./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 eb692b52 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-?-eb692b5 [2022-07-20 00:28:38,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:28:38,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:28:38,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:28:38,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:28:38,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:28:38,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:28:38,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:28:38,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:28:38,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:28:38,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:28:38,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:28:38,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:28:38,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:28:38,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:28:38,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:28:38,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:28:38,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:28:38,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:28:38,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:28:38,765 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:28:38,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:28:38,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:28:38,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:28:38,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:28:38,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:28:38,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:28:38,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:28:38,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:28:38,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:28:38,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:28:38,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:28:38,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:28:38,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:28:38,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:28:38,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:28:38,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:28:38,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:28:38,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:28:38,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:28:38,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:28:38,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:28:38,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:28:38,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:28:38,823 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:28:38,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:28:38,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:28:38,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:28:38,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:28:38,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:28:38,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:28:38,825 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:28:38,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:28:38,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:28:38,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:28:38,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:28:38,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:28:38,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:28:38,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:28:38,827 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:28:38,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:28:38,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:28:38,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:28:38,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:28:38,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:28:38,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:28:38,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:28:38,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:28:38,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:28:38,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:28:38,830 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:28:38,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:28:38,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:28:38,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2022-07-20 00:28:39,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:28:39,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:28:39,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:28:39,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:28:39,138 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:28:39,139 INFO L432 ainManager$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 [2022-07-20 00:28:39,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d8baec/d27fd6210da84620a18bbc6bbfa0b275/FLAG96858d260 [2022-07-20 00:28:40,131 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:28:40,132 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 [2022-07-20 00:28:40,203 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d8baec/d27fd6210da84620a18bbc6bbfa0b275/FLAG96858d260 [2022-07-20 00:28:40,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d4d8baec/d27fd6210da84620a18bbc6bbfa0b275 [2022-07-20 00:28:40,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:28:40,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:28:40,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:28:40,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:28:40,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:28:40,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:40" (1/1) ... [2022-07-20 00:28:40,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@897c167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:40, skipping insertion in model container [2022-07-20 00:28:40,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:28:40" (1/1) ... [2022-07-20 00:28:40,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:28:40,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:28:44,372 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] [2022-07-20 00:28:44,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:44,463 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:28:44,945 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] [2022-07-20 00:28:44,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:28:45,129 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:28:45,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45 WrapperNode [2022-07-20 00:28:45,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:28:45,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:28:45,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:28:45,133 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:28:45,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,425 INFO L137 Inliner]: procedures = 420, calls = 2207, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6279 [2022-07-20 00:28:45,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:28:45,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:28:45,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:28:45,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:28:45,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:28:45,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:28:45,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:28:45,688 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:28:45,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (1/1) ... [2022-07-20 00:28:45,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:28:45,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:28:45,720 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) [2022-07-20 00:28:45,788 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 [2022-07-20 00:28:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-07-20 00:28:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-07-20 00:28:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-07-20 00:28:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-07-20 00:28:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-07-20 00:28:45,825 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-07-20 00:28:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 00:28:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-07-20 00:28:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-07-20 00:28:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-20 00:28:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-20 00:28:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:28:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:28:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-20 00:28:45,826 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-20 00:28:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 00:28:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 00:28:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-07-20 00:28:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-07-20 00:28:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:28:45,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:28:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-07-20 00:28:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-07-20 00:28:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-07-20 00:28:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-07-20 00:28:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-07-20 00:28:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-07-20 00:28:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-07-20 00:28:45,828 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-07-20 00:28:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:28:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:28:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-07-20 00:28:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-07-20 00:28:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-07-20 00:28:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-07-20 00:28:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-07-20 00:28:45,829 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-07-20 00:28:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-07-20 00:28:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-07-20 00:28:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-07-20 00:28:45,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-07-20 00:28:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-07-20 00:28:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-07-20 00:28:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:28:45,831 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:28:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-07-20 00:28:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-07-20 00:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-07-20 00:28:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-07-20 00:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-07-20 00:28:45,832 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-07-20 00:28:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-07-20 00:28:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-07-20 00:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-07-20 00:28:45,833 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-07-20 00:28:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 00:28:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 00:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:28:45,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:28:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-07-20 00:28:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-07-20 00:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-07-20 00:28:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-07-20 00:28:45,835 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-07-20 00:28:45,835 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-07-20 00:28:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:28:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-07-20 00:28:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-07-20 00:28:45,836 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:28:45,836 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:28:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-07-20 00:28:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-07-20 00:28:45,837 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-07-20 00:28:45,837 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-07-20 00:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-07-20 00:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-07-20 00:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-07-20 00:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-07-20 00:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 00:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 00:28:45,838 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-07-20 00:28:45,838 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-07-20 00:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-20 00:28:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-20 00:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-07-20 00:28:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-07-20 00:28:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-07-20 00:28:45,839 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-07-20 00:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:28:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-07-20 00:28:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-07-20 00:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:28:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:28:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-07-20 00:28:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-07-20 00:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 00:28:45,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 00:28:45,842 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-20 00:28:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-20 00:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-07-20 00:28:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-07-20 00:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-07-20 00:28:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-07-20 00:28:45,843 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-07-20 00:28:45,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-07-20 00:28:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-07-20 00:28:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-07-20 00:28:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-20 00:28:45,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-20 00:28:45,844 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-07-20 00:28:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-07-20 00:28:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-07-20 00:28:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-07-20 00:28:45,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:28:45,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:28:45,846 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-20 00:28:45,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-20 00:28:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:28:45,848 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-07-20 00:28:45,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-07-20 00:28:45,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:28:45,850 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-07-20 00:28:45,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-07-20 00:28:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:28:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:28:45,851 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-20 00:28:45,855 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-20 00:28:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:28:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:28:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-07-20 00:28:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-07-20 00:28:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-07-20 00:28:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-07-20 00:28:45,856 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-07-20 00:28:45,856 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-07-20 00:28:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-07-20 00:28:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-07-20 00:28:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:28:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:28:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-07-20 00:28:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-07-20 00:28:45,857 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-07-20 00:28:45,857 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-07-20 00:28:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-07-20 00:28:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-07-20 00:28:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-07-20 00:28:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-07-20 00:28:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-07-20 00:28:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-07-20 00:28:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-20 00:28:45,858 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-20 00:28:45,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-20 00:28:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-20 00:28:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:28:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:28:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-07-20 00:28:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-07-20 00:28:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:28:45,859 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:28:45,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 00:28:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 00:28:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-07-20 00:28:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-07-20 00:28:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-07-20 00:28:45,860 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-07-20 00:28:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:28:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:28:45,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:28:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:28:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-07-20 00:28:45,861 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-07-20 00:28:45,861 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-07-20 00:28:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-07-20 00:28:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-07-20 00:28:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-07-20 00:28:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 00:28:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 00:28:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 00:28:45,862 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 00:28:45,862 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 00:28:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-20 00:28:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-20 00:28:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2022-07-20 00:28:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2022-07-20 00:28:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 00:28:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 00:28:45,863 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-07-20 00:28:45,863 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-07-20 00:28:45,864 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-20 00:28:45,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-20 00:28:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-07-20 00:28:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-07-20 00:28:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:28:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:28:45,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:28:45,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:28:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-07-20 00:28:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-07-20 00:28:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:28:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:28:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:28:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:28:45,866 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-07-20 00:28:45,866 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-07-20 00:28:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-07-20 00:28:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-07-20 00:28:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-07-20 00:28:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-07-20 00:28:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:28:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:28:45,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-20 00:28:45,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-07-20 00:28:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:28:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-07-20 00:28:45,868 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:28:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-20 00:28:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-20 00:28:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-20 00:28:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-20 00:28:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-07-20 00:28:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-07-20 00:28:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-07-20 00:28:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-07-20 00:28:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 00:28:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 00:28:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-07-20 00:28:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-07-20 00:28:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:28:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-20 00:28:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-20 00:28:45,870 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-20 00:28:45,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-20 00:28:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-07-20 00:28:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-07-20 00:28:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-07-20 00:28:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-07-20 00:28:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:28:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:28:45,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:28:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:28:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-07-20 00:28:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-07-20 00:28:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-07-20 00:28:45,875 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-07-20 00:28:45,875 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-07-20 00:28:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-07-20 00:28:45,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-07-20 00:28:45,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-07-20 00:28:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 00:28:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 00:28:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-20 00:28:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-20 00:28:45,877 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-07-20 00:28:45,877 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-07-20 00:28:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-07-20 00:28:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-07-20 00:28:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-07-20 00:28:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-07-20 00:28:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-07-20 00:28:45,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-07-20 00:28:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:28:45,878 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-07-20 00:28:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-07-20 00:28:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-07-20 00:28:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-07-20 00:28:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:28:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:28:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-07-20 00:28:45,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-07-20 00:28:45,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:28:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:28:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-20 00:28:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-20 00:28:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 00:28:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 00:28:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-07-20 00:28:45,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-07-20 00:28:45,880 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-07-20 00:28:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-07-20 00:28:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-07-20 00:28:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-07-20 00:28:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-07-20 00:28:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-07-20 00:28:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 00:28:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 00:28:45,881 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-20 00:28:45,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-20 00:28:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-20 00:28:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-20 00:28:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-07-20 00:28:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-07-20 00:28:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-20 00:28:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-20 00:28:45,882 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-07-20 00:28:45,882 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-07-20 00:28:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-07-20 00:28:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-07-20 00:28:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-20 00:28:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-20 00:28:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-20 00:28:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-20 00:28:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-07-20 00:28:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-07-20 00:28:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-07-20 00:28:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-07-20 00:28:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:28:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 00:28:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 00:28:46,850 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:28:46,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:28:47,672 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:28:54,135 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:28:54,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:28:54,162 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:28:54,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:28:54 BoogieIcfgContainer [2022-07-20 00:28:54,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:28:54,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:28:54,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:28:54,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:28:54,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:28:40" (1/3) ... [2022-07-20 00:28:54,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3eff06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:28:54, skipping insertion in model container [2022-07-20 00:28:54,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:28:45" (2/3) ... [2022-07-20 00:28:54,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3eff06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:28:54, skipping insertion in model container [2022-07-20 00:28:54,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:28:54" (3/3) ... [2022-07-20 00:28:54,176 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-07-20 00:28:54,189 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:28:54,189 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:28:54,277 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:28:54,283 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@33463cca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@75f68328 [2022-07-20 00:28:54,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:28:54,295 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) [2022-07-20 00:28:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-20 00:28:54,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:28:54,334 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] [2022-07-20 00:28:54,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:28:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:28:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1085373338, now seen corresponding path program 1 times [2022-07-20 00:28:54,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:28:54,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110112358] [2022-07-20 00:28:54,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:28:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:28:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:28:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:28:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:28:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:28:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:28:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:28:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:28:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:28:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:28:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:28:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:28:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:28:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:28:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:28:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:28:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:28:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:28:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:28:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:28:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:28:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:55,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:28:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:28:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:28:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:28:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:28:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:28:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:28:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:28:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:28:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:28:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:28:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:28:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:28:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-20 00:28:56,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:28:56,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110112358] [2022-07-20 00:28:56,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110112358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:28:56,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:28:56,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:28:56,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423163618] [2022-07-20 00:28:56,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:28:56,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:28:56,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:28:56,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:28:56,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:28:56,424 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) [2022-07-20 00:29:00,295 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 [] [2022-07-20 00:29:02,620 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 [] [2022-07-20 00:29:05,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:05,943 INFO L93 Difference]: Finished difference Result 5401 states and 8053 transitions. [2022-07-20 00:29:05,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:29:05,949 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 [2022-07-20 00:29:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:05,990 INFO L225 Difference]: With dead ends: 5401 [2022-07-20 00:29:05,990 INFO L226 Difference]: Without dead ends: 2822 [2022-07-20 00:29:06,008 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 [2022-07-20 00:29:06,012 INFO L413 NwaCegarLoop]: 3490 mSDtfsCounter, 2894 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 2436 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 5219 SdHoareTripleChecker+Invalid, 3461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2436 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:06,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 5219 Invalid, 3461 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2436 Valid, 1023 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-07-20 00:29:06,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-07-20 00:29:06,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2544. [2022-07-20 00:29:06,262 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) [2022-07-20 00:29:06,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3687 transitions. [2022-07-20 00:29:06,291 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3687 transitions. Word has length 413 [2022-07-20 00:29:06,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:06,295 INFO L495 AbstractCegarLoop]: Abstraction has 2544 states and 3687 transitions. [2022-07-20 00:29:06,295 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) [2022-07-20 00:29:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3687 transitions. [2022-07-20 00:29:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-20 00:29:06,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:06,311 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] [2022-07-20 00:29:06,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:29:06,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:06,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:06,313 INFO L85 PathProgramCache]: Analyzing trace with hash -821889264, now seen corresponding path program 1 times [2022-07-20 00:29:06,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:06,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801306218] [2022-07-20 00:29:06,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:29:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:29:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:29:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:29:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:29:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:29:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:29:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:29:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:29:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:29:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:29:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:29:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:29:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:29:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:29:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:29:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:29:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:29:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:29:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:29:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:29:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:29:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:29:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:29:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:29:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:29:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-20 00:29:08,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:08,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801306218] [2022-07-20 00:29:08,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801306218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:08,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:29:08,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:29:08,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520850632] [2022-07-20 00:29:08,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:08,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:29:08,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:08,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:29:08,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:29:08,299 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) [2022-07-20 00:29:14,203 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 [] [2022-07-20 00:29:17,409 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 [] [2022-07-20 00:29:24,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:24,473 INFO L93 Difference]: Finished difference Result 7884 states and 11684 transitions. [2022-07-20 00:29:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:29:24,474 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 [2022-07-20 00:29:24,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:24,520 INFO L225 Difference]: With dead ends: 7884 [2022-07-20 00:29:24,520 INFO L226 Difference]: Without dead ends: 5398 [2022-07-20 00:29:24,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:29:24,536 INFO L413 NwaCegarLoop]: 4599 mSDtfsCounter, 6360 mSDsluCounter, 6710 mSDsCounter, 0 mSdLazyCounter, 4191 mSolverCounterSat, 3189 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6703 SdHoareTripleChecker+Valid, 11309 SdHoareTripleChecker+Invalid, 7382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3189 IncrementalHoareTripleChecker+Valid, 4191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:24,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6703 Valid, 11309 Invalid, 7382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3189 Valid, 4191 Invalid, 2 Unknown, 0 Unchecked, 15.5s Time] [2022-07-20 00:29:24,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2022-07-20 00:29:24,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4923. [2022-07-20 00:29:24,751 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) [2022-07-20 00:29:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 7187 transitions. [2022-07-20 00:29:24,788 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 7187 transitions. Word has length 413 [2022-07-20 00:29:24,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:24,792 INFO L495 AbstractCegarLoop]: Abstraction has 4923 states and 7187 transitions. [2022-07-20 00:29:24,793 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) [2022-07-20 00:29:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 7187 transitions. [2022-07-20 00:29:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-20 00:29:24,810 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:24,811 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] [2022-07-20 00:29:24,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:29:24,811 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash -130404555, now seen corresponding path program 1 times [2022-07-20 00:29:24,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:24,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853912400] [2022-07-20 00:29:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:29:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:29:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:29:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:29:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:29:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:29:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:29:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:29:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:29:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:29:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:29:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:29:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:29:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:29:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:29:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:29:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:29:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:29:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:29:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:29:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:29:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:29:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:29:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:29:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:29:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:29:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 00:29:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 00:29:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-20 00:29:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 00:29:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 00:29:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 00:29:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-20 00:29:26,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:26,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853912400] [2022-07-20 00:29:26,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853912400] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:26,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:29:26,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 00:29:26,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629263824] [2022-07-20 00:29:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:26,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 00:29:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:26,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 00:29:26,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-20 00:29:26,344 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) [2022-07-20 00:29:30,577 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 [] [2022-07-20 00:29:32,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:34,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:29:49,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:49,508 INFO L93 Difference]: Finished difference Result 15895 states and 23727 transitions. [2022-07-20 00:29:49,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 00:29:49,509 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 [2022-07-20 00:29:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:49,584 INFO L225 Difference]: With dead ends: 15895 [2022-07-20 00:29:49,585 INFO L226 Difference]: Without dead ends: 11046 [2022-07-20 00:29:49,612 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 [2022-07-20 00:29:49,613 INFO L413 NwaCegarLoop]: 3778 mSDtfsCounter, 7250 mSDsluCounter, 8738 mSDsCounter, 0 mSdLazyCounter, 6673 mSolverCounterSat, 3670 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7678 SdHoareTripleChecker+Valid, 12516 SdHoareTripleChecker+Invalid, 10346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3670 IncrementalHoareTripleChecker+Valid, 6673 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-07-20 00:29:49,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7678 Valid, 12516 Invalid, 10346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3670 Valid, 6673 Invalid, 3 Unknown, 0 Unchecked, 22.4s Time] [2022-07-20 00:29:49,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11046 states. [2022-07-20 00:29:50,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11046 to 9789. [2022-07-20 00:29:50,064 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) [2022-07-20 00:29:50,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9789 states to 9789 states and 14444 transitions. [2022-07-20 00:29:50,102 INFO L78 Accepts]: Start accepts. Automaton has 9789 states and 14444 transitions. Word has length 456 [2022-07-20 00:29:50,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:50,103 INFO L495 AbstractCegarLoop]: Abstraction has 9789 states and 14444 transitions. [2022-07-20 00:29:50,104 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) [2022-07-20 00:29:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 9789 states and 14444 transitions. [2022-07-20 00:29:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-20 00:29:50,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:50,121 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] [2022-07-20 00:29:50,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:29:50,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1782524724, now seen corresponding path program 1 times [2022-07-20 00:29:50,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:50,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244874722] [2022-07-20 00:29:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:50,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:29:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:29:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:29:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:29:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:29:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:29:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:29:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:29:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:29:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:29:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:29:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:29:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:29:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:29:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:29:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:29:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:29:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:29:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:29:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:29:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:29:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:29:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:29:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:29:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:29:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:29:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 00:29:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 00:29:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-20 00:29:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-20 00:29:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:29:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-20 00:29:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 00:29:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 00:29:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 00:29:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:29:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 00:29:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 00:29:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 00:29:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 00:29:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 00:29:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-20 00:29:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-20 00:29:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-20 00:29:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-20 00:29:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-20 00:29:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:52,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-20 00:29:52,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244874722] [2022-07-20 00:29:52,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244874722] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:52,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628188904] [2022-07-20 00:29:52,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:52,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:52,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:52,480 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) [2022-07-20 00:29:52,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:29:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:54,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 6213 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:29:54,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:29:54,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-20 00:29:54,277 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:29:54,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628188904] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:54,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:29:54,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-20 00:29:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554889037] [2022-07-20 00:29:54,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:54,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:29:54,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:29:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:29:54,281 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) [2022-07-20 00:29:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:54,546 INFO L93 Difference]: Finished difference Result 19336 states and 28856 transitions. [2022-07-20 00:29:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:29:54,546 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 [2022-07-20 00:29:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:54,627 INFO L225 Difference]: With dead ends: 19336 [2022-07-20 00:29:54,627 INFO L226 Difference]: Without dead ends: 9621 [2022-07-20 00:29:54,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:29:54,685 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 [2022-07-20 00:29:54,686 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] [2022-07-20 00:29:54,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2022-07-20 00:29:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9621. [2022-07-20 00:29:55,048 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) [2022-07-20 00:29:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9621 states to 9621 states and 14108 transitions. [2022-07-20 00:29:55,099 INFO L78 Accepts]: Start accepts. Automaton has 9621 states and 14108 transitions. Word has length 566 [2022-07-20 00:29:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:55,101 INFO L495 AbstractCegarLoop]: Abstraction has 9621 states and 14108 transitions. [2022-07-20 00:29:55,101 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) [2022-07-20 00:29:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 9621 states and 14108 transitions. [2022-07-20 00:29:55,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2022-07-20 00:29:55,120 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:55,120 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] [2022-07-20 00:29:55,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:29:55,343 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 [2022-07-20 00:29:55,344 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:29:55,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:29:55,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1200379562, now seen corresponding path program 1 times [2022-07-20 00:29:55,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:29:55,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249201952] [2022-07-20 00:29:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:55,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:29:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:29:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:29:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:29:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:55,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:29:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:29:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:29:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:29:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:29:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:29:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:29:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:29:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:29:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:29:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:29:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:29:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:29:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:29:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:29:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:29:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:29:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:29:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:29:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:29:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:29:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:29:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:29:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:29:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:29:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:29:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:29:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-20 00:29:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 00:29:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-20 00:29:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-20 00:29:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:29:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 00:29:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-20 00:29:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:29:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:29:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 00:29:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 00:29:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:29:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 00:29:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 00:29:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 00:29:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 00:29:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 00:29:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-20 00:29:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 00:29:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-20 00:29:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-20 00:29:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-20 00:29:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-20 00:29:57,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:29:57,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249201952] [2022-07-20 00:29:57,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249201952] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:29:57,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237709257] [2022-07-20 00:29:57,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:29:57,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:29:57,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:29:57,448 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) [2022-07-20 00:29:57,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:29:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:29:58,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 6216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:29:58,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:29:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-20 00:29:58,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:29:58,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237709257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:29:58,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:29:58,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-20 00:29:58,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902100054] [2022-07-20 00:29:58,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:29:58,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:29:58,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:29:58,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:29:58,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:29:58,990 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) [2022-07-20 00:29:59,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:29:59,349 INFO L93 Difference]: Finished difference Result 19148 states and 28464 transitions. [2022-07-20 00:29:59,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:29:59,350 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 [2022-07-20 00:29:59,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:29:59,415 INFO L225 Difference]: With dead ends: 19148 [2022-07-20 00:29:59,416 INFO L226 Difference]: Without dead ends: 9601 [2022-07-20 00:29:59,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:29:59,470 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 [2022-07-20 00:29:59,471 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] [2022-07-20 00:29:59,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2022-07-20 00:29:59,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 9597. [2022-07-20 00:29:59,864 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) [2022-07-20 00:29:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9597 states to 9597 states and 14048 transitions. [2022-07-20 00:29:59,925 INFO L78 Accepts]: Start accepts. Automaton has 9597 states and 14048 transitions. Word has length 567 [2022-07-20 00:29:59,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:29:59,929 INFO L495 AbstractCegarLoop]: Abstraction has 9597 states and 14048 transitions. [2022-07-20 00:29:59,929 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) [2022-07-20 00:29:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 9597 states and 14048 transitions. [2022-07-20 00:29:59,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-07-20 00:29:59,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:29:59,943 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, 1] [2022-07-20 00:29:59,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:30:00,163 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 [2022-07-20 00:30:00,164 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:30:00,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:30:00,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1239436481, now seen corresponding path program 1 times [2022-07-20 00:30:00,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:30:00,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008766305] [2022-07-20 00:30:00,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:30:00,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:30:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:30:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:30:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:30:00,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:30:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:30:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:30:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:30:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:30:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:30:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:30:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:30:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:30:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:30:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:30:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:30:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:30:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:30:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:30:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:30:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:30:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:30:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:30:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:30:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:30:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:30:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:30:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:30:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:30:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:30:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:30:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-20 00:30:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-20 00:30:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:30:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-20 00:30:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-20 00:30:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 00:30:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 00:30:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:30:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 00:30:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-20 00:30:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 00:30:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-20 00:30:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-20 00:30:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-20 00:30:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-20 00:30:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-20 00:30:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-20 00:30:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-20 00:30:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-20 00:30:02,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:30:02,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008766305] [2022-07-20 00:30:02,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008766305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:30:02,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:30:02,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:30:02,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964735543] [2022-07-20 00:30:02,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:30:02,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:30:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:30:02,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:30:02,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:30:02,639 INFO L87 Difference]: Start difference. First operand 9597 states and 14048 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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) [2022-07-20 00:30:09,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:30:11,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:30:13,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:30:15,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:30:18,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:30:52,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:30:52,265 INFO L93 Difference]: Finished difference Result 45244 states and 73707 transitions. [2022-07-20 00:30:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 00:30:52,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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 545 [2022-07-20 00:30:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:30:52,518 INFO L225 Difference]: With dead ends: 45244 [2022-07-20 00:30:52,518 INFO L226 Difference]: Without dead ends: 35721 [2022-07-20 00:30:52,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-07-20 00:30:52,606 INFO L413 NwaCegarLoop]: 5381 mSDtfsCounter, 15941 mSDsluCounter, 14722 mSDsCounter, 0 mSdLazyCounter, 18261 mSolverCounterSat, 12471 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16676 SdHoareTripleChecker+Valid, 20103 SdHoareTripleChecker+Invalid, 30737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12471 IncrementalHoareTripleChecker+Valid, 18261 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:30:52,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16676 Valid, 20103 Invalid, 30737 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12471 Valid, 18261 Invalid, 5 Unknown, 0 Unchecked, 46.9s Time] [2022-07-20 00:30:52,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35721 states. [2022-07-20 00:30:54,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35721 to 31551. [2022-07-20 00:30:54,779 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) [2022-07-20 00:30:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31551 states to 31551 states and 48707 transitions. [2022-07-20 00:30:55,039 INFO L78 Accepts]: Start accepts. Automaton has 31551 states and 48707 transitions. Word has length 545 [2022-07-20 00:30:55,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:30:55,040 INFO L495 AbstractCegarLoop]: Abstraction has 31551 states and 48707 transitions. [2022-07-20 00:30:55,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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) [2022-07-20 00:30:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 31551 states and 48707 transitions. [2022-07-20 00:30:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-07-20 00:30:55,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:30:55,053 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, 1] [2022-07-20 00:30:55,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:30:55,054 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:30:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:30:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash 130258747, now seen corresponding path program 1 times [2022-07-20 00:30:55,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:30:55,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368492318] [2022-07-20 00:30:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:30:55,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:30:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:30:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:30:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:30:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:30:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:30:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:30:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:30:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:30:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:30:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:30:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:30:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:30:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:30:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:30:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:30:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:30:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:30:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:30:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:30:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:30:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:30:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:30:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:30:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:30:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:30:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:30:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:30:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:30:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:30:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:30:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-20 00:30:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 00:30:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:30:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:30:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 00:30:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:30:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:30:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 00:30:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-20 00:30:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 00:30:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-20 00:30:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-20 00:30:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-20 00:30:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-20 00:30:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 00:30:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-20 00:30:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-20 00:30:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-20 00:30:56,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-20 00:30:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-20 00:30:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:30:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-20 00:30:56,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:30:56,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368492318] [2022-07-20 00:30:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368492318] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:30:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:30:56,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:30:56,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241114273] [2022-07-20 00:30:56,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:30:56,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:30:56,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:30:56,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:30:56,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:30:56,838 INFO L87 Difference]: Start difference. First operand 31551 states and 48707 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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) [2022-07-20 00:31:02,622 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 [] [2022-07-20 00:31:04,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:31:06,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:31:45,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:31:45,077 INFO L93 Difference]: Finished difference Result 165064 states and 339920 transitions. [2022-07-20 00:31:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 00:31:45,078 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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 545 [2022-07-20 00:31:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:31:46,828 INFO L225 Difference]: With dead ends: 165064 [2022-07-20 00:31:46,828 INFO L226 Difference]: Without dead ends: 133587 [2022-07-20 00:31:47,299 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 [2022-07-20 00:31:47,300 INFO L413 NwaCegarLoop]: 5352 mSDtfsCounter, 12731 mSDsluCounter, 14958 mSDsCounter, 0 mSdLazyCounter, 18693 mSolverCounterSat, 9348 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13476 SdHoareTripleChecker+Valid, 20310 SdHoareTripleChecker+Invalid, 28043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9348 IncrementalHoareTripleChecker+Valid, 18693 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:31:47,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13476 Valid, 20310 Invalid, 28043 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9348 Valid, 18693 Invalid, 2 Unknown, 0 Unchecked, 38.7s Time] [2022-07-20 00:31:47,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133587 states. [2022-07-20 00:31:55,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133587 to 117681. [2022-07-20 00:31:55,930 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) [2022-07-20 00:31:57,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117681 states to 117681 states and 216878 transitions. [2022-07-20 00:31:58,011 INFO L78 Accepts]: Start accepts. Automaton has 117681 states and 216878 transitions. Word has length 545 [2022-07-20 00:31:58,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:31:58,012 INFO L495 AbstractCegarLoop]: Abstraction has 117681 states and 216878 transitions. [2022-07-20 00:31:58,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 6 states have internal predecessors, (157), 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) [2022-07-20 00:31:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 117681 states and 216878 transitions. [2022-07-20 00:31:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2022-07-20 00:31:58,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:31:58,026 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, 1, 1] [2022-07-20 00:31:58,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 00:31:58,026 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:31:58,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:31:58,027 INFO L85 PathProgramCache]: Analyzing trace with hash 84018213, now seen corresponding path program 1 times [2022-07-20 00:31:58,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:31:58,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012636212] [2022-07-20 00:31:58,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:31:58,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:31:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:31:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:31:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:31:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:31:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:31:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:31:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:31:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:31:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:31:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:31:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:31:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 00:31:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 00:31:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 00:31:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 00:31:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 00:31:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 00:31:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:31:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:31:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 00:31:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 00:31:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 00:31:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 00:31:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 00:31:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 00:31:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-20 00:31:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-20 00:31:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-20 00:31:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 00:31:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 00:31:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-20 00:31:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-20 00:31:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:31:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 00:31:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-20 00:31:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:31:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:31:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-20 00:31:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:31:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-20 00:31:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:31:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-20 00:31:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-20 00:31:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 00:31:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:31:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-20 00:31:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-20 00:32:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-20 00:32:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 00:32:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-20 00:32:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-20 00:32:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:32:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-20 00:32:00,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:32:00,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012636212] [2022-07-20 00:32:00,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012636212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:32:00,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:32:00,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:32:00,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242414908] [2022-07-20 00:32:00,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:32:00,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:32:00,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:32:00,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:32:00,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:32:00,051 INFO L87 Difference]: Start difference. First operand 117681 states and 216878 transitions. Second operand has 10 states, 10 states have (on average 15.8) internal successors, (158), 6 states have internal predecessors, (158), 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) [2022-07-20 00:32:06,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:32:08,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:32:10,802 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 []