./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:48:29,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:48:29,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:48:29,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:48:29,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:48:29,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:48:29,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:48:29,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:48:29,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:48:29,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:48:29,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:48:29,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:48:29,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:48:29,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:48:29,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:48:29,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:48:29,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:48:29,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:48:29,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:48:29,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:48:29,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:48:29,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:48:29,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:48:29,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:48:29,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:48:29,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:48:29,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:48:29,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:48:29,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:48:29,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:48:29,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:48:29,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:48:29,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:48:29,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:48:29,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:48:29,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:48:29,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:48:29,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:48:29,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:48:29,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:48:29,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:48:29,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:48:29,777 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:48:29,782 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:48:29,783 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:48:29,783 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:48:29,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:48:29,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:48:29,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:48:29,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:48:29,787 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:48:29,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:48:29,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:48:29,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:48:29,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:48:29,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:48:29,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:48:29,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:48:29,789 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:48:29,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:48:29,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:48:29,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:48:29,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:48:29,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:48:29,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:48:29,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:48:29,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:48:29,792 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:48:29,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:48:29,792 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:48:29,792 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:48:29,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:48:29,793 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_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2022-11-02 20:48:30,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:48:30,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:48:30,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:48:30,182 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:48:30,183 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:48:30,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-02 20:48:30,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/data/a1592d0f2/8f1e34bf38a04eee9330296950d8e4c2/FLAGefbdfbf8c [2022-11-02 20:48:31,472 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:48:31,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-02 20:48:31,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/data/a1592d0f2/8f1e34bf38a04eee9330296950d8e4c2/FLAGefbdfbf8c [2022-11-02 20:48:31,786 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/data/a1592d0f2/8f1e34bf38a04eee9330296950d8e4c2 [2022-11-02 20:48:31,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:48:31,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:48:31,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:31,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:48:31,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:48:31,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:31" (1/1) ... [2022-11-02 20:48:31,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1572498d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:31, skipping insertion in model container [2022-11-02 20:48:31,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:48:31" (1/1) ... [2022-11-02 20:48:31,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:48:32,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:48:37,035 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_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-11-02 20:48:37,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:37,177 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:48:37,841 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_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-11-02 20:48:37,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:48:38,164 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:48:38,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38 WrapperNode [2022-11-02 20:48:38,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:48:38,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:38,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:48:38,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:48:38,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:38,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:38,837 INFO L138 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2022-11-02 20:48:38,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:48:38,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:48:38,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:48:38,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:48:38,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:38,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:38,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:38,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,289 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:48:39,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:48:39,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:48:39,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:48:39,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (1/1) ... [2022-11-02 20:48:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:48:39,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:48:39,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:48:39,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:48:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-11-02 20:48:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-11-02 20:48:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-11-02 20:48:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-11-02 20:48:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-02 20:48:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-02 20:48:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-11-02 20:48:39,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-11-02 20:48:39,462 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-02 20:48:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-02 20:48:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-11-02 20:48:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-11-02 20:48:39,463 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-11-02 20:48:39,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-11-02 20:48:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-02 20:48:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-11-02 20:48:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-11-02 20:48:39,464 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-02 20:48:39,464 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-02 20:48:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-11-02 20:48:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-11-02 20:48:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 20:48:39,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 20:48:39,465 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-11-02 20:48:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-11-02 20:48:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-11-02 20:48:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-11-02 20:48:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-11-02 20:48:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-11-02 20:48:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-02 20:48:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-02 20:48:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-11-02 20:48:39,467 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-11-02 20:48:39,467 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-11-02 20:48:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-11-02 20:48:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:48:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:48:39,468 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-11-02 20:48:39,468 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-11-02 20:48:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-11-02 20:48:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-11-02 20:48:39,469 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-02 20:48:39,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-02 20:48:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-11-02 20:48:39,470 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-11-02 20:48:39,470 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-11-02 20:48:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-11-02 20:48:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-11-02 20:48:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-02 20:48:39,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-02 20:48:39,471 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-02 20:48:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-02 20:48:39,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-11-02 20:48:39,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-11-02 20:48:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-11-02 20:48:39,473 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-11-02 20:48:39,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:48:39,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:48:39,475 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-11-02 20:48:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-11-02 20:48:39,476 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-11-02 20:48:39,476 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-11-02 20:48:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:48:39,477 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:48:39,477 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-11-02 20:48:39,478 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-11-02 20:48:39,478 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-11-02 20:48:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-11-02 20:48:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-11-02 20:48:39,479 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-11-02 20:48:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-11-02 20:48:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-11-02 20:48:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-11-02 20:48:39,480 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-11-02 20:48:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-11-02 20:48:39,481 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-11-02 20:48:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:48:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:48:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-11-02 20:48:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-11-02 20:48:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-11-02 20:48:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-11-02 20:48:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-11-02 20:48:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-11-02 20:48:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-11-02 20:48:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-11-02 20:48:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-11-02 20:48:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-11-02 20:48:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-02 20:48:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-02 20:48:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-02 20:48:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-11-02 20:48:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-11-02 20:48:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-11-02 20:48:39,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-11-02 20:48:39,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 20:48:39,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 20:48:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:48:39,488 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:48:39,488 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-11-02 20:48:39,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-11-02 20:48:39,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:48:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-11-02 20:48:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-11-02 20:48:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-11-02 20:48:39,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-11-02 20:48:39,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:48:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:48:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-11-02 20:48:39,492 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-11-02 20:48:39,492 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-11-02 20:48:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-11-02 20:48:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-02 20:48:39,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-02 20:48:39,493 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-11-02 20:48:39,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-11-02 20:48:39,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:48:39,495 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-11-02 20:48:39,496 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-11-02 20:48:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-11-02 20:48:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-11-02 20:48:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:48:39,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:48:39,497 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-11-02 20:48:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-11-02 20:48:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-11-02 20:48:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-11-02 20:48:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:48:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-11-02 20:48:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-11-02 20:48:39,498 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-11-02 20:48:39,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-11-02 20:48:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-11-02 20:48:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-11-02 20:48:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-11-02 20:48:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-11-02 20:48:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:48:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-11-02 20:48:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-11-02 20:48:39,499 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-11-02 20:48:39,499 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-11-02 20:48:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:48:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:48:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-11-02 20:48:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-11-02 20:48:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-11-02 20:48:39,500 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-11-02 20:48:39,500 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-11-02 20:48:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-11-02 20:48:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-02 20:48:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-02 20:48:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-11-02 20:48:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-11-02 20:48:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-11-02 20:48:39,501 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-11-02 20:48:39,501 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-02 20:48:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-02 20:48:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-11-02 20:48:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-11-02 20:48:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-11-02 20:48:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-11-02 20:48:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2022-11-02 20:48:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2022-11-02 20:48:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-02 20:48:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-02 20:48:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-11-02 20:48:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-11-02 20:48:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-11-02 20:48:39,503 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-11-02 20:48:39,503 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-11-02 20:48:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-11-02 20:48:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:48:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-02 20:48:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-02 20:48:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-11-02 20:48:39,504 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-11-02 20:48:39,504 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-02 20:48:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-02 20:48:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:48:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-11-02 20:48:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-11-02 20:48:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-02 20:48:39,505 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-02 20:48:39,505 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-11-02 20:48:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-11-02 20:48:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:48:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:48:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-02 20:48:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-11-02 20:48:39,506 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-11-02 20:48:39,506 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-02 20:48:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-02 20:48:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-11-02 20:48:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-11-02 20:48:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-11-02 20:48:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-11-02 20:48:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-11-02 20:48:39,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-11-02 20:48:39,507 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-02 20:48:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-02 20:48:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-11-02 20:48:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-11-02 20:48:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-11-02 20:48:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-11-02 20:48:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-02 20:48:39,508 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-02 20:48:39,508 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-11-02 20:48:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-11-02 20:48:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-11-02 20:48:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-11-02 20:48:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-02 20:48:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-02 20:48:39,509 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-11-02 20:48:39,509 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-11-02 20:48:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-11-02 20:48:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-11-02 20:48:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-11-02 20:48:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-11-02 20:48:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-11-02 20:48:39,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-11-02 20:48:39,510 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-11-02 20:48:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-11-02 20:48:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-02 20:48:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-02 20:48:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-11-02 20:48:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-11-02 20:48:39,511 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:48:39,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:48:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:48:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:48:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-11-02 20:48:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-11-02 20:48:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-11-02 20:48:39,512 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-11-02 20:48:39,512 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-11-02 20:48:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-11-02 20:48:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-11-02 20:48:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-11-02 20:48:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:48:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:48:39,513 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-11-02 20:48:39,513 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-11-02 20:48:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:48:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:48:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-11-02 20:48:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-11-02 20:48:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-02 20:48:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-02 20:48:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2022-11-02 20:48:39,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2022-11-02 20:48:39,514 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-11-02 20:48:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-11-02 20:48:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-11-02 20:48:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-11-02 20:48:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-02 20:48:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-02 20:48:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-11-02 20:48:39,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-11-02 20:48:39,515 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-11-02 20:48:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-11-02 20:48:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:48:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-11-02 20:48:39,516 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-11-02 20:48:39,516 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-11-02 20:48:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-11-02 20:48:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-11-02 20:48:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-11-02 20:48:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-11-02 20:48:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-11-02 20:48:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-11-02 20:48:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-11-02 20:48:39,517 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-11-02 20:48:39,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-11-02 20:48:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-11-02 20:48:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-11-02 20:48:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-11-02 20:48:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-11-02 20:48:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-02 20:48:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-02 20:48:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-11-02 20:48:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-11-02 20:48:39,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-11-02 20:48:39,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-11-02 20:48:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-11-02 20:48:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-11-02 20:48:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-11-02 20:48:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-11-02 20:48:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:48:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:48:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-11-02 20:48:39,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-11-02 20:48:39,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:48:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:48:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-02 20:48:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-02 20:48:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-11-02 20:48:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-11-02 20:48:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-02 20:48:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-02 20:48:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:48:39,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:48:39,520 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-11-02 20:48:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-11-02 20:48:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:48:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:48:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-11-02 20:48:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-11-02 20:48:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-11-02 20:48:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-11-02 20:48:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-11-02 20:48:39,521 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-11-02 20:48:39,521 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-11-02 20:48:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-11-02 20:48:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-02 20:48:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-02 20:48:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-11-02 20:48:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-11-02 20:48:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-11-02 20:48:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-11-02 20:48:39,522 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-11-02 20:48:39,522 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-11-02 20:48:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-11-02 20:48:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-11-02 20:48:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-02 20:48:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-02 20:48:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:48:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:48:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:48:39,523 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-02 20:48:39,523 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-02 20:48:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-11-02 20:48:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-11-02 20:48:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:48:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-11-02 20:48:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-11-02 20:48:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-02 20:48:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-02 20:48:39,524 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-11-02 20:48:39,524 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-11-02 20:48:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-11-02 20:48:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-11-02 20:48:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-02 20:48:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-02 20:48:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-11-02 20:48:39,525 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-11-02 20:48:39,525 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-11-02 20:48:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-11-02 20:48:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-11-02 20:48:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-11-02 20:48:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:48:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-11-02 20:48:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-11-02 20:48:39,526 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-11-02 20:48:39,526 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-11-02 20:48:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:48:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:48:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-02 20:48:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-02 20:48:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:48:39,527 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:48:39,527 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-11-02 20:48:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-11-02 20:48:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:48:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:48:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-02 20:48:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-02 20:48:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-11-02 20:48:39,528 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-11-02 20:48:39,528 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-11-02 20:48:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-11-02 20:48:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-11-02 20:48:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-11-02 20:48:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-02 20:48:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-02 20:48:39,529 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-11-02 20:48:39,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-11-02 20:48:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-11-02 20:48:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-11-02 20:48:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-11-02 20:48:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-11-02 20:48:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-11-02 20:48:39,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-11-02 20:48:39,530 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-11-02 20:48:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-11-02 20:48:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-02 20:48:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-02 20:48:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-11-02 20:48:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-11-02 20:48:39,531 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-11-02 20:48:39,531 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-11-02 20:48:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-11-02 20:48:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-11-02 20:48:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-11-02 20:48:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-11-02 20:48:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-11-02 20:48:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-11-02 20:48:39,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-11-02 20:48:39,532 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-11-02 20:48:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-11-02 20:48:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-11-02 20:48:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-11-02 20:48:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-11-02 20:48:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-11-02 20:48:39,533 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-11-02 20:48:39,533 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:48:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:48:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-11-02 20:48:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-11-02 20:48:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-11-02 20:48:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:48:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:48:39,534 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-11-02 20:48:39,534 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-11-02 20:48:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:48:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-11-02 20:48:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-11-02 20:48:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-11-02 20:48:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-11-02 20:48:39,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:48:39,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:48:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-11-02 20:48:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-11-02 20:48:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-02 20:48:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-02 20:48:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-11-02 20:48:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-11-02 20:48:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-11-02 20:48:39,536 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-11-02 20:48:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-02 20:48:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-02 20:48:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-11-02 20:48:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-11-02 20:48:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-11-02 20:48:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-11-02 20:48:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-11-02 20:48:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-11-02 20:48:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-11-02 20:48:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-11-02 20:48:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-11-02 20:48:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-11-02 20:48:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-02 20:48:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-02 20:48:39,538 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-11-02 20:48:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-11-02 20:48:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-11-02 20:48:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-11-02 20:48:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:48:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:48:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-11-02 20:48:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-11-02 20:48:39,539 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-11-02 20:48:39,539 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-11-02 20:48:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-02 20:48:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-02 20:48:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-11-02 20:48:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-11-02 20:48:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-11-02 20:48:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-11-02 20:48:39,540 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-11-02 20:48:39,540 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-11-02 20:48:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-02 20:48:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-02 20:48:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-11-02 20:48:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-11-02 20:48:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-02 20:48:39,541 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-02 20:48:39,541 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-11-02 20:48:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-11-02 20:48:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-11-02 20:48:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-11-02 20:48:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-11-02 20:48:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-11-02 20:48:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-11-02 20:48:39,542 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-11-02 20:48:39,542 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-11-02 20:48:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-11-02 20:48:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-11-02 20:48:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-11-02 20:48:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-11-02 20:48:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-11-02 20:48:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-11-02 20:48:39,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:48:39,543 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:48:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:48:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:48:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-11-02 20:48:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-11-02 20:48:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-11-02 20:48:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-11-02 20:48:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-11-02 20:48:39,544 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-11-02 20:48:39,544 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-11-02 20:48:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-11-02 20:48:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-11-02 20:48:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-11-02 20:48:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-02 20:48:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-02 20:48:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-02 20:48:39,546 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-11-02 20:48:39,546 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-11-02 20:48:41,386 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:48:41,392 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:48:42,377 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:48:55,334 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:48:55,387 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:48:55,387 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:48:55,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:55 BoogieIcfgContainer [2022-11-02 20:48:55,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:48:55,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:48:55,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:48:55,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:48:55,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:48:31" (1/3) ... [2022-11-02 20:48:55,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71457903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:55, skipping insertion in model container [2022-11-02 20:48:55,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:48:38" (2/3) ... [2022-11-02 20:48:55,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71457903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:48:55, skipping insertion in model container [2022-11-02 20:48:55,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:48:55" (3/3) ... [2022-11-02 20:48:55,411 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-02 20:48:55,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:48:55,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:48:55,651 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:48:55,660 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7326ab5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:48:55,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:48:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2022-11-02 20:48:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-02 20:48:55,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:48:55,725 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:55,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:48:55,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:48:55,732 INFO L85 PathProgramCache]: Analyzing trace with hash -901261265, now seen corresponding path program 1 times [2022-11-02 20:48:55,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:48:55,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067704139] [2022-11-02 20:48:55,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:48:55,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:48:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:48:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:48:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:48:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:48:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:48:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:48:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:48:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:48:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:48:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:48:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:48:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:48:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:48:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:48:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:48:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:48:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:48:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:48:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:48:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:48:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:48:57,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:48:57,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067704139] [2022-11-02 20:48:57,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067704139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:48:57,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:48:57,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:48:57,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370636523] [2022-11-02 20:48:57,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:48:57,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:48:57,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:48:57,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:48:57,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:48:57,796 INFO L87 Difference]: Start difference. First operand has 3864 states, 2495 states have (on average 1.2749498997995992) internal successors, (3181), 2578 states have internal predecessors, (3181), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:49:07,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:16,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:18,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:18,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:18,622 INFO L93 Difference]: Finished difference Result 8414 states and 12295 transitions. [2022-11-02 20:49:18,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:49:18,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-02 20:49:18,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:18,686 INFO L225 Difference]: With dead ends: 8414 [2022-11-02 20:49:18,686 INFO L226 Difference]: Without dead ends: 4534 [2022-11-02 20:49:18,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:49:18,724 INFO L413 NwaCegarLoop]: 4900 mSDtfsCounter, 4314 mSDsluCounter, 2153 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 5024 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4423 SdHoareTripleChecker+Valid, 7053 SdHoareTripleChecker+Invalid, 7307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5024 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:18,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4423 Valid, 7053 Invalid, 7307 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5024 Valid, 2282 Invalid, 1 Unknown, 0 Unchecked, 19.7s Time] [2022-11-02 20:49:18,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4534 states. [2022-11-02 20:49:19,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4534 to 3843. [2022-11-02 20:49:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2482 states have (on average 1.2695406929895245) internal successors, (3151), 2557 states have internal predecessors, (3151), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2022-11-02 20:49:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5385 transitions. [2022-11-02 20:49:19,150 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5385 transitions. Word has length 253 [2022-11-02 20:49:19,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:19,153 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 5385 transitions. [2022-11-02 20:49:19,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:49:19,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5385 transitions. [2022-11-02 20:49:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-02 20:49:19,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:19,170 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:19,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:49:19,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:19,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:19,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1699436963, now seen corresponding path program 1 times [2022-11-02 20:49:19,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:19,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402397401] [2022-11-02 20:49:19,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:49:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:49:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:19,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:49:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:49:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:49:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:49:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:49:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:49:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:49:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:49:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:49:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:49:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:49:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:49:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:49:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:49:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:49:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:20,559 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:49:20,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:20,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402397401] [2022-11-02 20:49:20,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402397401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:20,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:20,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:49:20,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744766512] [2022-11-02 20:49:20,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:20,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:49:20,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:49:20,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:49:20,567 INFO L87 Difference]: Start difference. First operand 3843 states and 5385 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:49:24,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:29,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:47,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:49,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:50,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:49:53,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:53,083 INFO L93 Difference]: Finished difference Result 12831 states and 18518 transitions. [2022-11-02 20:49:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:49:53,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-02 20:49:53,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:53,170 INFO L225 Difference]: With dead ends: 12831 [2022-11-02 20:49:53,171 INFO L226 Difference]: Without dead ends: 9021 [2022-11-02 20:49:53,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:49:53,203 INFO L413 NwaCegarLoop]: 6138 mSDtfsCounter, 13130 mSDsluCounter, 5999 mSDsCounter, 0 mSdLazyCounter, 5898 mSolverCounterSat, 10733 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13843 SdHoareTripleChecker+Valid, 12137 SdHoareTripleChecker+Invalid, 16632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10733 IncrementalHoareTripleChecker+Valid, 5898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:53,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13843 Valid, 12137 Invalid, 16632 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10733 Valid, 5898 Invalid, 1 Unknown, 0 Unchecked, 31.2s Time] [2022-11-02 20:49:53,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9021 states. [2022-11-02 20:49:53,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9021 to 7636. [2022-11-02 20:49:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7636 states, 4935 states have (on average 1.2705167173252279) internal successors, (6270), 5084 states have internal predecessors, (6270), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2022-11-02 20:49:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7636 states to 7636 states and 10702 transitions. [2022-11-02 20:49:53,798 INFO L78 Accepts]: Start accepts. Automaton has 7636 states and 10702 transitions. Word has length 253 [2022-11-02 20:49:53,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:53,802 INFO L495 AbstractCegarLoop]: Abstraction has 7636 states and 10702 transitions. [2022-11-02 20:49:53,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 20:49:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7636 states and 10702 transitions. [2022-11-02 20:49:53,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-11-02 20:49:53,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:53,824 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:53,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:49:53,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:53,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:53,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1091692974, now seen corresponding path program 1 times [2022-11-02 20:49:53,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:53,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102422835] [2022-11-02 20:49:53,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:53,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:49:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:49:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:49:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:49:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:49:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:49:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:49:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:49:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:49:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:49:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:49:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:49:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:49:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:49:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:49:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:49:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:49:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:54,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 20:49:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:49:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:49:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:49:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:49:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:49:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:49:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-11-02 20:49:55,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:55,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102422835] [2022-11-02 20:49:55,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102422835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:55,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:55,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:49:55,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818540564] [2022-11-02 20:49:55,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:55,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:49:55,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:55,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:49:55,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:49:55,194 INFO L87 Difference]: Start difference. First operand 7636 states and 10702 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-02 20:50:17,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:50:22,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:50:45,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:50:48,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:48,218 INFO L93 Difference]: Finished difference Result 26594 states and 38841 transitions. [2022-11-02 20:50:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:50:48,219 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 335 [2022-11-02 20:50:48,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:48,353 INFO L225 Difference]: With dead ends: 26594 [2022-11-02 20:50:48,353 INFO L226 Difference]: Without dead ends: 18997 [2022-11-02 20:50:48,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:50:48,401 INFO L413 NwaCegarLoop]: 5583 mSDtfsCounter, 13324 mSDsluCounter, 6540 mSDsCounter, 0 mSdLazyCounter, 10814 mSolverCounterSat, 12914 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14470 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 23728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12914 IncrementalHoareTripleChecker+Valid, 10814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:48,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14470 Valid, 12123 Invalid, 23728 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12914 Valid, 10814 Invalid, 0 Unknown, 0 Unchecked, 49.8s Time] [2022-11-02 20:50:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18997 states. [2022-11-02 20:50:50,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18997 to 13073. [2022-11-02 20:50:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 8382 states have (on average 1.2581722739203054) internal successors, (10546), 8675 states have internal predecessors, (10546), 3781 states have call successors, (3781), 909 states have call predecessors, (3781), 909 states have return successors, (3783), 3662 states have call predecessors, (3783), 3779 states have call successors, (3783) [2022-11-02 20:50:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 18110 transitions. [2022-11-02 20:50:50,239 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 18110 transitions. Word has length 335 [2022-11-02 20:50:50,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:50,240 INFO L495 AbstractCegarLoop]: Abstraction has 13073 states and 18110 transitions. [2022-11-02 20:50:50,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-02 20:50:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 18110 transitions. [2022-11-02 20:50:50,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-02 20:50:50,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:50,251 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:50,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:50:50,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:50:50,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:50,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1543422985, now seen corresponding path program 1 times [2022-11-02 20:50:50,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:50,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633198295] [2022-11-02 20:50:50,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:50:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:50:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:50:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:50:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:50:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:50:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:50:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:50:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:50:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:50:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:50:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:50:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:50:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:50:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:50:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:50:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:50:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-02 20:50:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-02 20:50:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-02 20:50:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-02 20:50:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-02 20:50:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-02 20:50:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-02 20:50:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:50:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:50:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:51,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633198295] [2022-11-02 20:50:51,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633198295] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:50:51,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883888479] [2022-11-02 20:50:51,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:51,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:50:51,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:51,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:50:51,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:50:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:53,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 3713 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:50:53,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:50:53,684 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-02 20:50:53,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:50:53,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883888479] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:50:53,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:50:53,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-11-02 20:50:53,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418672117] [2022-11-02 20:50:53,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:50:53,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:50:53,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:50:53,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:50:53,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:50:53,687 INFO L87 Difference]: Start difference. First operand 13073 states and 18110 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-02 20:50:55,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:50:55,788 INFO L93 Difference]: Finished difference Result 26219 states and 36640 transitions. [2022-11-02 20:50:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:50:55,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 326 [2022-11-02 20:50:55,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:50:55,873 INFO L225 Difference]: With dead ends: 26219 [2022-11-02 20:50:55,873 INFO L226 Difference]: Without dead ends: 13185 [2022-11-02 20:50:55,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:50:55,953 INFO L413 NwaCegarLoop]: 5380 mSDtfsCounter, 22 mSDsluCounter, 16109 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21489 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:50:55,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21489 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:50:55,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13185 states. [2022-11-02 20:50:57,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13185 to 13185. [2022-11-02 20:50:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13185 states, 8458 states have (on average 1.25632537242847) internal successors, (10626), 8751 states have internal predecessors, (10626), 3809 states have call successors, (3809), 917 states have call predecessors, (3809), 917 states have return successors, (3811), 3690 states have call predecessors, (3811), 3807 states have call successors, (3811) [2022-11-02 20:50:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13185 states to 13185 states and 18246 transitions. [2022-11-02 20:50:57,547 INFO L78 Accepts]: Start accepts. Automaton has 13185 states and 18246 transitions. Word has length 326 [2022-11-02 20:50:57,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:50:57,548 INFO L495 AbstractCegarLoop]: Abstraction has 13185 states and 18246 transitions. [2022-11-02 20:50:57,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 4 states have internal predecessors, (99), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-02 20:50:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 13185 states and 18246 transitions. [2022-11-02 20:50:57,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2022-11-02 20:50:57,566 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:50:57,567 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:50:57,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:50:57,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:50:57,780 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:50:57,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:50:57,780 INFO L85 PathProgramCache]: Analyzing trace with hash 178096419, now seen corresponding path program 1 times [2022-11-02 20:50:57,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:50:57,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676206883] [2022-11-02 20:50:57,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:57,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:50:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:50:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:50:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:50:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:50:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:50:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:50:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:50:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:50:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:50:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:50:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:50:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:50:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:50:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:50:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:50:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:50:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:50:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:50:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-02 20:50:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-02 20:50:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 20:50:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:50:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:50:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:50:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-11-02 20:50:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-02 20:50:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 20:50:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-02 20:50:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:50:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-02 20:50:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-02 20:50:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-02 20:50:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:50:59,597 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-11-02 20:50:59,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:50:59,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676206883] [2022-11-02 20:50:59,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676206883] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:50:59,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118132590] [2022-11-02 20:50:59,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:50:59,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:50:59,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:59,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:50:59,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:51:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:01,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 3985 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:51:01,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-11-02 20:51:01,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:01,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118132590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:01,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:51:01,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-11-02 20:51:01,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624680036] [2022-11-02 20:51:01,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:01,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:01,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:01,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:01,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:51:01,571 INFO L87 Difference]: Start difference. First operand 13185 states and 18246 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-02 20:51:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:03,544 INFO L93 Difference]: Finished difference Result 26463 states and 36968 transitions. [2022-11-02 20:51:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:51:03,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 362 [2022-11-02 20:51:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:03,636 INFO L225 Difference]: With dead ends: 26463 [2022-11-02 20:51:03,637 INFO L226 Difference]: Without dead ends: 13317 [2022-11-02 20:51:03,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:51:03,723 INFO L413 NwaCegarLoop]: 5381 mSDtfsCounter, 25 mSDsluCounter, 16115 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21496 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:03,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21496 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13317 states. [2022-11-02 20:51:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13317 to 13309. [2022-11-02 20:51:05,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13309 states, 8542 states have (on average 1.2552095527979397) internal successors, (10722), 8835 states have internal predecessors, (10722), 3841 states have call successors, (3841), 925 states have call predecessors, (3841), 925 states have return successors, (3855), 3722 states have call predecessors, (3855), 3839 states have call successors, (3855) [2022-11-02 20:51:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13309 states to 13309 states and 18418 transitions. [2022-11-02 20:51:05,218 INFO L78 Accepts]: Start accepts. Automaton has 13309 states and 18418 transitions. Word has length 362 [2022-11-02 20:51:05,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:05,219 INFO L495 AbstractCegarLoop]: Abstraction has 13309 states and 18418 transitions. [2022-11-02 20:51:05,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-02 20:51:05,220 INFO L276 IsEmpty]: Start isEmpty. Operand 13309 states and 18418 transitions. [2022-11-02 20:51:05,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-11-02 20:51:05,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:05,239 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:05,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:51:05,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:51:05,454 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:05,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1251783846, now seen corresponding path program 1 times [2022-11-02 20:51:05,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:05,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799977573] [2022-11-02 20:51:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:51:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:51:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:51:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:51:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:51:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:51:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:51:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:51:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:51:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:51:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:51:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:51:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:51:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:51:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:51:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:51:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:51:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:51:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 20:51:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-02 20:51:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:51:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:51:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:06,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-11-02 20:51:06,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:06,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799977573] [2022-11-02 20:51:06,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799977573] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:51:06,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [956520015] [2022-11-02 20:51:06,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:06,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:51:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:51:06,682 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:51:06,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 20:51:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:08,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 4353 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:51:08,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:51:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-11-02 20:51:08,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:51:08,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [956520015] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:08,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:51:08,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2022-11-02 20:51:08,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372895782] [2022-11-02 20:51:08,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:08,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:08,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:08,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:08,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:51:08,926 INFO L87 Difference]: Start difference. First operand 13309 states and 18418 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:51:11,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:11,370 INFO L93 Difference]: Finished difference Result 32840 states and 45410 transitions. [2022-11-02 20:51:11,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:11,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 393 [2022-11-02 20:51:11,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:11,484 INFO L225 Difference]: With dead ends: 32840 [2022-11-02 20:51:11,484 INFO L226 Difference]: Without dead ends: 19570 [2022-11-02 20:51:11,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:51:11,550 INFO L413 NwaCegarLoop]: 7285 mSDtfsCounter, 4966 mSDsluCounter, 4470 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4966 SdHoareTripleChecker+Valid, 11755 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:11,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4966 Valid, 11755 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:51:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19570 states. [2022-11-02 20:51:13,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19570 to 19556. [2022-11-02 20:51:13,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19556 states, 12590 states have (on average 1.253296266878475) internal successors, (15779), 13030 states have internal predecessors, (15779), 5582 states have call successors, (5582), 1383 states have call predecessors, (5582), 1383 states have return successors, (5602), 5404 states have call predecessors, (5602), 5580 states have call successors, (5602) [2022-11-02 20:51:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19556 states to 19556 states and 26963 transitions. [2022-11-02 20:51:13,974 INFO L78 Accepts]: Start accepts. Automaton has 19556 states and 26963 transitions. Word has length 393 [2022-11-02 20:51:13,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:13,975 INFO L495 AbstractCegarLoop]: Abstraction has 19556 states and 26963 transitions. [2022-11-02 20:51:13,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-02 20:51:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 19556 states and 26963 transitions. [2022-11-02 20:51:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-02 20:51:14,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:14,005 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:14,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:51:14,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2edcd8-3c66-468c-bf6c-57d63edec8b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 20:51:14,222 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:51:14,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:14,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1710850680, now seen corresponding path program 1 times [2022-11-02 20:51:14,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:14,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353437007] [2022-11-02 20:51:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-02 20:51:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:51:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:51:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:51:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-02 20:51:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:51:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:14,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-02 20:51:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-02 20:51:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-02 20:51:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-02 20:51:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-02 20:51:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-02 20:51:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-02 20:51:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-02 20:51:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 20:51:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-02 20:51:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-02 20:51:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-02 20:51:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-02 20:51:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-02 20:51:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-11-02 20:51:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-02 20:51:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:51:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:51:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:51:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 20:51:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:51:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:51:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-11-02 20:51:15,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:15,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353437007] [2022-11-02 20:51:15,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353437007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:15,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:15,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:51:15,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728196552] [2022-11-02 20:51:15,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:15,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:51:15,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:15,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:51:15,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:51:15,651 INFO L87 Difference]: Start difference. First operand 19556 states and 26963 transitions. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (41), 9 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-02 20:51:30,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:51:43,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:51:46,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []