./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--scsi--fcoe--fcoe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 13:25:53,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:25:53,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:25:53,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:25:53,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:25:53,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:25:53,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:25:53,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:25:53,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:25:53,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:25:53,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:25:53,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:25:53,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:25:53,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:25:53,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:25:53,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:25:53,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:25:53,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:25:53,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:25:53,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:25:53,680 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:25:53,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:25:53,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:25:53,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:25:53,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:25:53,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:25:53,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:25:53,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:25:53,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:25:53,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:25:53,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:25:53,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:25:53,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:25:53,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:25:53,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:25:53,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:25:53,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:25:53,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:25:53,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:25:53,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:25:53,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:25:53,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:25:53,706 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:25:53,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:25:53,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:25:53,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:25:53,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:25:53,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:25:53,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:25:53,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:25:53,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:25:53,731 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:25:53,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:25:53,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:25:53,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:25:53,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:25:53,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:25:53,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:25:53,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:25:53,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:25:53,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:25:53,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:25:53,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:25:53,735 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2022-07-12 13:25:53,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:25:53,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:25:53,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:25:53,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:25:53,979 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:25:53,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-07-12 13:25:54,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326f1c450/7bf2cb3441d84b4fa6e5b986d8bd90fd/FLAGf7d28a16f [2022-07-12 13:25:54,736 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:25:54,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-07-12 13:25:54,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326f1c450/7bf2cb3441d84b4fa6e5b986d8bd90fd/FLAGf7d28a16f [2022-07-12 13:25:55,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/326f1c450/7bf2cb3441d84b4fa6e5b986d8bd90fd [2022-07-12 13:25:55,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:25:55,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:25:55,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:25:55,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:25:55,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:25:55,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:25:55" (1/1) ... [2022-07-12 13:25:55,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e93e83e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:55, skipping insertion in model container [2022-07-12 13:25:55,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:25:55" (1/1) ... [2022-07-12 13:25:55,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:25:55,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:25:57,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-07-12 13:25:58,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:25:58,053 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:25:58,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-07-12 13:25:58,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:25:58,535 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:25:58,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58 WrapperNode [2022-07-12 13:25:58,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:25:58,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:25:58,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:25:58,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:25:58,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,766 INFO L137 Inliner]: procedures = 420, calls = 2207, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6279 [2022-07-12 13:25:58,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:25:58,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:25:58,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:25:58,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:25:58,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:58,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:59,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:59,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:25:59,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:25:59,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:25:59,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:25:59,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (1/1) ... [2022-07-12 13:25:59,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:25:59,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:25:59,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 13:25:59,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 13:25:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-07-12 13:25:59,105 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-07-12 13:25:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-07-12 13:25:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-07-12 13:25:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-07-12 13:25:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-07-12 13:25:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 13:25:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-07-12 13:25:59,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-07-12 13:25:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-12 13:25:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-12 13:25:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 13:25:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 13:25:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 13:25:59,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 13:25:59,107 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 13:25:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 13:25:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-07-12 13:25:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-07-12 13:25:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:25:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:25:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-07-12 13:25:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-07-12 13:25:59,108 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-07-12 13:25:59,108 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-07-12 13:25:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-07-12 13:25:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-07-12 13:25:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-07-12 13:25:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-07-12 13:25:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-12 13:25:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-12 13:25:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-07-12 13:25:59,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-07-12 13:25:59,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-07-12 13:25:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-07-12 13:25:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-07-12 13:25:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-07-12 13:25:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-07-12 13:25:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-07-12 13:25:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-07-12 13:25:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-07-12 13:25:59,110 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-07-12 13:25:59,110 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-07-12 13:25:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 13:25:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 13:25:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-07-12 13:25:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-07-12 13:25:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-07-12 13:25:59,111 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-07-12 13:25:59,111 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-07-12 13:25:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-07-12 13:25:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-07-12 13:25:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-07-12 13:25:59,112 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-07-12 13:25:59,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-07-12 13:25:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 13:25:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 13:25:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 13:25:59,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 13:25:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-07-12 13:25:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-07-12 13:25:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-07-12 13:25:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-07-12 13:25:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-07-12 13:25:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-07-12 13:25:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:25:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-07-12 13:25:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-07-12 13:25:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 13:25:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 13:25:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-07-12 13:25:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-07-12 13:25:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-07-12 13:25:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-07-12 13:25:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-07-12 13:25:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-07-12 13:25:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-07-12 13:25:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-07-12 13:25:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 13:25:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 13:25:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-07-12 13:25:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-07-12 13:25:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:25:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-12 13:25:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-12 13:25:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-07-12 13:25:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-07-12 13:25:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-07-12 13:25:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-07-12 13:25:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:25:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-07-12 13:25:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-07-12 13:25:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:25:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:25:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:25:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-07-12 13:25:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-07-12 13:25:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 13:25:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 13:25:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-12 13:25:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-12 13:25:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-07-12 13:25:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-07-12 13:25:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-07-12 13:25:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-07-12 13:25:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-07-12 13:25:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-07-12 13:25:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-07-12 13:25:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-07-12 13:25:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-12 13:25:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-12 13:25:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-07-12 13:25:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-07-12 13:25:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-07-12 13:25:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-07-12 13:25:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 13:25:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 13:25:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 13:25:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 13:25:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:25:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-07-12 13:25:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-07-12 13:25:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:25:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-07-12 13:25:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-07-12 13:25:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:25:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 13:25:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-12 13:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-12 13:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 13:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-07-12 13:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-07-12 13:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-07-12 13:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-07-12 13:25:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-07-12 13:25:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-07-12 13:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-07-12 13:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-07-12 13:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 13:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 13:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-07-12 13:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-07-12 13:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-07-12 13:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-07-12 13:25:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-07-12 13:25:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-07-12 13:25:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-07-12 13:25:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-12 13:25:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-12 13:25:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:25:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:25:59,133 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-07-12 13:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-07-12 13:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 13:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 13:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 13:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 13:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-07-12 13:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-07-12 13:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-07-12 13:25:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-07-12 13:25:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-07-12 13:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-07-12 13:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-07-12 13:25:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-07-12 13:25:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 13:25:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 13:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 13:25:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 13:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 13:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-12 13:25:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-12 13:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2022-07-12 13:25:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2022-07-12 13:25:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 13:25:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-07-12 13:25:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-12 13:25:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-07-12 13:25:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 13:25:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:25:59,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:25:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-07-12 13:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-07-12 13:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 13:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 13:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-07-12 13:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-07-12 13:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-07-12 13:25:59,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-07-12 13:25:59,138 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-07-12 13:25:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-07-12 13:25:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 13:25:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 13:25:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-12 13:25:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-12 13:25:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-07-12 13:25:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-07-12 13:25:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 13:25:59,139 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 13:25:59,139 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-07-12 13:25:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-12 13:25:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 13:25:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-07-12 13:25:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-07-12 13:25:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-07-12 13:25:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-07-12 13:25:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 13:25:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 13:25:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-07-12 13:25:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-07-12 13:25:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:25:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-12 13:25:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-12 13:25:59,141 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 13:25:59,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 13:25:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-07-12 13:25:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-07-12 13:25:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-07-12 13:25:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-07-12 13:25:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 13:25:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 13:25:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 13:25:59,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 13:25:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-07-12 13:25:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-07-12 13:25:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-07-12 13:25:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-07-12 13:25:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-07-12 13:25:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-07-12 13:25:59,146 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-07-12 13:25:59,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-07-12 13:25:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 13:25:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 13:25:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-12 13:25:59,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-12 13:25:59,147 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-07-12 13:25:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-07-12 13:25:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-07-12 13:25:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-07-12 13:25:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-07-12 13:25:59,148 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-07-12 13:25:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-07-12 13:25:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 13:25:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-07-12 13:25:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 13:25:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-12 13:25:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 13:25:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-07-12 13:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-07-12 13:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-07-12 13:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-07-12 13:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 13:25:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 13:25:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-12 13:25:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-12 13:25:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-07-12 13:25:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-12 13:25:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-07-12 13:25:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-07-12 13:25:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-12 13:25:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-12 13:25:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-07-12 13:25:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-07-12 13:25:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:25:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 13:25:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 13:25:59,929 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:25:59,938 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:26:00,451 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:26:05,772 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:26:05,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:26:05,796 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:26:05,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:26:05 BoogieIcfgContainer [2022-07-12 13:26:05,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:26:05,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:26:05,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:26:05,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:26:05,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:25:55" (1/3) ... [2022-07-12 13:26:05,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df33ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:26:05, skipping insertion in model container [2022-07-12 13:26:05,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:25:58" (2/3) ... [2022-07-12 13:26:05,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df33ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:26:05, skipping insertion in model container [2022-07-12 13:26:05,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:26:05" (3/3) ... [2022-07-12 13:26:05,810 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-07-12 13:26:05,823 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:26:05,823 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:26:05,970 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:26:05,975 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4fe36e74, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f2ab458 [2022-07-12 13:26:05,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:26:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand has 2564 states, 1848 states have (on average 1.408008658008658) internal successors, (2602), 1907 states have internal predecessors, (2602), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) [2022-07-12 13:26:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-12 13:26:06,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:06,020 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:26:06,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1085373338, now seen corresponding path program 1 times [2022-07-12 13:26:06,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:06,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504013541] [2022-07-12 13:26:06,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:26:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:26:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:26:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:26:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:06,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:26:07,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:26:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:26:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:26:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:26:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:26:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:26:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:26:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:26:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:26:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:26:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:26:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:26:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:26:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:26:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:26:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:26:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:26:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:26:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:26:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-12 13:26:07,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504013541] [2022-07-12 13:26:07,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504013541] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:07,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:26:07,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:26:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631857119] [2022-07-12 13:26:07,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:07,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:26:07,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:26:07,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:26:07,901 INFO L87 Difference]: Start difference. First operand has 2564 states, 1848 states have (on average 1.408008658008658) internal successors, (2602), 1907 states have internal predecessors, (2602), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 13:26:11,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:13,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:16,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:16,548 INFO L93 Difference]: Finished difference Result 5401 states and 8053 transitions. [2022-07-12 13:26:16,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 13:26:16,553 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2022-07-12 13:26:16,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:16,592 INFO L225 Difference]: With dead ends: 5401 [2022-07-12 13:26:16,592 INFO L226 Difference]: Without dead ends: 2822 [2022-07-12 13:26:16,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:26:16,617 INFO L413 NwaCegarLoop]: 3495 mSDtfsCounter, 2894 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 2436 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 5225 SdHoareTripleChecker+Invalid, 3465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2436 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:16,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 5225 Invalid, 3465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2436 Valid, 1027 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-07-12 13:26:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-07-12 13:26:16,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2544. [2022-07-12 13:26:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 1843 states have (on average 1.4004340748779165) internal successors, (2581), 1887 states have internal predecessors, (2581), 554 states have call successors, (554), 147 states have call predecessors, (554), 146 states have return successors, (552), 542 states have call predecessors, (552), 552 states have call successors, (552) [2022-07-12 13:26:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3687 transitions. [2022-07-12 13:26:16,878 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3687 transitions. Word has length 413 [2022-07-12 13:26:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:16,880 INFO L495 AbstractCegarLoop]: Abstraction has 2544 states and 3687 transitions. [2022-07-12 13:26:16,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 13:26:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3687 transitions. [2022-07-12 13:26:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-12 13:26:16,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:16,893 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:26:16,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:26:16,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:16,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:16,894 INFO L85 PathProgramCache]: Analyzing trace with hash -821889264, now seen corresponding path program 1 times [2022-07-12 13:26:16,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:16,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504485519] [2022-07-12 13:26:16,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:26:17,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:26:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:26:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:26:17,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:26:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:26:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:26:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:26:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:26:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:26:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:26:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:26:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:26:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:26:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:26:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:17,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:26:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:26:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:26:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:26:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:26:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:26:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:26:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:26:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:26:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-12 13:26:18,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:18,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504485519] [2022-07-12 13:26:18,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504485519] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:18,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:26:18,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:26:18,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002392377] [2022-07-12 13:26:18,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:18,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:26:18,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:18,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:26:18,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:26:18,202 INFO L87 Difference]: Start difference. First operand 2544 states and 3687 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 13:26:23,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:26,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:32,616 INFO L93 Difference]: Finished difference Result 7884 states and 11684 transitions. [2022-07-12 13:26:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:26:32,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2022-07-12 13:26:32,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:32,647 INFO L225 Difference]: With dead ends: 7884 [2022-07-12 13:26:32,647 INFO L226 Difference]: Without dead ends: 5398 [2022-07-12 13:26:32,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:26:32,657 INFO L413 NwaCegarLoop]: 4606 mSDtfsCounter, 6362 mSDsluCounter, 6713 mSDsCounter, 0 mSdLazyCounter, 4195 mSolverCounterSat, 3182 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6704 SdHoareTripleChecker+Valid, 11319 SdHoareTripleChecker+Invalid, 7379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3182 IncrementalHoareTripleChecker+Valid, 4195 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:32,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6704 Valid, 11319 Invalid, 7379 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3182 Valid, 4195 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2022-07-12 13:26:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2022-07-12 13:26:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4923. [2022-07-12 13:26:32,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4923 states, 3572 states have (on average 1.4042553191489362) internal successors, (5016), 3660 states have internal predecessors, (5016), 1057 states have call successors, (1057), 288 states have call predecessors, (1057), 293 states have return successors, (1114), 1041 states have call predecessors, (1114), 1055 states have call successors, (1114) [2022-07-12 13:26:32,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 7187 transitions. [2022-07-12 13:26:32,836 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 7187 transitions. Word has length 413 [2022-07-12 13:26:32,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:32,837 INFO L495 AbstractCegarLoop]: Abstraction has 4923 states and 7187 transitions. [2022-07-12 13:26:32,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 13:26:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 7187 transitions. [2022-07-12 13:26:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-12 13:26:32,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:32,849 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:26:32,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:26:32,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:32,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:32,850 INFO L85 PathProgramCache]: Analyzing trace with hash -130404555, now seen corresponding path program 1 times [2022-07-12 13:26:32,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:32,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389091195] [2022-07-12 13:26:32,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:26:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:26:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:26:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:26:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:26:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:26:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:26:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:26:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:26:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:26:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:26:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:26:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:26:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:26:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:26:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:26:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:26:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:26:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:26:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:26:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:26:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:26:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:26:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:26:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 13:26:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-12 13:26:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 13:26:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 13:26:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 13:26:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 13:26:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:34,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-12 13:26:34,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:34,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389091195] [2022-07-12 13:26:34,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389091195] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:34,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:26:34,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:26:34,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980482965] [2022-07-12 13:26:34,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:34,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:26:34,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:34,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:26:34,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:26:34,035 INFO L87 Difference]: Start difference. First operand 4923 states and 7187 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 13:26:38,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:40,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:42,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:26:52,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:52,251 INFO L93 Difference]: Finished difference Result 15895 states and 23727 transitions. [2022-07-12 13:26:52,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:26:52,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 456 [2022-07-12 13:26:52,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:52,305 INFO L225 Difference]: With dead ends: 15895 [2022-07-12 13:26:52,305 INFO L226 Difference]: Without dead ends: 11046 [2022-07-12 13:26:52,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:26:52,324 INFO L413 NwaCegarLoop]: 3776 mSDtfsCounter, 7250 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 6666 mSolverCounterSat, 3670 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7669 SdHoareTripleChecker+Valid, 12496 SdHoareTripleChecker+Invalid, 10339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3670 IncrementalHoareTripleChecker+Valid, 6666 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:52,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7669 Valid, 12496 Invalid, 10339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3670 Valid, 6666 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2022-07-12 13:26:52,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11046 states. [2022-07-12 13:26:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11046 to 9789. [2022-07-12 13:26:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9789 states, 7096 states have (on average 1.402621195039459) internal successors, (9953), 7279 states have internal predecessors, (9953), 2088 states have call successors, (2088), 568 states have call predecessors, (2088), 604 states have return successors, (2403), 2086 states have call predecessors, (2403), 2086 states have call successors, (2403) [2022-07-12 13:26:52,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9789 states to 9789 states and 14444 transitions. [2022-07-12 13:26:52,662 INFO L78 Accepts]: Start accepts. Automaton has 9789 states and 14444 transitions. Word has length 456 [2022-07-12 13:26:52,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:52,665 INFO L495 AbstractCegarLoop]: Abstraction has 9789 states and 14444 transitions. [2022-07-12 13:26:52,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-12 13:26:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 9789 states and 14444 transitions. [2022-07-12 13:26:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-12 13:26:52,678 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:52,679 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:26:52,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:26:52,679 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:52,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:52,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1782524724, now seen corresponding path program 1 times [2022-07-12 13:26:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:52,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506495171] [2022-07-12 13:26:52,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:52,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:26:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:26:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:26:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:26:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:26:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:26:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:26:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:26:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:26:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:26:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:26:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:26:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:26:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:26:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:26:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:26:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:26:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:26:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:26:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:26:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:26:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:26:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:26:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:26:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 13:26:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 13:26:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 13:26:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 13:26:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 13:26:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 13:26:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 13:26:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:26:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 13:26:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:26:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 13:26:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 13:26:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 13:26:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 13:26:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:26:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-12 13:26:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-12 13:26:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-12 13:26:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-12 13:26:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 13:26:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-12 13:26:54,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:54,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506495171] [2022-07-12 13:26:54,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506495171] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:54,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27668234] [2022-07-12 13:26:54,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:54,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:54,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 13:26:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:55,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 6213 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:26:55,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:26:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-12 13:26:55,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:26:55,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27668234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:55,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:26:55,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 13:26:55,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767058050] [2022-07-12 13:26:55,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:55,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:26:55,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:55,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:26:55,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:26:55,764 INFO L87 Difference]: Start difference. First operand 9789 states and 14444 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-07-12 13:26:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:56,003 INFO L93 Difference]: Finished difference Result 19336 states and 28856 transitions. [2022-07-12 13:26:56,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:26:56,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 566 [2022-07-12 13:26:56,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:56,063 INFO L225 Difference]: With dead ends: 19336 [2022-07-12 13:26:56,063 INFO L226 Difference]: Without dead ends: 9621 [2022-07-12 13:26:56,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:26:56,113 INFO L413 NwaCegarLoop]: 3600 mSDtfsCounter, 0 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7194 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:56,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7194 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:26:56,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2022-07-12 13:26:56,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9621. [2022-07-12 13:26:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9621 states, 6928 states have (on average 1.388135103926097) internal successors, (9617), 7111 states have internal predecessors, (9617), 2088 states have call successors, (2088), 568 states have call predecessors, (2088), 604 states have return successors, (2403), 2086 states have call predecessors, (2403), 2086 states have call successors, (2403) [2022-07-12 13:26:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9621 states to 9621 states and 14108 transitions. [2022-07-12 13:26:56,450 INFO L78 Accepts]: Start accepts. Automaton has 9621 states and 14108 transitions. Word has length 566 [2022-07-12 13:26:56,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:26:56,451 INFO L495 AbstractCegarLoop]: Abstraction has 9621 states and 14108 transitions. [2022-07-12 13:26:56,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-07-12 13:26:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9621 states and 14108 transitions. [2022-07-12 13:26:56,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2022-07-12 13:26:56,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:26:56,462 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:26:56,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:26:56,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:56,676 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:26:56,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:26:56,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1200379562, now seen corresponding path program 1 times [2022-07-12 13:26:56,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:26:56,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683538123] [2022-07-12 13:26:56,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:26:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:26:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:26:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:26:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:26:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:26:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:26:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:26:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:26:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:26:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:26:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:26:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:26:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:26:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:26:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:26:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:26:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:26:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:26:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:26:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:26:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:26:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:26:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:26:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:26:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:26:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:26:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:26:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:26:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:26:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:26:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 13:26:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 13:26:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 13:26:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 13:26:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:57,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 13:26:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 13:26:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 13:26:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:26:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:26:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:26:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 13:26:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:26:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 13:26:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 13:26:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 13:26:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 13:26:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:26:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-12 13:26:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-12 13:26:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-12 13:26:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 13:26:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-12 13:26:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-12 13:26:58,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:26:58,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683538123] [2022-07-12 13:26:58,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683538123] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:26:58,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150163850] [2022-07-12 13:26:58,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:26:58,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:26:58,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:26:58,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 13:26:58,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 13:26:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:26:59,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 6216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:26:59,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:26:59,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-12 13:26:59,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:26:59,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150163850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:26:59,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:26:59,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-12 13:26:59,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709820861] [2022-07-12 13:26:59,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:26:59,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:26:59,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:26:59,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:26:59,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:26:59,570 INFO L87 Difference]: Start difference. First operand 9621 states and 14108 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-07-12 13:26:59,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:26:59,779 INFO L93 Difference]: Finished difference Result 19148 states and 28464 transitions. [2022-07-12 13:26:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:26:59,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 567 [2022-07-12 13:26:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:26:59,836 INFO L225 Difference]: With dead ends: 19148 [2022-07-12 13:26:59,836 INFO L226 Difference]: Without dead ends: 9601 [2022-07-12 13:26:59,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:26:59,881 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 0 mSDsluCounter, 3578 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7164 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:26:59,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7164 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:26:59,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2022-07-12 13:27:00,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 9597. [2022-07-12 13:27:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9597 states, 6904 states have (on average 1.3842699884125145) internal successors, (9557), 7087 states have internal predecessors, (9557), 2088 states have call successors, (2088), 568 states have call predecessors, (2088), 604 states have return successors, (2403), 2086 states have call predecessors, (2403), 2086 states have call successors, (2403) [2022-07-12 13:27:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9597 states to 9597 states and 14048 transitions. [2022-07-12 13:27:00,198 INFO L78 Accepts]: Start accepts. Automaton has 9597 states and 14048 transitions. Word has length 567 [2022-07-12 13:27:00,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:27:00,200 INFO L495 AbstractCegarLoop]: Abstraction has 9597 states and 14048 transitions. [2022-07-12 13:27:00,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-07-12 13:27:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9597 states and 14048 transitions. [2022-07-12 13:27:00,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-07-12 13:27:00,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:27:00,209 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:27:00,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:27:00,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:27:00,422 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:27:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:27:00,423 INFO L85 PathProgramCache]: Analyzing trace with hash 841722232, now seen corresponding path program 1 times [2022-07-12 13:27:00,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:27:00,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101989833] [2022-07-12 13:27:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:27:00,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:27:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:27:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:27:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:27:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:27:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:27:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:27:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:27:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:27:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:27:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:27:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:27:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:27:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:27:01,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:27:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:27:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:27:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:27:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:27:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:27:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:27:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:27:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:27:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:27:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:27:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:27:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:27:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:27:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:27:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:27:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:27:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-12 13:27:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 13:27:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 13:27:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 13:27:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 13:27:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:27:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 13:27:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:27:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 13:27:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 13:27:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 13:27:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 13:27:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:27:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-12 13:27:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-12 13:27:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-12 13:27:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-12 13:27:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-12 13:27:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-12 13:27:01,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:27:01,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101989833] [2022-07-12 13:27:01,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101989833] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:27:01,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:27:01,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 13:27:01,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628008015] [2022-07-12 13:27:01,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:27:01,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:27:01,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:27:01,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:27:01,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:27:01,997 INFO L87 Difference]: Start difference. First operand 9597 states and 14048 transitions. Second operand has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-12 13:27:07,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:27:09,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:27:12,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:27:48,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:27:48,213 INFO L93 Difference]: Finished difference Result 45244 states and 73707 transitions. [2022-07-12 13:27:48,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 13:27:48,214 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 543 [2022-07-12 13:27:48,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:27:48,444 INFO L225 Difference]: With dead ends: 45244 [2022-07-12 13:27:48,444 INFO L226 Difference]: Without dead ends: 35721 [2022-07-12 13:27:48,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-07-12 13:27:48,525 INFO L413 NwaCegarLoop]: 5389 mSDtfsCounter, 15937 mSDsluCounter, 14738 mSDsCounter, 0 mSdLazyCounter, 18176 mSolverCounterSat, 12468 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16684 SdHoareTripleChecker+Valid, 20127 SdHoareTripleChecker+Invalid, 30647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12468 IncrementalHoareTripleChecker+Valid, 18176 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:27:48,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16684 Valid, 20127 Invalid, 30647 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12468 Valid, 18176 Invalid, 3 Unknown, 0 Unchecked, 43.6s Time] [2022-07-12 13:27:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35721 states. [2022-07-12 13:27:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35721 to 31551. [2022-07-12 13:27:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31551 states, 22314 states have (on average 1.3541722685309672) internal successors, (30217), 22835 states have internal predecessors, (30217), 7218 states have call successors, (7218), 1584 states have call predecessors, (7218), 2018 states have return successors, (11272), 7614 states have call predecessors, (11272), 7216 states have call successors, (11272) [2022-07-12 13:27:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31551 states to 31551 states and 48707 transitions. [2022-07-12 13:27:50,410 INFO L78 Accepts]: Start accepts. Automaton has 31551 states and 48707 transitions. Word has length 543 [2022-07-12 13:27:50,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:27:50,411 INFO L495 AbstractCegarLoop]: Abstraction has 31551 states and 48707 transitions. [2022-07-12 13:27:50,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-12 13:27:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 31551 states and 48707 transitions. [2022-07-12 13:27:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-07-12 13:27:50,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:27:50,423 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:27:50,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 13:27:50,423 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:27:50,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:27:50,424 INFO L85 PathProgramCache]: Analyzing trace with hash -17243325, now seen corresponding path program 1 times [2022-07-12 13:27:50,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:27:50,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734683854] [2022-07-12 13:27:50,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:27:50,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:27:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:27:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:27:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:27:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:27:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:27:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:27:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:27:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:27:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:27:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:27:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:27:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:27:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:27:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:27:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:27:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:27:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:27:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:27:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:27:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:27:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:27:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:27:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:27:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:27:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:27:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:27:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:27:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:27:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:27:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:27:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:51,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-12 13:27:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 13:27:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 13:27:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 13:27:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 13:27:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:27:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:27:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:27:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 13:27:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 13:27:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 13:27:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 13:27:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-12 13:27:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-12 13:27:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 13:27:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 13:27:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 13:27:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-12 13:27:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-12 13:27:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 13:27:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:27:52,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-12 13:27:52,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:27:52,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734683854] [2022-07-12 13:27:52,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734683854] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:27:52,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:27:52,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 13:27:52,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443757173] [2022-07-12 13:27:52,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:27:52,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:27:52,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:27:52,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:27:52,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:27:52,395 INFO L87 Difference]: Start difference. First operand 31551 states and 48707 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-12 13:27:58,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:00,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:02,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:04,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:07,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:28:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:28:44,469 INFO L93 Difference]: Finished difference Result 165064 states and 339920 transitions. [2022-07-12 13:28:44,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 13:28:44,478 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 544 [2022-07-12 13:28:44,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:28:46,227 INFO L225 Difference]: With dead ends: 165064 [2022-07-12 13:28:46,227 INFO L226 Difference]: Without dead ends: 133587 [2022-07-12 13:28:46,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-07-12 13:28:46,771 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 12725 mSDsluCounter, 14960 mSDsCounter, 0 mSdLazyCounter, 18643 mSolverCounterSat, 9381 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13465 SdHoareTripleChecker+Valid, 20317 SdHoareTripleChecker+Invalid, 28029 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9381 IncrementalHoareTripleChecker+Valid, 18643 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:28:46,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13465 Valid, 20317 Invalid, 28029 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9381 Valid, 18643 Invalid, 5 Unknown, 0 Unchecked, 43.2s Time] [2022-07-12 13:28:46,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133587 states. [2022-07-12 13:28:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133587 to 117681. [2022-07-12 13:28:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117681 states, 81530 states have (on average 1.326174414326015) internal successors, (108123), 83155 states have internal predecessors, (108123), 28834 states have call successors, (28834), 4528 states have call predecessors, (28834), 7316 states have return successors, (79921), 31932 states have call predecessors, (79921), 28832 states have call successors, (79921) [2022-07-12 13:28:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117681 states to 117681 states and 216878 transitions. [2022-07-12 13:28:56,452 INFO L78 Accepts]: Start accepts. Automaton has 117681 states and 216878 transitions. Word has length 544 [2022-07-12 13:28:56,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:28:56,453 INFO L495 AbstractCegarLoop]: Abstraction has 117681 states and 216878 transitions. [2022-07-12 13:28:56,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-12 13:28:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 117681 states and 216878 transitions. [2022-07-12 13:28:56,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-07-12 13:28:56,463 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:28:56,463 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:28:56,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 13:28:56,464 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:28:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:28:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1321939972, now seen corresponding path program 1 times [2022-07-12 13:28:56,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:28:56,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945690008] [2022-07-12 13:28:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:28:56,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:28:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:28:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 13:28:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 13:28:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:28:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 13:28:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 13:28:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 13:28:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 13:28:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 13:28:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 13:28:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 13:28:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 13:28:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:28:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:28:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 13:28:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 13:28:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 13:28:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:28:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 13:28:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 13:28:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 13:28:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 13:28:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 13:28:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 13:28:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 13:28:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 13:28:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 13:28:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 13:28:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 13:28:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 13:28:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 13:28:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 13:28:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 13:28:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 13:28:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 13:28:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:28:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 13:28:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 13:28:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 13:28:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 13:28:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-12 13:28:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-12 13:28:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 13:28:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 13:28:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-12 13:28:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-12 13:28:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 13:28:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-12 13:28:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-12 13:28:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 13:28:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:28:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-12 13:28:57,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:28:57,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945690008] [2022-07-12 13:28:57,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945690008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:28:57,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:28:57,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 13:28:57,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495559517] [2022-07-12 13:28:57,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:28:57,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:28:57,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:28:57,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:28:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:28:57,948 INFO L87 Difference]: Start difference. First operand 117681 states and 216878 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-12 13:29:04,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:06,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:08,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:29:11,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []