./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/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 22ccde2ce516925ebfe813d783d47f1167b5115e5910734aa9e1bf526ce8c733 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:19:21,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:19:21,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:19:21,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:19:21,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:19:21,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:19:21,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:19:21,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:19:21,588 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:19:21,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:19:21,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:19:21,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:19:21,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:19:21,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:19:21,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:19:21,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:19:21,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:19:21,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:19:21,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:19:21,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:19:21,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:19:21,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:19:21,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:19:21,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:19:21,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:19:21,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:19:21,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:19:21,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:19:21,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:19:21,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:19:21,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:19:21,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:19:21,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:19:21,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:19:21,657 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:19:21,657 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:19:21,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:19:21,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:19:21,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:19:21,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:19:21,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:19:21,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-23 14:19:21,722 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:19:21,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:19:21,723 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:19:21,724 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:19:21,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 14:19:21,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 14:19:21,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:19:21,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:19:21,735 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:19:21,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:19:21,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:19:21,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:19:21,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:19:21,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:19:21,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:19:21,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:19:21,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:19:21,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:19:21,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:19:21,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:19:21,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:19:21,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:19:21,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:19:21,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-23 14:19:21,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:19:21,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:21,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:19:21,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:19:21,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:19:21,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:19:21,744 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-23 14:19:21,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:19:21,745 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:19:21,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-23 14:19:21,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:19:21,746 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-23 14:19:21,746 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-23 14:19:21,747 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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22ccde2ce516925ebfe813d783d47f1167b5115e5910734aa9e1bf526ce8c733 [2021-11-23 14:19:22,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:19:22,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:19:22,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:19:22,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:19:22,108 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:19:22,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/../../sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2021-11-23 14:19:22,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/data/75a7d95c3/06bcc9ef8e844d838b36e4bf69b29985/FLAG32a8e2080 [2021-11-23 14:19:22,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:19:22,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2021-11-23 14:19:22,900 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/data/75a7d95c3/06bcc9ef8e844d838b36e4bf69b29985/FLAG32a8e2080 [2021-11-23 14:19:23,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/data/75a7d95c3/06bcc9ef8e844d838b36e4bf69b29985 [2021-11-23 14:19:23,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:19:23,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:19:23,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:23,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:19:23,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:19:23,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3109718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23, skipping insertion in model container [2021-11-23 14:19:23,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:19:23,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:19:23,617 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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i[30336,30349] [2021-11-23 14:19:23,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:23,644 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:19:23,724 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_caf2ede9-7587-457a-97ba-0a8ec22b22d6/sv-benchmarks/c/pthread-ext/47_ticket_lock_hc_backoff_vs.i[30336,30349] [2021-11-23 14:19:23,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:19:23,779 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:19:23,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23 WrapperNode [2021-11-23 14:19:23,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:19:23,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:23,782 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:19:23,782 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:19:23,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,873 INFO L137 Inliner]: procedures = 169, calls = 18, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-11-23 14:19:23,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:19:23,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:19:23,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:19:23,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:19:23,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:19:23,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:19:23,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:19:23,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:19:23,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (1/1) ... [2021-11-23 14:19:23,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:19:23,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:23,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:24,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:19:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 14:19:24,064 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 14:19:24,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 14:19:24,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 14:19:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:19:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 14:19:24,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 14:19:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:19:24,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:19:24,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:19:24,070 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 14:19:24,294 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:19:24,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:19:24,614 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:19:24,668 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:19:24,668 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 14:19:24,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:24 BoogieIcfgContainer [2021-11-23 14:19:24,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:19:24,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:19:24,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:19:24,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:19:24,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:19:23" (1/3) ... [2021-11-23 14:19:24,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d327955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:24, skipping insertion in model container [2021-11-23 14:19:24,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:19:23" (2/3) ... [2021-11-23 14:19:24,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d327955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:19:24, skipping insertion in model container [2021-11-23 14:19:24,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:19:24" (3/3) ... [2021-11-23 14:19:24,691 INFO L111 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2021-11-23 14:19:24,701 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 14:19:24,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:19:24,703 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-23 14:19:24,703 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 14:19:24,744 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,748 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,748 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,749 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,750 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,751 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,751 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,751 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,752 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,752 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,752 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,752 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,753 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,753 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,753 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,753 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,753 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,754 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,754 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,754 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,754 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,755 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,755 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,755 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,755 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,755 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,756 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,756 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,756 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,757 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,779 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,780 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,780 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,780 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,781 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,782 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,783 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,783 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,784 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,785 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,785 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,786 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,786 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,787 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,787 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,787 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,787 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,796 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,797 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,797 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,797 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,797 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,797 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,798 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,798 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,798 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,798 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,799 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:19:24,814 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 14:19:24,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:19:24,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:24,901 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:19:24,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-23 14:19:24,956 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-11-23 14:19:24,964 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 14:19:24,965 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 14:19:25,194 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:25,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:25,201 INFO L85 PathProgramCache]: Analyzing trace with hash 801900849, now seen corresponding path program 1 times [2021-11-23 14:19:25,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:25,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721079654] [2021-11-23 14:19:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:25,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:25,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 14:19:25,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:25,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721079654] [2021-11-23 14:19:25,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721079654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:25,491 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:25,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:19:25,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474635750] [2021-11-23 14:19:25,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:25,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:19:25,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:19:25,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:19:25,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:25,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:25,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 14:19:25,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:25,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:19:25,591 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash 147102531, now seen corresponding path program 1 times [2021-11-23 14:19:25,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:25,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683181614] [2021-11-23 14:19:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:25,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:25,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 14:19:25,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:25,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683181614] [2021-11-23 14:19:25,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683181614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:25,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:25,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:25,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219181059] [2021-11-23 14:19:25,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:25,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:25,792 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:25,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:25,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:25,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:25,793 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:25,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 14:19:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:25,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:26,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:26,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:19:26,261 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:26,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:26,262 INFO L85 PathProgramCache]: Analyzing trace with hash 386025958, now seen corresponding path program 1 times [2021-11-23 14:19:26,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:26,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348963578] [2021-11-23 14:19:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:26,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 15 proven. 68 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 14:19:27,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:27,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348963578] [2021-11-23 14:19:27,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348963578] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:27,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759387303] [2021-11-23 14:19:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:27,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:27,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:27,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:27,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:19:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:27,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 14:19:27,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:28,014 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 13 treesize of output 9 [2021-11-23 14:19:28,679 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 14:19:28,680 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 1 case distinctions, treesize of input 36 treesize of output 31 [2021-11-23 14:19:28,780 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 15 treesize of output 7 [2021-11-23 14:19:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 15 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:19:28,862 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 60 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 14:19:29,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759387303] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:29,444 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:29,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 7] total 31 [2021-11-23 14:19:29,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038763491] [2021-11-23 14:19:29,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:29,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-23 14:19:29,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:29,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-23 14:19:29,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=850, Unknown=0, NotChecked=0, Total=930 [2021-11-23 14:19:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:29,450 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:29,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.483870967741936) internal successors, (294), 31 states have internal predecessors, (294), 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 14:19:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:29,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:29,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:31,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:31,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-23 14:19:31,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:19:31,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:31,596 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:31,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:31,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1939402764, now seen corresponding path program 2 times [2021-11-23 14:19:31,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:31,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667274640] [2021-11-23 14:19:31,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:31,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 105 proven. 210 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 14:19:32,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:32,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667274640] [2021-11-23 14:19:32,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667274640] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:32,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161099275] [2021-11-23 14:19:32,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:32,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:32,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:32,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:32,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 14:19:32,868 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:32,868 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:32,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 75 conjunts are in the unsatisfiable core [2021-11-23 14:19:32,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:35,722 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 18 treesize of output 14 [2021-11-23 14:19:35,812 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 22 treesize of output 10 [2021-11-23 14:19:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 136 proven. 292 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 14:19:35,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 136 proven. 135 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2021-11-23 14:19:38,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161099275] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:38,132 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:38,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 35, 12] total 57 [2021-11-23 14:19:38,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885485329] [2021-11-23 14:19:38,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:38,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2021-11-23 14:19:38,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:38,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-11-23 14:19:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=2956, Unknown=0, NotChecked=0, Total=3192 [2021-11-23 14:19:38,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:38,142 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:38,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.473684210526316) internal successors, (369), 57 states have internal predecessors, (369), 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 14:19:38,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:38,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:38,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-11-23 14:19:38,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:44,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-23 14:19:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-11-23 14:19:44,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-23 14:19:45,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:45,101 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:45,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:45,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2074063915, now seen corresponding path program 1 times [2021-11-23 14:19:45,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:45,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017018815] [2021-11-23 14:19:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:45,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 992 proven. 0 refuted. 0 times theorem prover too weak. 1555 trivial. 0 not checked. [2021-11-23 14:19:45,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:45,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017018815] [2021-11-23 14:19:45,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017018815] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:19:45,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:19:45,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:19:45,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537021221] [2021-11-23 14:19:45,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:19:45,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:19:45,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:45,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:19:45,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:19:45,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:45,505 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:45,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 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 14:19:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:45,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-23 14:19:45,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-11-23 14:19:45,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-23 14:19:45,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-11-23 14:19:45,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:45,625 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:19:45,625 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:19:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:19:45,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1111987293, now seen corresponding path program 2 times [2021-11-23 14:19:45,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:19:45,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553380817] [2021-11-23 14:19:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:19:45,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:19:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:19:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 1361 proven. 320 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2021-11-23 14:19:46,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:19:46,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553380817] [2021-11-23 14:19:46,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553380817] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:19:46,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442854586] [2021-11-23 14:19:46,961 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:19:46,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:19:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:19:46,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:19:46,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 14:19:47,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:19:47,538 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:19:47,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-23 14:19:47,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:19:51,749 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 18 treesize of output 14 [2021-11-23 14:19:52,063 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 22 treesize of output 10 [2021-11-23 14:19:52,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 1227 proven. 1068 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2021-11-23 14:19:52,384 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:19:55,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2547 backedges. 1227 proven. 668 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2021-11-23 14:19:55,527 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442854586] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:19:55,527 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:19:55,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 56, 16] total 79 [2021-11-23 14:19:55,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782063749] [2021-11-23 14:19:55,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:19:55,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2021-11-23 14:19:55,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:19:55,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-11-23 14:19:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=5771, Unknown=0, NotChecked=0, Total=6162 [2021-11-23 14:19:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:55,537 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:19:55,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.822784810126582) internal successors, (539), 79 states have internal predecessors, (539), 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 14:19:55,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:19:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-11-23 14:19:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2021-11-23 14:19:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:19:55,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2021-11-23 14:20:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2021-11-23 14:20:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:51,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 318 states. [2021-11-23 14:20:51,716 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 14:20:51,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-23 14:20:51,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-23 14:20:51,927 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2021-11-23 14:20:51,928 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2021-11-23 14:20:51,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:20:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:51,932 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:20:51,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2021-11-23 14:20:51,941 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:20:51,942 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 14:20:51,942 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 14:20:51,946 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:20:51,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:51,946 INFO L85 PathProgramCache]: Analyzing trace with hash 253472294, now seen corresponding path program 1 times [2021-11-23 14:20:51,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:51,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888189050] [2021-11-23 14:20:51,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:51,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:51,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:51,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888189050] [2021-11-23 14:20:51,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888189050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:51,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:51,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:20:51,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720149651] [2021-11-23 14:20:51,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:51,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:20:51,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:51,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:20:51,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:20:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,965 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:51,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 14:20:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:51,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 14:20:51,970 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:20:51,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash 686024596, now seen corresponding path program 1 times [2021-11-23 14:20:51,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:51,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392429876] [2021-11-23 14:20:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:51,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:52,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:52,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392429876] [2021-11-23 14:20:52,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392429876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:52,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:52,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:52,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602776751] [2021-11-23 14:20:52,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:52,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:52,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:52,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:52,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:52,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,019 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:52,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 14:20:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:52,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:20:52,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:20:52,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:52,248 INFO L85 PathProgramCache]: Analyzing trace with hash -367385274, now seen corresponding path program 1 times [2021-11-23 14:20:52,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:52,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709986761] [2021-11-23 14:20:52,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:52,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 14:20:52,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:52,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709986761] [2021-11-23 14:20:52,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709986761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:20:52,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:20:52,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:20:52,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809114630] [2021-11-23 14:20:52,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:20:52,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:20:52,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:52,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:20:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:20:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,316 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:52,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:20:52,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:52,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:52,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 14:20:52,356 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:20:52,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:52,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1313439504, now seen corresponding path program 2 times [2021-11-23 14:20:52,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:52,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227574975] [2021-11-23 14:20:52,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:52,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 93 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:20:52,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:52,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227574975] [2021-11-23 14:20:52,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227574975] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:52,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007657108] [2021-11-23 14:20:52,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:20:52,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:52,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:52,663 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:52,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-23 14:20:52,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:20:52,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:20:52,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 14:20:52,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:53,977 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 11 treesize of output 7 [2021-11-23 14:20:54,041 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 15 treesize of output 7 [2021-11-23 14:20:54,122 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:20:54,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:20:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:20:55,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007657108] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:20:55,149 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:20:55,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20, 11] total 38 [2021-11-23 14:20:55,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168257391] [2021-11-23 14:20:55,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:20:55,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-23 14:20:55,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:20:55,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-23 14:20:55,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1260, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 14:20:55,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:55,153 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:20:55,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.31578947368421) internal successors, (316), 38 states have internal predecessors, (316), 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 14:20:55,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:55,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:55,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:55,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:57,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:20:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:20:57,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:20:57,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:20:57,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 14:20:57,825 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:20:57,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:20:57,825 INFO L85 PathProgramCache]: Analyzing trace with hash -2117118699, now seen corresponding path program 1 times [2021-11-23 14:20:57,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:20:57,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61752031] [2021-11-23 14:20:57,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:57,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:20:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 376 proven. 230 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-23 14:20:58,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:20:58,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61752031] [2021-11-23 14:20:58,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61752031] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:20:58,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594578616] [2021-11-23 14:20:58,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:20:58,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:20:58,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:20:58,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:20:58,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-23 14:20:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:20:58,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 14:20:58,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:20:59,298 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 11 treesize of output 7 [2021-11-23 14:20:59,827 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 14:20:59,828 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 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-23 14:20:59,913 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 15 treesize of output 7 [2021-11-23 14:21:00,064 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 376 proven. 334 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 14:21:00,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:00,665 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 489 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-11-23 14:21:00,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594578616] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:00,666 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:00,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 7] total 37 [2021-11-23 14:21:00,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294362613] [2021-11-23 14:21:00,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:00,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-23 14:21:00,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:00,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-23 14:21:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 14:21:00,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:00,670 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:00,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.18918918918919) internal successors, (414), 37 states have internal predecessors, (414), 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 14:21:00,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:00,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:00,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:00,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:21:00,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-23 14:21:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-11-23 14:21:07,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-23 14:21:07,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 14:21:07,250 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:07,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:07,251 INFO L85 PathProgramCache]: Analyzing trace with hash -562621123, now seen corresponding path program 1 times [2021-11-23 14:21:07,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:07,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903353767] [2021-11-23 14:21:07,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:07,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 3738 proven. 515 refuted. 0 times theorem prover too weak. 3247 trivial. 0 not checked. [2021-11-23 14:21:08,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903353767] [2021-11-23 14:21:08,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903353767] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:08,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005113046] [2021-11-23 14:21:08,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:08,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:08,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:08,996 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:09,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-23 14:21:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:09,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 14:21:09,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:10,507 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 6 treesize of output 5 [2021-11-23 14:21:10,539 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 11 treesize of output 7 [2021-11-23 14:21:10,559 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:21:10,560 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 14:21:10,633 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:21:10,634 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 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:21:10,784 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 20 treesize of output 12 [2021-11-23 14:21:10,956 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 2475 proven. 3 refuted. 0 times theorem prover too weak. 5022 trivial. 0 not checked. [2021-11-23 14:21:10,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:21:26,938 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_59| Int) (~t~0 Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_59| ~t~0)) |c_thr1Thread1of1ForFork0_~#l~0#1.base|) |c_thr1Thread1of1ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select |c_#memory_int| |c_thr1Thread1of1ForFork0_~#l~0#1.base|) |c_thr1Thread1of1ForFork0_~#l~0#1.offset|) 4294967296))) is different from false [2021-11-23 14:21:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 2475 proven. 1 refuted. 0 times theorem prover too weak. 5022 trivial. 2 not checked. [2021-11-23 14:21:29,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005113046] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:21:29,759 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:21:29,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 9] total 27 [2021-11-23 14:21:29,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589789750] [2021-11-23 14:21:29,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:21:29,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-23 14:21:29,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:29,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-23 14:21:29,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=577, Unknown=11, NotChecked=48, Total=702 [2021-11-23 14:21:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:29,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:29,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.185185185185185) internal successors, (248), 27 states have internal predecessors, (248), 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 14:21:29,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:29,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-23 14:21:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2021-11-23 14:21:29,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2021-11-23 14:21:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 359 states. [2021-11-23 14:21:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2021-11-23 14:21:57,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-23 14:21:57,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 14:21:57,463 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:57,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:57,464 INFO L85 PathProgramCache]: Analyzing trace with hash -125705515, now seen corresponding path program 1 times [2021-11-23 14:21:57,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:57,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875501411] [2021-11-23 14:21:57,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:57,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:21:57,492 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:21:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:21:57,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:21:57,529 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 14:21:57,529 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 2 remaining) [2021-11-23 14:21:57,529 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2021-11-23 14:21:57,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 14:21:57,533 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-11-23 14:21:57,533 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (2/2) [2021-11-23 14:21:57,534 WARN L234 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-11-23 14:21:57,534 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-11-23 14:21:57,553 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,561 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,562 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,566 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,567 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,568 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,569 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,570 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,571 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,572 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,573 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,574 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,575 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,576 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,577 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,578 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,579 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,580 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,582 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,583 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,584 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,585 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:21:57,586 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 14:21:57,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-23 14:21:57,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:57,593 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-23 14:21:57,598 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-23 14:21:57,599 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 14:21:57,599 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-23 14:21:57,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:57,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:57,608 INFO L85 PathProgramCache]: Analyzing trace with hash -557993436, now seen corresponding path program 1 times [2021-11-23 14:21:57,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:57,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431522394] [2021-11-23 14:21:57,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:57,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:57,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2021-11-23 14:21:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:57,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:57,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431522394] [2021-11-23 14:21:57,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431522394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:57,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:21:57,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:21:57,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580439653] [2021-11-23 14:21:57,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:57,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:21:57,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:57,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:21:57,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:21:57,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,627 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:57,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 14:21:57,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-23 14:21:57,631 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:57,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:57,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1515883692, now seen corresponding path program 1 times [2021-11-23 14:21:57,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:57,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110154497] [2021-11-23 14:21:57,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:57,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:57,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:57,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110154497] [2021-11-23 14:21:57,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110154497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:57,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:21:57,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:21:57,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464871256] [2021-11-23 14:21:57,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:57,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:21:57,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:57,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:21:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:21:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,665 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:57,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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 14:21:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:57,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-23 14:21:57,912 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1385378042, now seen corresponding path program 1 times [2021-11-23 14:21:57,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:57,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645096901] [2021-11-23 14:21:57,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:57,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-23 14:21:57,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:57,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645096901] [2021-11-23 14:21:57,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645096901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:21:57,966 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:21:57,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:21:57,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240926660] [2021-11-23 14:21:57,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:21:57,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:21:57,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:21:57,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:21:57,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:21:57,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,971 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:21:57,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:21:57,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:57,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:57,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:21:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:21:58,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-23 14:21:58,003 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:21:58,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:21:58,004 INFO L85 PathProgramCache]: Analyzing trace with hash -638515536, now seen corresponding path program 2 times [2021-11-23 14:21:58,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:21:58,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303182731] [2021-11-23 14:21:58,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:21:58,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:21:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:21:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 93 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 14:21:58,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:21:58,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303182731] [2021-11-23 14:21:58,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303182731] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:21:58,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971353751] [2021-11-23 14:21:58,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:21:58,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:21:58,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:21:58,309 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:21:58,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-23 14:21:58,468 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:21:58,468 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:21:58,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 14:21:58,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:21:59,343 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 11 treesize of output 7 [2021-11-23 14:21:59,408 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 15 treesize of output 7 [2021-11-23 14:21:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:21:59,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:00,409 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 56 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 14:22:00,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971353751] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:00,409 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:00,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20, 11] total 38 [2021-11-23 14:22:00,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707091597] [2021-11-23 14:22:00,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:00,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-23 14:22:00,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:00,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-23 14:22:00,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=1260, Unknown=0, NotChecked=0, Total=1406 [2021-11-23 14:22:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:00,413 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:00,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 8.31578947368421) internal successors, (316), 38 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:00,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:00,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:00,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:02,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:02,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:22:02,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:02,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-23 14:22:02,901 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:02,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:02,901 INFO L85 PathProgramCache]: Analyzing trace with hash 601478545, now seen corresponding path program 1 times [2021-11-23 14:22:02,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:02,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154817701] [2021-11-23 14:22:02,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:02,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 376 proven. 230 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-11-23 14:22:03,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:03,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154817701] [2021-11-23 14:22:03,460 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154817701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:03,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070062356] [2021-11-23 14:22:03,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:03,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:03,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:03,464 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:03,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-23 14:22:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:03,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 14:22:03,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:04,195 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 13 treesize of output 9 [2021-11-23 14:22:04,606 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 14:22:04,606 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 1 case distinctions, treesize of input 36 treesize of output 31 [2021-11-23 14:22:04,699 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 15 treesize of output 7 [2021-11-23 14:22:04,851 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 376 proven. 334 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 14:22:04,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:05,433 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 489 proven. 3 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2021-11-23 14:22:05,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070062356] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:05,434 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:05,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 7] total 37 [2021-11-23 14:22:05,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303599720] [2021-11-23 14:22:05,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:05,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-23 14:22:05,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:05,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-23 14:22:05,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2021-11-23 14:22:05,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:05,436 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:05,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.18918918918919) internal successors, (414), 37 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:05,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:22:05,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-11-23 14:22:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-11-23 14:22:11,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-23 14:22:11,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-23 14:22:11,912 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:11,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:11,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1568008279, now seen corresponding path program 1 times [2021-11-23 14:22:11,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:11,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520845122] [2021-11-23 14:22:11,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:11,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 3738 proven. 515 refuted. 0 times theorem prover too weak. 3247 trivial. 0 not checked. [2021-11-23 14:22:13,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:13,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520845122] [2021-11-23 14:22:13,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520845122] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:13,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563200187] [2021-11-23 14:22:13,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:13,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:13,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:13,344 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:13,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-23 14:22:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:13,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 2051 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 14:22:13,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:22:14,880 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 6 treesize of output 5 [2021-11-23 14:22:14,911 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 11 treesize of output 7 [2021-11-23 14:22:14,930 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:22:14,930 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 14:22:15,001 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:22:15,001 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 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:22:15,128 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 20 treesize of output 12 [2021-11-23 14:22:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 2475 proven. 3 refuted. 0 times theorem prover too weak. 5022 trivial. 0 not checked. [2021-11-23 14:22:15,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:22:21,226 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_71| Int) (~t~0 Int)) (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_71| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296))) is different from false [2021-11-23 14:22:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 2475 proven. 1 refuted. 0 times theorem prover too weak. 5022 trivial. 2 not checked. [2021-11-23 14:22:23,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563200187] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:22:23,865 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:22:23,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 9] total 27 [2021-11-23 14:22:23,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417339686] [2021-11-23 14:22:23,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:22:23,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-23 14:22:23,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:22:23,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-23 14:22:23,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=583, Unknown=5, NotChecked=48, Total=702 [2021-11-23 14:22:23,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:23,869 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:22:23,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.185185185185185) internal successors, (248), 27 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2021-11-23 14:22:23,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:56,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:22:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:56,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:22:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2021-11-23 14:22:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2021-11-23 14:22:56,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:22:56,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:22:56,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:56,353 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:22:56,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:22:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash -292391732, now seen corresponding path program 1 times [2021-11-23 14:22:56,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:22:56,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479817123] [2021-11-23 14:22:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:56,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:22:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 4000 proven. 488 refuted. 0 times theorem prover too weak. 4141 trivial. 0 not checked. [2021-11-23 14:22:58,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:22:58,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479817123] [2021-11-23 14:22:58,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479817123] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:22:58,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756618613] [2021-11-23 14:22:58,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:22:58,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:22:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:22:58,788 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:22:58,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-23 14:22:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:22:59,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 2396 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:22:59,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:00,163 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 20 treesize of output 12 [2021-11-23 14:23:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 3926 proven. 1 refuted. 0 times theorem prover too weak. 4702 trivial. 0 not checked. [2021-11-23 14:23:00,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:23:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 8629 backedges. 3926 proven. 1 refuted. 0 times theorem prover too weak. 4702 trivial. 0 not checked. [2021-11-23 14:23:01,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756618613] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:23:01,713 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:23:01,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 5] total 20 [2021-11-23 14:23:01,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062669153] [2021-11-23 14:23:01,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:23:01,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-23 14:23:01,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-23 14:23:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-11-23 14:23:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:01,718 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:01,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 13.3) internal successors, (266), 20 states have internal predecessors, (266), 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 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2021-11-23 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2021-11-23 14:23:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:23:04,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:23:04,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:23:04,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:04,454 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:23:04,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:04,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1696149220, now seen corresponding path program 2 times [2021-11-23 14:23:04,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:04,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792813953] [2021-11-23 14:23:04,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:04,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 17881 backedges. 8342 proven. 1200 refuted. 0 times theorem prover too weak. 8339 trivial. 0 not checked. [2021-11-23 14:23:08,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:08,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792813953] [2021-11-23 14:23:08,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792813953] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:23:08,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041929788] [2021-11-23 14:23:08,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:23:08,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:08,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:23:08,999 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:23:09,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-23 14:23:09,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:23:09,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:23:09,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 3330 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 14:23:09,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:10,384 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 6 treesize of output 5 [2021-11-23 14:23:10,420 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:23:10,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-11-23 14:23:10,568 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:23:10,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:23:10,651 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:23:10,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:23:10,757 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:23:10,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:23:10,841 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:23:10,897 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:23:10,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:23:10,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 14:23:11,053 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:23:11,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:23:11,157 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-11-23 14:23:11,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2021-11-23 14:23:11,254 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:23:11,255 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 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-23 14:23:11,380 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 20 treesize of output 12 [2021-11-23 14:23:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 17881 backedges. 7732 proven. 31 refuted. 0 times theorem prover too weak. 10118 trivial. 0 not checked. [2021-11-23 14:23:12,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:23:33,498 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) is different from false [2021-11-23 14:23:36,759 INFO L134 CoverageAnalysis]: Checked inductivity of 17881 backedges. 7721 proven. 24 refuted. 3 times theorem prover too weak. 10121 trivial. 12 not checked. [2021-11-23 14:23:36,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041929788] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:23:36,760 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:23:36,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 37 [2021-11-23 14:23:36,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45599602] [2021-11-23 14:23:36,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:23:36,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-23 14:23:36,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:36,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-23 14:23:36,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1135, Unknown=11, NotChecked=68, Total=1332 [2021-11-23 14:23:36,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:36,767 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:36,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.432432432432432) internal successors, (386), 37 states have internal predecessors, (386), 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 14:23:36,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:36,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:36,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:36,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:23:36,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:23:36,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:23:36,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:38,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:23:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:23:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:23:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-23 14:23:38,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-23 14:23:38,557 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-11-23 14:23:38,557 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:23:38,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:38,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1888367297, now seen corresponding path program 1 times [2021-11-23 14:23:38,558 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:38,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137235685] [2021-11-23 14:23:38,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:38,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:39,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 436 proven. 241 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2021-11-23 14:23:39,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:39,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137235685] [2021-11-23 14:23:39,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137235685] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:23:39,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43229483] [2021-11-23 14:23:39,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:39,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:23:39,541 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:23:39,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-23 14:23:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:39,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-23 14:23:39,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:41,300 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 11 treesize of output 7 [2021-11-23 14:23:41,768 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 14:23:41,768 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 1 case distinctions, treesize of input 30 treesize of output 29 [2021-11-23 14:23:41,861 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 15 treesize of output 7 [2021-11-23 14:23:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 436 proven. 785 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 14:23:42,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:23:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 577 proven. 3 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2021-11-23 14:23:42,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43229483] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:23:42,780 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:23:42,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 28, 7] total 46 [2021-11-23 14:23:42,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925643987] [2021-11-23 14:23:42,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:23:42,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-23 14:23:42,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:23:42,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-23 14:23:42,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1961, Unknown=0, NotChecked=0, Total=2070 [2021-11-23 14:23:42,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:42,785 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:23:42,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 12.58695652173913) internal successors, (579), 46 states have internal predecessors, (579), 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 14:23:42,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:42,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:42,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:42,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:23:42,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:23:42,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:42,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:23:42,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-11-23 14:23:42,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:49,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:23:49,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:23:49,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:23:49,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2021-11-23 14:23:49,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-23 14:23:49,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-23 14:23:49,825 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:23:49,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:23:49,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1864754860, now seen corresponding path program 1 times [2021-11-23 14:23:49,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:23:49,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209824570] [2021-11-23 14:23:49,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:49,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:23:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:51,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 952 proven. 199 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2021-11-23 14:23:51,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:23:51,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209824570] [2021-11-23 14:23:51,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209824570] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:23:51,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546329617] [2021-11-23 14:23:51,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:23:51,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:23:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:23:51,069 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:23:51,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-23 14:23:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:23:51,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1453 conjuncts, 187 conjunts are in the unsatisfiable core [2021-11-23 14:23:51,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:23:58,427 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 18 treesize of output 14 [2021-11-23 14:23:58,597 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 22 treesize of output 10 [2021-11-23 14:23:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 249 proven. 1946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:23:58,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:24:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2195 backedges. 249 proven. 826 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2021-11-23 14:24:03,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546329617] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:24:03,138 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:24:03,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 90, 15] total 111 [2021-11-23 14:24:03,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102920351] [2021-11-23 14:24:03,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:24:03,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 111 states [2021-11-23 14:24:03,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:24:03,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2021-11-23 14:24:03,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=11576, Unknown=0, NotChecked=0, Total=12210 [2021-11-23 14:24:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:03,146 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:24:03,147 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 111 states, 111 states have (on average 6.63963963963964) internal successors, (737), 111 states have internal predecessors, (737), 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 14:24:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:03,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-11-23 14:24:03,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2021-11-23 14:24:03,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:15,754 WARN L838 $PredicateComparison]: unable to prove that (and (= (select |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base|) 1) (not (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |c_ULTIMATE.start_thr1_~#l~0#1.base|)) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) (= (select |c_#valid| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 1)) is different from false [2021-11-23 14:24:17,770 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_171| Int) (|v_thr1Thread1of2ForFork0_~#l~0#1.base_94| Int)) (let ((.cse0 (store (store |c_#valid| |v_ULTIMATE.start_thr1_~#l~0#1.base_171| 1) |c_thr1Thread1of2ForFork0_~#l~0#1.base| 0))) (or (not (= (select (store (store .cse0 |v_thr1Thread1of2ForFork0_~#l~0#1.base_94| 1) |v_ULTIMATE.start_thr1_~#l~0#1.base_171| 0) |v_thr1Thread1of2ForFork0_~#l~0#1.base_94|) 0)) (not (= (select .cse0 |v_thr1Thread1of2ForFork0_~#l~0#1.base_94|) 0)) (not (= (select |c_#valid| |v_ULTIMATE.start_thr1_~#l~0#1.base_171|) 0))))) (forall ((|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296))) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0))))) is different from false [2021-11-23 14:24:29,245 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= (select |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base|) 1) (not (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |c_ULTIMATE.start_thr1_~#l~0#1.base|)) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) (= (select |c_#valid| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 1)) is different from false [2021-11-23 14:24:31,251 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= |c_thr1Thread1of2ForFork0_#t~mem3#1| (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|)) (= (select |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base|) 1) (not (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |c_ULTIMATE.start_thr1_~#l~0#1.base|)) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) (= (select |c_#valid| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 1)) is different from false [2021-11-23 14:24:33,259 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (not (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod c_~s~0 4294967296))) (= (select |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base|) 1) (not (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |c_ULTIMATE.start_thr1_~#l~0#1.base|)) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) (= (select |c_#valid| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 1)) is different from false [2021-11-23 14:24:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:35,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:24:35,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-11-23 14:24:35,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-23 14:24:36,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-23 14:24:36,057 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:24:36,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:24:36,058 INFO L85 PathProgramCache]: Analyzing trace with hash -819197253, now seen corresponding path program 1 times [2021-11-23 14:24:36,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:24:36,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400396] [2021-11-23 14:24:36,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:24:36,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:24:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:24:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 25930 backedges. 8665 proven. 263 refuted. 0 times theorem prover too weak. 17002 trivial. 0 not checked. [2021-11-23 14:24:44,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:24:44,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400396] [2021-11-23 14:24:44,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400396] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:24:44,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007079431] [2021-11-23 14:24:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:24:44,192 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:24:44,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:24:44,193 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:24:44,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-23 14:24:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:24:45,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 4108 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 14:24:45,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:24:46,213 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 11 treesize of output 7 [2021-11-23 14:24:46,367 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 14:24:46,368 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 1 case distinctions, treesize of input 24 treesize of output 27 [2021-11-23 14:24:47,857 INFO L134 CoverageAnalysis]: Checked inductivity of 25930 backedges. 13357 proven. 3 refuted. 0 times theorem prover too weak. 12570 trivial. 0 not checked. [2021-11-23 14:24:47,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:24:51,242 WARN L838 $PredicateComparison]: unable to prove that (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int)) (let ((.cse0 (mod c_~s~0 4294967296))) (or (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (= aux_mod_~t~0_21 .cse0) (not (= (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset| (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0))))) is different from false [2021-11-23 14:24:53,279 WARN L838 $PredicateComparison]: unable to prove that (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int)) (let ((.cse0 (mod c_~s~0 4294967296))) (or (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (= aux_mod_~t~0_21 .cse0) (not (= (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0))))) is different from false [2021-11-23 14:24:55,438 WARN L838 $PredicateComparison]: unable to prove that (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int) (aux_div_aux_mod_~s~0_21_32 Int)) (let ((.cse1 (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (let ((.cse0 (+ (* 4294967296 aux_div_aux_mod_~s~0_21_32) .cse1))) (or (= aux_mod_~t~0_21 .cse0) (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (<= 4294967296 .cse0) (= .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (< .cse0 0))))) is different from false [2021-11-23 14:24:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 25930 backedges. 13099 proven. 0 refuted. 0 times theorem prover too weak. 12830 trivial. 1 not checked. [2021-11-23 14:24:56,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007079431] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:24:56,269 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:24:56,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 9] total 30 [2021-11-23 14:24:56,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631499908] [2021-11-23 14:24:56,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:24:56,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-23 14:24:56,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:24:56,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-23 14:24:56,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=630, Unknown=3, NotChecked=156, Total=870 [2021-11-23 14:24:56,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:56,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:24:56,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 9.933333333333334) internal successors, (298), 30 states have internal predecessors, (298), 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 14:24:56,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:24:56,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:24:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-11-23 14:24:56,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:24:59,112 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 c_~s~0))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (<= .cse0 c_~t~0) (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int) (aux_div_aux_mod_~s~0_21_32 Int)) (let ((.cse2 (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (let ((.cse1 (+ (* 4294967296 aux_div_aux_mod_~s~0_21_32) .cse2))) (or (= aux_mod_~t~0_21 .cse1) (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (<= 4294967296 .cse1) (= .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (< .cse1 0))))) (= |c_ULTIMATE.start_thr1_~#l~0#1.offset| 0))) is different from false [2021-11-23 14:25:01,119 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int)) (let ((.cse0 (mod c_~s~0 4294967296))) (or (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (= aux_mod_~t~0_21 .cse0) (not (= (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0))))) (not (= (mod c_~s~0 4294967296) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (= |c_ULTIMATE.start_thr1_~#l~0#1.offset| 0)) is different from false [2021-11-23 14:25:04,055 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int) (aux_div_aux_mod_~s~0_21_32 Int)) (let ((.cse1 (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (let ((.cse0 (+ (* 4294967296 aux_div_aux_mod_~s~0_21_32) .cse1))) (or (= aux_mod_~t~0_21 .cse0) (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (<= 4294967296 .cse0) (= .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (< .cse0 0))))) (= |c_ULTIMATE.start_thr1_~#l~0#1.offset| 0)) is different from false [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:06,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:06,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:06,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2021-11-23 14:25:06,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:06,752 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:25:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:06,753 INFO L85 PathProgramCache]: Analyzing trace with hash 439848911, now seen corresponding path program 2 times [2021-11-23 14:25:06,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:06,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102129218] [2021-11-23 14:25:06,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:06,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:25:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4245 backedges. 707 proven. 985 refuted. 0 times theorem prover too weak. 2553 trivial. 0 not checked. [2021-11-23 14:25:08,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:25:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102129218] [2021-11-23 14:25:08,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102129218] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:25:08,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942596286] [2021-11-23 14:25:08,727 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-23 14:25:08,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:08,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:25:08,735 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:25:08,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-23 14:25:09,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-23 14:25:09,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:25:09,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 1955 conjuncts, 258 conjunts are in the unsatisfiable core [2021-11-23 14:25:09,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:25:20,301 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 13 treesize of output 9 [2021-11-23 14:25:21,369 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 14:25:21,369 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 1 case distinctions, treesize of input 32 treesize of output 27 [2021-11-23 14:25:21,484 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 22 treesize of output 10 [2021-11-23 14:25:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4245 backedges. 707 proven. 3516 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 14:25:21,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:25:23,171 INFO L134 CoverageAnalysis]: Checked inductivity of 4245 backedges. 1049 proven. 3 refuted. 0 times theorem prover too weak. 3193 trivial. 0 not checked. [2021-11-23 14:25:23,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942596286] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:25:23,171 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:25:23,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 122, 9] total 139 [2021-11-23 14:25:23,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78953750] [2021-11-23 14:25:23,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:25:23,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-11-23 14:25:23,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:25:23,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-11-23 14:25:23,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=690, Invalid=18492, Unknown=0, NotChecked=0, Total=19182 [2021-11-23 14:25:23,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:23,182 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:25:23,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 6.280575539568345) internal successors, (873), 139 states have internal predecessors, (873), 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 14:25:23,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:23,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:23,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:37,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:37,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:25:37,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-23 14:25:37,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2021-11-23 14:25:37,884 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:25:37,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:37,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1818660214, now seen corresponding path program 3 times [2021-11-23 14:25:37,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:37,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473785283] [2021-11-23 14:25:37,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:37,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:25:41,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5955 backedges. 869 proven. 1615 refuted. 0 times theorem prover too weak. 3471 trivial. 0 not checked. [2021-11-23 14:25:41,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:25:41,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473785283] [2021-11-23 14:25:41,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473785283] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:25:41,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421490696] [2021-11-23 14:25:41,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:25:41,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:41,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:25:41,178 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:25:41,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-23 14:25:41,620 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-23 14:25:41,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:25:41,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 14:25:41,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:25:42,639 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 6 treesize of output 5 [2021-11-23 14:25:42,670 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 13 treesize of output 9 [2021-11-23 14:25:42,722 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:25:42,723 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 14:25:42,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 22 [2021-11-23 14:25:43,067 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:25:43,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 37 treesize of output 25 [2021-11-23 14:25:43,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5955 backedges. 1115 proven. 0 refuted. 0 times theorem prover too weak. 4840 trivial. 0 not checked. [2021-11-23 14:25:43,206 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:25:43,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421490696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:25:43,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:25:43,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 24 [2021-11-23 14:25:43,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164772002] [2021-11-23 14:25:43,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:25:43,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 14:25:43,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:25:43,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 14:25:43,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2021-11-23 14:25:43,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:43,209 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:25:43,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 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 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:43,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:43,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:25:43,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:43,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:43,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:25:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:43,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2021-11-23 14:25:43,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-11-23 14:25:43,759 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:25:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:43,759 INFO L85 PathProgramCache]: Analyzing trace with hash -399395887, now seen corresponding path program 4 times [2021-11-23 14:25:43,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:43,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597624874] [2021-11-23 14:25:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:43,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:25:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6016 backedges. 872 proven. 1671 refuted. 0 times theorem prover too weak. 3473 trivial. 0 not checked. [2021-11-23 14:25:46,534 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:25:46,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597624874] [2021-11-23 14:25:46,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597624874] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:25:46,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674206741] [2021-11-23 14:25:46,535 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:25:46,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:46,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:25:46,542 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:25:46,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-23 14:25:47,593 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:25:47,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:25:47,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:25:47,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:25:48,710 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 20 treesize of output 12 [2021-11-23 14:25:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6016 backedges. 947 proven. 1 refuted. 0 times theorem prover too weak. 5068 trivial. 0 not checked. [2021-11-23 14:25:48,820 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:25:49,775 INFO L134 CoverageAnalysis]: Checked inductivity of 6016 backedges. 947 proven. 1 refuted. 0 times theorem prover too weak. 5068 trivial. 0 not checked. [2021-11-23 14:25:49,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674206741] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:25:49,775 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:25:49,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 22 [2021-11-23 14:25:49,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105975409] [2021-11-23 14:25:49,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:25:49,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-23 14:25:49,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:25:49,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-23 14:25:49,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-11-23 14:25:49,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:49,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:25:49,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.090909090909092) internal successors, (288), 22 states have internal predecessors, (288), 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 14:25:49,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:49,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:49,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:49,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:49,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:25:49,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:25:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:25:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:25:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-23 14:25:52,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-23 14:25:52,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:52,212 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:25:52,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:25:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1504673726, now seen corresponding path program 5 times [2021-11-23 14:25:52,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:25:52,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4625552] [2021-11-23 14:25:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:25:52,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:25:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:25:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11139 backedges. 4195 proven. 2196 refuted. 0 times theorem prover too weak. 4748 trivial. 0 not checked. [2021-11-23 14:25:56,061 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:25:56,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4625552] [2021-11-23 14:25:56,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4625552] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:25:56,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343023190] [2021-11-23 14:25:56,063 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-23 14:25:56,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:25:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:25:56,064 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:25:56,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-23 14:26:38,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-11-23 14:26:38,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:26:38,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 14:26:38,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:26:39,900 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 6 treesize of output 5 [2021-11-23 14:26:39,934 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 13 treesize of output 9 [2021-11-23 14:26:39,985 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:26:39,985 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 14:26:40,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-23 14:26:40,632 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:26:40,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 46 treesize of output 30 [2021-11-23 14:26:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 11139 backedges. 5341 proven. 0 refuted. 0 times theorem prover too weak. 5798 trivial. 0 not checked. [2021-11-23 14:26:41,350 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:26:41,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343023190] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:26:41,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:26:41,351 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 26 [2021-11-23 14:26:41,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697342358] [2021-11-23 14:26:41,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:26:41,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 14:26:41,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:26:41,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 14:26:41,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=596, Unknown=0, NotChecked=0, Total=650 [2021-11-23 14:26:41,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:26:41,354 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:26:41,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 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 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:26:41,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-23 14:26:41,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:26:42,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:26:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-11-23 14:26:42,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-23 14:26:42,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-23 14:26:42,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-23 14:26:42,392 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:26:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:26:42,393 INFO L85 PathProgramCache]: Analyzing trace with hash -759681999, now seen corresponding path program 6 times [2021-11-23 14:26:42,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:26:42,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628544682] [2021-11-23 14:26:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:26:42,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:26:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:26:46,771 INFO L134 CoverageAnalysis]: Checked inductivity of 12945 backedges. 4941 proven. 2633 refuted. 0 times theorem prover too weak. 5371 trivial. 0 not checked. [2021-11-23 14:26:46,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:26:46,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628544682] [2021-11-23 14:26:46,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628544682] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:26:46,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005264893] [2021-11-23 14:26:46,772 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-11-23 14:26:46,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:26:46,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:26:46,773 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:26:46,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-23 14:27:12,716 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-11-23 14:27:12,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:27:12,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 1037 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 14:27:12,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:27:14,249 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 14:27:14,249 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 1 case distinctions, treesize of input 21 treesize of output 28 [2021-11-23 14:27:15,575 INFO L354 Elim1Store]: treesize reduction 19, result has 44.1 percent of original size [2021-11-23 14:27:15,575 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 1 case distinctions, treesize of input 29 treesize of output 32 [2021-11-23 14:27:15,721 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 14:27:15,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 38 treesize of output 34 [2021-11-23 14:27:15,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12945 backedges. 2187 proven. 7 refuted. 0 times theorem prover too weak. 10751 trivial. 0 not checked. [2021-11-23 14:27:15,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:27:19,412 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse0 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset| (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0))) (<= .cse0 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse0 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse0)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset| (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1 1))) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse1) 0) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))))) is different from false [2021-11-23 14:27:21,693 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse0 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse0 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse0 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse0) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse1 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse1))))) is different from false [2021-11-23 14:27:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12945 backedges. 2187 proven. 4 refuted. 0 times theorem prover too weak. 10751 trivial. 3 not checked. [2021-11-23 14:27:23,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005264893] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:27:23,186 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:27:23,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 11, 10] total 34 [2021-11-23 14:27:23,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842556954] [2021-11-23 14:27:23,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:27:23,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 14:27:23,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:27:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 14:27:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=903, Unknown=2, NotChecked=122, Total=1122 [2021-11-23 14:27:23,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:27:23,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:27:23,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.205882352941176) internal successors, (347), 34 states have internal predecessors, (347), 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 14:27:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:27:23,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:27:23,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:27:23,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-11-23 14:27:23,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-11-23 14:27:23,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:27:26,197 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 c_~s~0))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse1) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (not (= (mod (select (select |c_#memory_int| |c_thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset|) 4294967296) (mod c_~s~0 4294967296))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse2)))))) is different from false [2021-11-23 14:27:28,957 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_thr1Thread2of2ForFork0_#t~post4#1| 2)) (.cse2 (+ 2 c_~s~0)) (.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (.cse3 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse0) (<= c_~t~0 .cse1) (<= .cse1 c_~t~0) (<= c_~t~0 .cse2) (<= .cse3 |c_ULTIMATE.start_thr1_#t~mem3#1|) (or (<= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse3) (< (div |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296) (+ (div c_~s~0 4294967296) 1))) (<= .cse2 c_~t~0) (<= .cse3 .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse4 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse4 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse4 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse4) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse4 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= .cse0 .cse3) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse5 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse5 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse5))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse5 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse5)))))) is different from false [2021-11-23 14:27:32,245 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse1) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= c_~t~0 .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse2)))))) is different from false [2021-11-23 14:27:35,824 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 c_~s~0)) (.cse1 (mod c_~s~0 4294967296))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (not (= (mod |c_thr1Thread2of2ForFork0_#t~mem3#1| 4294967296) .cse1)) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse2) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (not (= (mod (select (select |c_#memory_int| |c_thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset|) 4294967296) .cse1)) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse3 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse3)))))) is different from false [2021-11-23 14:27:38,240 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_thr1Thread2of2ForFork0_#t~post4#1| 2)) (.cse0 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= .cse0 c_~t~0) (<= c_~t~0 .cse1) (<= .cse1 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse2) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= c_~t~0 .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse3 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse3)))))) is different from false [2021-11-23 14:27:40,347 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_thr1Thread2of2ForFork0_#t~post4#1| 2)) (.cse1 (+ 2 c_~s~0))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (<= .cse0 c_~t~0) (<= c_~t~0 .cse1) (<= .cse1 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse2) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse3 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse3)))))) is different from false [2021-11-23 14:27:46,406 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 c_~s~0)) (.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (.cse2 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse0) (<= c_~t~0 .cse1) (<= .cse2 |c_ULTIMATE.start_thr1_#t~mem3#1|) (or (<= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse2) (< (div |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296) (+ (div c_~s~0 4294967296) 1))) (<= .cse1 c_~t~0) (<= .cse2 .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse3) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= .cse0 .cse2) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse4 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse4 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse4))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse4 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse4)))))) is different from false [2021-11-23 14:27:48,440 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 c_~s~0))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse1) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse2)))))) is different from false [2021-11-23 14:27:50,990 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 2 c_~s~0))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= c_~t~0 .cse0) (not (= (mod |c_thr1Thread2of2ForFork0_#t~mem3#1| 4294967296) (mod c_~s~0 4294967296))) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse1) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse2 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse2)))))) is different from false [2021-11-23 14:27:53,249 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 c_~s~0)) (.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (.cse2 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse0) (<= c_~t~0 .cse1) (<= .cse2 |c_ULTIMATE.start_thr1_#t~mem3#1|) (not (= (mod |c_thr1Thread2of2ForFork0_#t~mem3#1| 4294967296) (mod c_~s~0 4294967296))) (or (<= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse2) (< (div |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296) (+ (div c_~s~0 4294967296) 1))) (<= .cse1 c_~t~0) (<= .cse2 .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse3) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= .cse0 .cse2) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse4 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse4 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse4))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse4 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse4)))))) is different from false [2021-11-23 14:27:55,515 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (+ c_~s~0 1))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (<= .cse0 c_~t~0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset| (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1))) (<= .cse1 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse1)))) (= |c_thr1Thread2of2ForFork0_~#l~0#1.offset| 0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) |c_thr1Thread2of2ForFork0_~#l~0#1.offset| (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse2 1))) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse2 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse2) 0) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (<= c_~t~0 .cse0))) is different from false [2021-11-23 14:28:02,852 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse0 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse0 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse0 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse0) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse1 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse1 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse1))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse1))))) is different from false [2021-11-23 14:28:05,945 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (mod c_~s~0 4294967296))) (let ((.cse2 (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|)) (.cse0 (not (= (mod c_~t~0 4294967296) .cse1)))) (and (or .cse0 (not (= .cse1 (mod .cse2 4294967296)))) (= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse2) (or (not (= .cse1 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) .cse0) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_112 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int)) (let ((.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172))) (or (<= aux_div_aux_mod_aux_mod_~t~0_27_32_112 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172) (< 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 1)) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 .cse3 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_112)) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 4294967297 .cse3) 0) (not (= (* 4294967296 aux_div_aux_mod_~t~0_27_32) (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ (* aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 1)) (- 2) (* aux_div_aux_mod_~t~0_27_32 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172 (- 4294967296)) (* aux_div_~t~0_27 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse3 1))) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_112_172)))) (forall ((|thr1Thread2of2ForFork0_~#l~0#1.base| Int) (aux_div_aux_mod_aux_mod_~t~0_27_32_106 Int) (aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int) (aux_div_~t~0_27 Int) (aux_div_aux_mod_~t~0_27_32 Int) (aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 Int)) (let ((.cse4 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195))) (or (<= aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (+ aux_div_aux_mod_aux_mod_~t~0_27_32_106 1)) (<= .cse4 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (<= 4294967296 aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195) (not (= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* 4294967296 aux_div_aux_mod_~t~0_27_32) 4294967296) (+ (mod (select (select (store |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread2of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (* aux_div_aux_mod_~t~0_27_32 4294967296) 4294967295 (* aux_div_~t~0_27 4294967296) (* aux_div_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 (- 4294967296))))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse4))) (<= (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 8589934592 (* 4294967296 aux_div_aux_mod_aux_mod_~t~0_27_32_106)) (+ .cse4 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296))) (< (+ aux_mod_aux_mod_aux_mod_aux_mod_~t~0_27_32_106_195 4294967296) .cse4))))))) is different from false [2021-11-23 14:28:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:28:08,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2021-11-23 14:28:08,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:28:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-23 14:28:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:28:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-23 14:28:08,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-23 14:28:08,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-23 14:28:08,221 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:28:08,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:28:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1630229942, now seen corresponding path program 7 times [2021-11-23 14:28:08,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:28:08,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676211471] [2021-11-23 14:28:08,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:28:08,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:28:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:28:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 7360 backedges. 3264 proven. 583 refuted. 0 times theorem prover too weak. 3513 trivial. 0 not checked. [2021-11-23 14:28:10,996 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:28:10,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676211471] [2021-11-23 14:28:10,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676211471] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:28:10,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166524469] [2021-11-23 14:28:10,997 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-23 14:28:10,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:28:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:28:11,004 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:28:11,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-23 14:28:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:28:14,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 231 conjunts are in the unsatisfiable core [2021-11-23 14:28:14,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:28:24,552 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 18 treesize of output 14 [2021-11-23 14:28:24,923 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 22 treesize of output 10 [2021-11-23 14:28:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 7360 backedges. 3264 proven. 3139 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2021-11-23 14:28:25,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:28:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7360 backedges. 3264 proven. 581 refuted. 0 times theorem prover too weak. 3515 trivial. 0 not checked. [2021-11-23 14:28:33,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166524469] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:28:33,715 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:28:33,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 113, 14] total 135 [2021-11-23 14:28:33,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684866295] [2021-11-23 14:28:33,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:28:33,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2021-11-23 14:28:33,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:28:33,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2021-11-23 14:28:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=691, Invalid=17399, Unknown=0, NotChecked=0, Total=18090 [2021-11-23 14:28:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:28:33,724 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:28:33,724 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 6.481481481481482) internal successors, (875), 135 states have internal predecessors, (875), 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 14:28:33,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 136 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2021-11-23 14:28:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:28:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-11-23 14:28:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:28:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-23 14:28:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:28:53,832 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 0)) (forall ((|v_thr1Thread1of2ForFork0_~#l~0#1.base_94| Int)) (let ((.cse0 (store |c_#valid| |c_thr1Thread1of2ForFork0_~#l~0#1.base| 0))) (or (not (= (select .cse0 |v_thr1Thread1of2ForFork0_~#l~0#1.base_94|) 0)) (not (= (select (store (store .cse0 |v_thr1Thread1of2ForFork0_~#l~0#1.base_94| 1) |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_thr1Thread1of2ForFork0_~#l~0#1.base_94|) 0))))) (= (select |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base|) 1) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0))))) is different from false [2021-11-23 14:28:55,872 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (= (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296))) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0))))) is different from false [2021-11-23 14:29:04,516 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (not (= (mod c_~s~0 4294967296) (mod (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int)) (let ((.cse0 (mod c_~s~0 4294967296))) (or (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (= aux_mod_~t~0_21 .cse0) (not (= (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset| (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296) .cse0))))) (= |c_ULTIMATE.start_thr1_~#l~0#1.offset| 0)) is different from false [2021-11-23 14:29:06,547 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|))) (and (= |c_ULTIMATE.start_thr1_#t~mem3#1| .cse0) (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (exists ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (let ((.cse1 (select (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0))) (and (= .cse1 |c_ULTIMATE.start_thr1_#t~mem3#1|) (let ((.cse2 (* .cse1 (- 1))) (.cse3 (mod c_~s~0 4294967296))) (or (< (div (+ .cse2 4294967295) (- 4294967296)) (div (+ .cse2 .cse3) (- 4294967296))) (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |ULTIMATE.start_thr1_~#l~0#1.base|) (< (div (+ (- 1) .cse2 .cse3) (- 4294967296)) (+ (div .cse1 4294967296) 1))))))) (let ((.cse4 (* .cse0 (- 1))) (.cse5 (mod c_~s~0 4294967296))) (or (< (div (+ 4294967295 .cse4) (- 4294967296)) (div (+ .cse4 .cse5) (- 4294967296))) (< (div (+ (- 1) .cse4 .cse5) (- 4294967296)) (+ (div .cse0 4294967296) 1)) (= |c_thr1Thread1of2ForFork0_~#l~0#1.base| |c_ULTIMATE.start_thr1_~#l~0#1.base|))) (forall ((aux_div_~t~0_21 Int) (|thr1Thread1of2ForFork0_~#l~0#1.base| Int) (aux_mod_~t~0_21 Int) (aux_div_aux_mod_~s~0_21_32 Int)) (let ((.cse7 (mod (select (select (store |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base| (store (select |c_#memory_int| |thr1Thread1of2ForFork0_~#l~0#1.base|) 0 (+ aux_mod_~t~0_21 (* aux_div_~t~0_21 4294967296)))) |c_ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset|) 4294967296))) (let ((.cse6 (+ (* 4294967296 aux_div_aux_mod_~s~0_21_32) .cse7))) (or (= aux_mod_~t~0_21 .cse6) (<= 4294967296 aux_mod_~t~0_21) (< aux_mod_~t~0_21 0) (<= 4294967296 .cse6) (= .cse7 (mod |c_ULTIMATE.start_thr1_#t~mem3#1| 4294967296)) (< .cse6 0))))) (= |c_ULTIMATE.start_thr1_~#l~0#1.offset| 0))) is different from false [2021-11-23 14:29:08,972 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) 0)) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0))))) is different from false [2021-11-23 14:29:10,984 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0)))) (forall ((|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (= (mod |c_thr1Thread1of2ForFork0_#t~mem3#1| 4294967296) (mod (select (select (store |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_thr1_~#l~0#1.base|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))) is different from false [2021-11-23 14:29:13,999 WARN L838 $PredicateComparison]: unable to prove that (and (not (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod c_~s~0 4294967296))) (forall ((|v_ULTIMATE.start_thr1_~#l~0#1.base_169| Int) (|v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| Int) (~t~0 Int)) (or (= (mod (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296) (mod (select (select (store |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169| (store (select |c_#memory_int| |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) |v_ULTIMATE.start___VERIFIER_atomic_fetch_and_inc_~l#1.offset_105| ~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)) (not (= (select (store |c_#valid| |c_ULTIMATE.start_thr1_~#l~0#1.base| 0) |v_ULTIMATE.start_thr1_~#l~0#1.base_169|) 0))))) is different from false [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-11-23 14:29:46,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:29:46,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:29:46,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:29:46,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-23 14:29:46,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:29:46,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-11-23 14:29:46,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:29:46,389 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:29:46,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:29:46,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2121237236, now seen corresponding path program 3 times [2021-11-23 14:29:46,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:29:46,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223753842] [2021-11-23 14:29:46,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:29:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:29:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:29:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 33115 backedges. 13478 proven. 614 refuted. 0 times theorem prover too weak. 19023 trivial. 0 not checked. [2021-11-23 14:29:57,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:29:57,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223753842] [2021-11-23 14:29:57,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223753842] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:29:57,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699520738] [2021-11-23 14:29:57,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-23 14:29:57,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:29:57,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:29:57,168 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:29:57,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-23 14:29:57,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-23 14:29:57,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:29:57,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-23 14:29:57,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:29:59,834 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 13 treesize of output 9 [2021-11-23 14:29:59,970 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-11-23 14:29:59,971 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 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-23 14:30:01,514 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-23 14:30:01,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 72 treesize of output 48 [2021-11-23 14:30:01,701 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 18 treesize of output 14 [2021-11-23 14:30:01,753 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 24 treesize of output 16 [2021-11-23 14:30:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 33115 backedges. 3026 proven. 55 refuted. 0 times theorem prover too weak. 30034 trivial. 0 not checked. [2021-11-23 14:30:01,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 14:30:04,405 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) |c_ULTIMATE.start_thr1_~#l~0#1.offset| c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))) is different from false [2021-11-23 14:30:06,421 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))) is different from false [2021-11-23 14:30:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 33115 backedges. 2950 proven. 24 refuted. 0 times theorem prover too weak. 30112 trivial. 29 not checked. [2021-11-23 14:30:07,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699520738] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 14:30:07,941 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 14:30:07,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 14] total 42 [2021-11-23 14:30:07,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314344166] [2021-11-23 14:30:07,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 14:30:07,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2021-11-23 14:30:07,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:30:07,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-11-23 14:30:07,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1417, Unknown=2, NotChecked=154, Total=1722 [2021-11-23 14:30:07,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:07,945 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-23 14:30:07,946 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.261904761904763) internal successors, (389), 42 states have internal predecessors, (389), 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 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:30:07,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:30:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:30:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2021-11-23 14:30:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:30:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:10,052 WARN L838 $PredicateComparison]: unable to prove that (and (<= c_~t~0 1) (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= (+ (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 1) c_~t~0) (<= 1 c_~t~0) (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))) (= c_~s~0 0)) is different from false [2021-11-23 14:30:12,402 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 2 c_~s~0)) (.cse1 (+ c_~s~0 1)) (.cse0 (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|))) (and (<= .cse0 .cse1) (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (<= c_~t~0 .cse2) (= (+ .cse0 1) c_~t~0) (<= .cse2 c_~t~0) (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))) (<= .cse1 .cse0))) is different from false [2021-11-23 14:30:14,406 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= (+ (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 1) c_~t~0) (not (= (mod c_~t~0 4294967296) (mod c_~s~0 4294967296))) (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296))))) is different from false [2021-11-23 14:30:17,533 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (+ 2 |c_ULTIMATE.start_thr1_#t~post4#1|)) (.cse0 (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|))) (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= (+ .cse0 1) c_~t~0) (<= .cse0 .cse1) (= (mod c_~s~0 4294967296) (mod (+ c_~t~0 4294967293) 4294967296)) (<= .cse1 .cse0) (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296)))))) is different from false [2021-11-23 14:30:19,536 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_thr1Thread1of2ForFork0_~#l~0#1.offset| 0) (= (+ (select (select |c_#memory_int| |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 1) c_~t~0) (forall ((|ULTIMATE.start_thr1_~#l~0#1.base| Int)) (not (= (mod (+ 2 c_~t~0) 4294967296) (mod (select (select (store |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_thr1_~#l~0#1.base|) 0 c_~t~0)) |c_thr1Thread1of2ForFork0_~#l~0#1.base|) |c_thr1Thread1of2ForFork0_~#l~0#1.offset|) 4294967296))))) is different from false [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2021-11-23 14:30:19,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2021-11-23 14:30:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-11-23 14:30:20,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-11-23 14:30:20,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:30:20,185 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-11-23 14:30:20,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:30:20,185 INFO L85 PathProgramCache]: Analyzing trace with hash -740692001, now seen corresponding path program 4 times [2021-11-23 14:30:20,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:30:20,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997179174] [2021-11-23 14:30:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:30:20,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:30:22,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:30:23,457 INFO L134 CoverageAnalysis]: Checked inductivity of 7730 backedges. 3069 proven. 1011 refuted. 0 times theorem prover too weak. 3650 trivial. 0 not checked. [2021-11-23 14:30:23,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:30:23,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997179174] [2021-11-23 14:30:23,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997179174] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:30:23,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847238871] [2021-11-23 14:30:23,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-23 14:30:23,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:30:23,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 [2021-11-23 14:30:23,459 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:30:23,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_caf2ede9-7587-457a-97ba-0a8ec22b22d6/bin/ugemcutter-aZbSL5k0Dw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-23 14:30:26,345 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-23 14:30:26,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-23 14:30:26,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 2573 conjuncts, 204 conjunts are in the unsatisfiable core [2021-11-23 14:30:26,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:30:26,555 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 6 treesize of output 5 [2021-11-23 14:30:26,644 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-23 14:30:26,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-11-23 14:30:26,765 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:26,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:26,843 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:26,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:26,981 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:26,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:27,094 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:27,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:27,276 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:27,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:27,389 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:27,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:27,491 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:27,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:27,535 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:27,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:27,638 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:27,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:27,685 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:27,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:27,783 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:27,783 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:27,906 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:27,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:27,991 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:27,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,028 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,115 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,151 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,232 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,291 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,398 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,438 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,521 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,559 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,643 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,680 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,766 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,817 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:28,905 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:28,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:28,942 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:28,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,031 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,072 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,161 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,204 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,294 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,333 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,424 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,463 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,558 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,598 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,702 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,741 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,838 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:29,879 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:29,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:29,977 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:29,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,022 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,122 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,174 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,276 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,321 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,433 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,476 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,584 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,629 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,738 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,785 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:30,909 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:30,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:30,969 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:30,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:31,086 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:31,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:31,132 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:31,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:31,239 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:31,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:31,282 INFO L354 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2021-11-23 14:30:31,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 3 case distinctions, treesize of input 17 treesize of output 30 [2021-11-23 14:30:31,646 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-23 14:30:31,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 35 treesize of output 53 [2021-11-23 14:30:31,867 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-11-23 14:30:31,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 33 [2021-11-23 14:30:32,370 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:32,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 30 treesize of output 41 [2021-11-23 14:30:32,470 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:32,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:32,603 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:32,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:32,653 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:32,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:32,789 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:32,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:32,858 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:32,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:32,996 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-23 14:30:32,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 21 treesize of output 21 [2021-11-23 14:30:33,048 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-23 14:30:33,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:33,196 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-23 14:30:33,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-11-23 14:30:33,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 14:30:33,636 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-11-23 14:30:33,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 33 [2021-11-23 14:30:33,796 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-23 14:30:33,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 26 treesize of output 33 [2021-11-23 14:30:34,240 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 14:30:34,303 INFO L354 Elim1Store]: treesize reduction 78, result has 26.4 percent of original size [2021-11-23 14:30:34,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 31 treesize of output 49 [2021-11-23 14:30:34,550 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:30:34,550 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 1 case distinctions, treesize of input 55 treesize of output 54 [2021-11-23 14:30:35,224 INFO L354 Elim1Store]: treesize reduction 48, result has 40.7 percent of original size [2021-11-23 14:30:35,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 42 treesize of output 64 [2021-11-23 14:30:35,321 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-23 14:30:35,322 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 1 case distinctions, treesize of input 28 treesize of output 27 [2021-11-23 14:30:35,380 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 20 treesize of output 12 [2021-11-23 14:30:35,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7730 backedges. 3509 proven. 762 refuted. 0 times theorem prover too weak. 3459 trivial. 0 not checked. [2021-11-23 14:30:35,711 INFO L328 TraceCheckSpWp]: Computing backward predicates...