 |c_t_funThread1of1ForFork0_~i~0#1|)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52|))) is different from false [2021-11-23 14:29:22,055 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ 3 |c_t_funThread1of1ForFork0_#t~post41#1|)) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:29:24,131 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|) (= (select (store (select |c_#memory_int| |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0))) is different from false [2021-11-23 14:29:24,718 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:29:26,051 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (= (select (store (select (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false [2021-11-23 14:29:29,745 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (= (select (store (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false [2021-11-23 14:29:32,385 WARN L838 $PredicateComparison]: unable to prove that (forall ((|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int) (|t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| Int) (|ULTIMATE.start_main_#t~pre44#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48| Int) (|aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| Int) (|ULTIMATE.start_main_~i~3#1| Int) (|aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| Int)) (or (< |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.offset| |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54|) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |c_t_funThread1of1ForFork0_~i~0#1| 3)) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117|) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 0) (= (select (store (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base|) (+ |c_ULTIMATE.start_main_~#t_ids~0#1.offset| (* |ULTIMATE.start_main_~i~3#1| 4)) |ULTIMATE.start_main_#t~pre44#1|)))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_#in~entry#1.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_54| (+ (- 1) |t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1|)))) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 28) 1) (+ (- 1) |v_t_funThread1of1ForFork0_cache_entry_addref_#t~post38#1_48|)) (+ (- 1) |c_~#cache~0.offset| (* |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| 28) (* |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (- 1)))) 0) (< |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_50_117| (+ |aux_div_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 3)) (< |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113| 0) (<= 28 |aux_mod_v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_52_113|))) is different from false