./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 35987657 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-?-3598765 [2022-07-21 11:59:12,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:59:12,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:59:12,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:59:12,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:59:12,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:59:12,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:59:12,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:59:12,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:59:12,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:59:12,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:59:12,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:59:12,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:59:12,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:59:12,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:59:12,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:59:12,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:59:12,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:59:12,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:59:12,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:59:12,457 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:59:12,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:59:12,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:59:12,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:59:12,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:59:12,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:59:12,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:59:12,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:59:12,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:59:12,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:59:12,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:59:12,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:59:12,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:59:12,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:59:12,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:59:12,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:59:12,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:59:12,486 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:59:12,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:59:12,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:59:12,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:59:12,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:59:12,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:59:12,514 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:59:12,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:59:12,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:59:12,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:59:12,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:59:12,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:59:12,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:59:12,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:59:12,517 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:59:12,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:59:12,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:59:12,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:59:12,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:59:12,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:59:12,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:59:12,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:59:12,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:59:12,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:59:12,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:59:12,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:59:12,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:59:12,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:59:12,521 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:59:12,521 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:59:12,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:59:12,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2022-07-21 11:59:12,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:59:12,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:59:12,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:59:12,871 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:59:12,873 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:59:12,875 INFO L432 ainManager$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 [2022-07-21 11:59:12,936 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ad587cae/93e350f16e28431daba791b7b19e5820/FLAG5df9851ad [2022-07-21 11:59:13,780 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:59:13,781 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 [2022-07-21 11:59:13,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ad587cae/93e350f16e28431daba791b7b19e5820/FLAG5df9851ad [2022-07-21 11:59:14,310 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ad587cae/93e350f16e28431daba791b7b19e5820 [2022-07-21 11:59:14,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:59:14,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:59:14,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:59:14,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:59:14,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:59:14,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:59:14" (1/1) ... [2022-07-21 11:59:14,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5e6da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:14, skipping insertion in model container [2022-07-21 11:59:14,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:59:14" (1/1) ... [2022-07-21 11:59:14,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:59:14,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:59:17,867 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] [2022-07-21 11:59:17,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:59:18,001 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:59:18,649 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] [2022-07-21 11:59:18,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:59:18,781 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:59:18,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18 WrapperNode [2022-07-21 11:59:18,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:59:18,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:59:18,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:59:18,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:59:18,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:18,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,130 INFO L137 Inliner]: procedures = 420, calls = 2207, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6279 [2022-07-21 11:59:19,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:59:19,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:59:19,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:59:19,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:59:19,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:59:19,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:59:19,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:59:19,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:59:19,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (1/1) ... [2022-07-21 11:59:19,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:59:19,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:59:19,552 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) [2022-07-21 11:59:19,630 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 [2022-07-21 11:59:19,653 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-07-21 11:59:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-07-21 11:59:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-07-21 11:59:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-07-21 11:59:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-07-21 11:59:19,654 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-07-21 11:59:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 11:59:19,654 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-07-21 11:59:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-07-21 11:59:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-07-21 11:59:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-07-21 11:59:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:59:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:59:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 11:59:19,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 11:59:19,655 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-21 11:59:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-21 11:59:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-07-21 11:59:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-07-21 11:59:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:59:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:59:19,656 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-07-21 11:59:19,656 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-07-21 11:59:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-07-21 11:59:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-07-21 11:59:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-07-21 11:59:19,670 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-07-21 11:59:19,670 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-07-21 11:59:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-07-21 11:59:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 11:59:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 11:59:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-07-21 11:59:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-07-21 11:59:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-07-21 11:59:19,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-07-21 11:59:19,671 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-07-21 11:59:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-07-21 11:59:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-07-21 11:59:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-07-21 11:59:19,672 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-07-21 11:59:19,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-07-21 11:59:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-07-21 11:59:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-07-21 11:59:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:59:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:59:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-07-21 11:59:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-07-21 11:59:19,673 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-07-21 11:59:19,673 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-07-21 11:59:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-07-21 11:59:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-07-21 11:59:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-07-21 11:59:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-07-21 11:59:19,674 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-07-21 11:59:19,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-07-21 11:59:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 11:59:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 11:59:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:59:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:59:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-07-21 11:59:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-07-21 11:59:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-07-21 11:59:19,676 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-07-21 11:59:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-07-21 11:59:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-07-21 11:59:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:59:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-07-21 11:59:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-07-21 11:59:19,677 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 11:59:19,677 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 11:59:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-07-21 11:59:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-07-21 11:59:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-07-21 11:59:19,678 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-07-21 11:59:19,678 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-07-21 11:59:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-07-21 11:59:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-07-21 11:59:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-07-21 11:59:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 11:59:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 11:59:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-07-21 11:59:19,679 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-07-21 11:59:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:59:19,679 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-07-21 11:59:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-07-21 11:59:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-07-21 11:59:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-07-21 11:59:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-07-21 11:59:19,680 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-07-21 11:59:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:59:19,680 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-07-21 11:59:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-07-21 11:59:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:59:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:59:19,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:59:19,681 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-07-21 11:59:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-07-21 11:59:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 11:59:19,682 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 11:59:19,682 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-21 11:59:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-21 11:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-07-21 11:59:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-07-21 11:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-07-21 11:59:19,683 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-07-21 11:59:19,683 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-07-21 11:59:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-07-21 11:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-07-21 11:59:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-07-21 11:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-21 11:59:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-21 11:59:19,684 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-07-21 11:59:19,684 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-07-21 11:59:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-07-21 11:59:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-07-21 11:59:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:59:19,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:59:19,685 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-21 11:59:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-21 11:59:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:59:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-07-21 11:59:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-07-21 11:59:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:59:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-07-21 11:59:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-07-21 11:59:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:59:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:59:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-07-21 11:59:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-07-21 11:59:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:59:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 11:59:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-07-21 11:59:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-07-21 11:59:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-07-21 11:59:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-07-21 11:59:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-07-21 11:59:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-07-21 11:59:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-07-21 11:59:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-07-21 11:59:19,694 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:59:19,694 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:59:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-07-21 11:59:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-07-21 11:59:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-07-21 11:59:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-07-21 11:59:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-07-21 11:59:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-07-21 11:59:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-07-21 11:59:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-07-21 11:59:19,695 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-07-21 11:59:19,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-07-21 11:59:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-07-21 11:59:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-07-21 11:59:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-21 11:59:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-21 11:59:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:59:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:59:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-07-21 11:59:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-07-21 11:59:19,696 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:59:19,696 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 11:59:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-07-21 11:59:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-07-21 11:59:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:59:19,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:59:19,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:59:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-07-21 11:59:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-07-21 11:59:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-07-21 11:59:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-07-21 11:59:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-07-21 11:59:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-07-21 11:59:19,698 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 11:59:19,698 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 11:59:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 11:59:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 11:59:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 11:59:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-21 11:59:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-21 11:59:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2022-07-21 11:59:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2022-07-21 11:59:19,699 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 11:59:19,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 11:59:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-07-21 11:59:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-07-21 11:59:19,700 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-07-21 11:59:19,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-07-21 11:59:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-07-21 11:59:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-07-21 11:59:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:59:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:59:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:59:19,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:59:19,701 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-07-21 11:59:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-07-21 11:59:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:59:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:59:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:59:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:59:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-07-21 11:59:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-07-21 11:59:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-07-21 11:59:19,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-07-21 11:59:19,702 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-07-21 11:59:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-07-21 11:59:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 11:59:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 11:59:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-07-21 11:59:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-07-21 11:59:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-07-21 11:59:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-07-21 11:59:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:59:19,703 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:59:19,703 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-07-21 11:59:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-21 11:59:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-21 11:59:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-07-21 11:59:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-07-21 11:59:19,704 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-07-21 11:59:19,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 11:59:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-07-21 11:59:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-21 11:59:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 11:59:19,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 11:59:19,705 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-07-21 11:59:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-07-21 11:59:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-07-21 11:59:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-07-21 11:59:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 11:59:19,706 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 11:59:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:59:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:59:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-07-21 11:59:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-07-21 11:59:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-07-21 11:59:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-07-21 11:59:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-07-21 11:59:19,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-07-21 11:59:19,709 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-07-21 11:59:19,710 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-07-21 11:59:19,710 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 11:59:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 11:59:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-21 11:59:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-07-21 11:59:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-07-21 11:59:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-07-21 11:59:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-07-21 11:59:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-07-21 11:59:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-07-21 11:59:19,711 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-07-21 11:59:19,711 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-07-21 11:59:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-07-21 11:59:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-07-21 11:59:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:59:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-07-21 11:59:19,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-07-21 11:59:19,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:59:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-21 11:59:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-21 11:59:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-07-21 11:59:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-07-21 11:59:19,713 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-07-21 11:59:19,713 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-07-21 11:59:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-07-21 11:59:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-07-21 11:59:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 11:59:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 11:59:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-07-21 11:59:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-07-21 11:59:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-21 11:59:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-21 11:59:19,714 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-07-21 11:59:19,714 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-21 11:59:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-07-21 11:59:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-07-21 11:59:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-07-21 11:59:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-21 11:59:19,715 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-21 11:59:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-07-21 11:59:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-07-21 11:59:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-07-21 11:59:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-07-21 11:59:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:59:19,716 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 11:59:19,716 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 11:59:20,493 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:59:20,495 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:59:20,881 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:59:25,893 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:59:25,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:59:25,914 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:59:25,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:59:25 BoogieIcfgContainer [2022-07-21 11:59:25,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:59:25,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:59:25,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:59:25,921 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:59:25,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:59:14" (1/3) ... [2022-07-21 11:59:25,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75503339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:59:25, skipping insertion in model container [2022-07-21 11:59:25,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:59:18" (2/3) ... [2022-07-21 11:59:25,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75503339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:59:25, skipping insertion in model container [2022-07-21 11:59:25,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:59:25" (3/3) ... [2022-07-21 11:59:25,923 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-07-21 11:59:25,933 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:59:25,933 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:59:25,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:59:26,000 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@1dc48de9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@430a630a [2022-07-21 11:59:26,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:59:26,009 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) [2022-07-21 11:59:26,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 11:59:26,029 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:59:26,030 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] [2022-07-21 11:59:26,031 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:59:26,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:59:26,035 INFO L85 PathProgramCache]: Analyzing trace with hash -1085373338, now seen corresponding path program 1 times [2022-07-21 11:59:26,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:59:26,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778969884] [2022-07-21 11:59:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:59:26,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:59:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:59:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:59:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:59:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:59:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:59:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:59:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:59:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:59:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:59:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 11:59:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:59:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:59:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:59:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:59:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 11:59:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 11:59:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 11:59:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:59:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:59:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 11:59:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 11:59:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 11:59:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 11:59:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 11:59:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 11:59:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:59:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 11:59:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 11:59:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:59:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 11:59:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-21 11:59:27,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:59:27,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778969884] [2022-07-21 11:59:27,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778969884] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:59:27,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:59:27,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:59:27,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444902294] [2022-07-21 11:59:27,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:59:27,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:59:27,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:59:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:59:28,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:59:28,013 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) [2022-07-21 11:59:31,617 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 [] [2022-07-21 11:59:33,905 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 [] [2022-07-21 11:59:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:59:36,702 INFO L93 Difference]: Finished difference Result 5401 states and 8053 transitions. [2022-07-21 11:59:36,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:59:36,707 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 [2022-07-21 11:59:36,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:59:36,749 INFO L225 Difference]: With dead ends: 5401 [2022-07-21 11:59:36,750 INFO L226 Difference]: Without dead ends: 2822 [2022-07-21 11:59:36,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:59:36,772 INFO L413 NwaCegarLoop]: 3488 mSDtfsCounter, 2894 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 2442 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2935 SdHoareTripleChecker+Valid, 5213 SdHoareTripleChecker+Invalid, 3463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2442 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:59:36,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2935 Valid, 5213 Invalid, 3463 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2442 Valid, 1019 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2022-07-21 11:59:36,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2022-07-21 11:59:36,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2544. [2022-07-21 11:59:36,967 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) [2022-07-21 11:59:36,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3687 transitions. [2022-07-21 11:59:36,986 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3687 transitions. Word has length 413 [2022-07-21 11:59:36,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:59:36,988 INFO L495 AbstractCegarLoop]: Abstraction has 2544 states and 3687 transitions. [2022-07-21 11:59:36,988 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) [2022-07-21 11:59:36,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3687 transitions. [2022-07-21 11:59:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 11:59:37,001 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:59:37,002 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] [2022-07-21 11:59:37,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:59:37,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:59:37,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:59:37,003 INFO L85 PathProgramCache]: Analyzing trace with hash -821889264, now seen corresponding path program 1 times [2022-07-21 11:59:37,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:59:37,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337232978] [2022-07-21 11:59:37,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:59:37,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:59:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:59:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:59:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:59:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:59:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:59:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:59:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:59:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:59:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:59:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 11:59:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:59:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:59:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:59:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:59:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 11:59:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 11:59:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 11:59:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:59:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:59:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 11:59:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 11:59:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 11:59:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 11:59:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 11:59:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 11:59:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:59:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 11:59:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 11:59:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:59:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 11:59:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-21 11:59:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:59:38,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337232978] [2022-07-21 11:59:38,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337232978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:59:38,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:59:38,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:59:38,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292790861] [2022-07-21 11:59:38,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:59:38,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:59:38,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:59:38,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:59:38,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:59:38,400 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) [2022-07-21 11:59:42,978 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 [] [2022-07-21 11:59:45,760 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 [] [2022-07-21 11:59:53,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:59:53,411 INFO L93 Difference]: Finished difference Result 7884 states and 11684 transitions. [2022-07-21 11:59:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:59:53,411 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 [2022-07-21 11:59:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:59:53,449 INFO L225 Difference]: With dead ends: 7884 [2022-07-21 11:59:53,450 INFO L226 Difference]: Without dead ends: 5398 [2022-07-21 11:59:53,467 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 [2022-07-21 11:59:53,468 INFO L413 NwaCegarLoop]: 4612 mSDtfsCounter, 6362 mSDsluCounter, 6715 mSDsCounter, 0 mSdLazyCounter, 4215 mSolverCounterSat, 3179 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6701 SdHoareTripleChecker+Valid, 11327 SdHoareTripleChecker+Invalid, 7396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3179 IncrementalHoareTripleChecker+Valid, 4215 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:59:53,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6701 Valid, 11327 Invalid, 7396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3179 Valid, 4215 Invalid, 2 Unknown, 0 Unchecked, 14.4s Time] [2022-07-21 11:59:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5398 states. [2022-07-21 11:59:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5398 to 4923. [2022-07-21 11:59:53,720 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) [2022-07-21 11:59:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 4923 states and 7187 transitions. [2022-07-21 11:59:53,747 INFO L78 Accepts]: Start accepts. Automaton has 4923 states and 7187 transitions. Word has length 413 [2022-07-21 11:59:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:59:53,750 INFO L495 AbstractCegarLoop]: Abstraction has 4923 states and 7187 transitions. [2022-07-21 11:59:53,750 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) [2022-07-21 11:59:53,751 INFO L276 IsEmpty]: Start isEmpty. Operand 4923 states and 7187 transitions. [2022-07-21 11:59:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-07-21 11:59:53,760 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:59:53,760 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] [2022-07-21 11:59:53,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:59:53,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:59:53,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:59:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash -130404555, now seen corresponding path program 1 times [2022-07-21 11:59:53,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:59:53,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672682253] [2022-07-21 11:59:53,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:59:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:59:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:59:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:59:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:59:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:59:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:59:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:59:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:59:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:59:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:59:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 11:59:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:59:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:59:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:59:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:59:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:59:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 11:59:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 11:59:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 11:59:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:59:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:59:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 11:59:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 11:59:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 11:59:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 11:59:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 11:59:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 11:59:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 11:59:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 11:59:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 11:59:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 11:59:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 11:59:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:59:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 11:59:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 11:59:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 11:59:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 11:59:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-21 11:59:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-21 11:59:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:59:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-07-21 11:59:54,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:59:54,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672682253] [2022-07-21 11:59:54,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672682253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:59:54,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:59:54,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:59:54,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405448723] [2022-07-21 11:59:54,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:59:54,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:59:54,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:59:54,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:59:54,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:59:54,984 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) [2022-07-21 11:59:58,867 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 [] [2022-07-21 12:00:01,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:00:03,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:00:18,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:00:18,031 INFO L93 Difference]: Finished difference Result 15895 states and 23727 transitions. [2022-07-21 12:00:18,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:00:18,036 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 [2022-07-21 12:00:18,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:00:18,097 INFO L225 Difference]: With dead ends: 15895 [2022-07-21 12:00:18,097 INFO L226 Difference]: Without dead ends: 11046 [2022-07-21 12:00:18,116 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 [2022-07-21 12:00:18,117 INFO L413 NwaCegarLoop]: 3771 mSDtfsCounter, 7250 mSDsluCounter, 8717 mSDsCounter, 0 mSdLazyCounter, 6667 mSolverCounterSat, 3667 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7671 SdHoareTripleChecker+Valid, 12488 SdHoareTripleChecker+Invalid, 10337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3667 IncrementalHoareTripleChecker+Valid, 6667 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:00:18,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7671 Valid, 12488 Invalid, 10337 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3667 Valid, 6667 Invalid, 3 Unknown, 0 Unchecked, 22.1s Time] [2022-07-21 12:00:18,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11046 states. [2022-07-21 12:00:18,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11046 to 9789. [2022-07-21 12:00:18,469 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) [2022-07-21 12:00:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9789 states to 9789 states and 14444 transitions. [2022-07-21 12:00:18,512 INFO L78 Accepts]: Start accepts. Automaton has 9789 states and 14444 transitions. Word has length 456 [2022-07-21 12:00:18,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:00:18,516 INFO L495 AbstractCegarLoop]: Abstraction has 9789 states and 14444 transitions. [2022-07-21 12:00:18,516 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) [2022-07-21 12:00:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 9789 states and 14444 transitions. [2022-07-21 12:00:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2022-07-21 12:00:18,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:00:18,531 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] [2022-07-21 12:00:18,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:00:18,532 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:00:18,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:00:18,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1782524724, now seen corresponding path program 1 times [2022-07-21 12:00:18,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:00:18,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334545942] [2022-07-21 12:00:18,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:00:18,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:00:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:00:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:18,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:00:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:00:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:00:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:00:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:00:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:00:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:00:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:00:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:00:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:00:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:00:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:00:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:00:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:00:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:00:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:00:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:00:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:00:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:00:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:00:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:00:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:00:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:00:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:00:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:00:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:00:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:00:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:00:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:00:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 12:00:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 12:00:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-21 12:00:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 12:00:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:00:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 12:00:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-21 12:00:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:00:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 12:00:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 12:00:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 12:00:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 12:00:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 12:00:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 12:00:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 12:00:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-21 12:00:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-07-21 12:00:20,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 12:00:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 12:00:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-21 12:00:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-21 12:00:20,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:00:20,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334545942] [2022-07-21 12:00:20,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334545942] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:00:20,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691409288] [2022-07-21 12:00:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:00:20,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:00:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:00:20,887 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) [2022-07-21 12:00:20,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 12:00:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:23,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 6213 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:00:23,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:00:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-21 12:00:23,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:00:23,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691409288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:00:23,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:00:23,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 12:00:23,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685462230] [2022-07-21 12:00:23,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:00:23,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:00:23,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:00:23,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:00:23,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:00:23,397 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) [2022-07-21 12:00:23,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:00:23,844 INFO L93 Difference]: Finished difference Result 19336 states and 28856 transitions. [2022-07-21 12:00:23,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:00:23,859 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 [2022-07-21 12:00:23,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:00:24,000 INFO L225 Difference]: With dead ends: 19336 [2022-07-21 12:00:24,001 INFO L226 Difference]: Without dead ends: 9621 [2022-07-21 12:00:24,096 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 [2022-07-21 12:00:24,111 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 [2022-07-21 12:00:24,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7194 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:00:24,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9621 states. [2022-07-21 12:00:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9621 to 9621. [2022-07-21 12:00:24,743 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) [2022-07-21 12:00:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9621 states to 9621 states and 14108 transitions. [2022-07-21 12:00:24,822 INFO L78 Accepts]: Start accepts. Automaton has 9621 states and 14108 transitions. Word has length 566 [2022-07-21 12:00:24,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:00:24,828 INFO L495 AbstractCegarLoop]: Abstraction has 9621 states and 14108 transitions. [2022-07-21 12:00:24,829 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) [2022-07-21 12:00:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 9621 states and 14108 transitions. [2022-07-21 12:00:24,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2022-07-21 12:00:24,850 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:00:24,851 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] [2022-07-21 12:00:24,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:00:25,051 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 [2022-07-21 12:00:25,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:00:25,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:00:25,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1200379562, now seen corresponding path program 1 times [2022-07-21 12:00:25,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:00:25,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911686766] [2022-07-21 12:00:25,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:00:25,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:00:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:00:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:25,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:00:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:00:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:00:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:00:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:00:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:00:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:00:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:00:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:00:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:00:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:00:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:00:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:00:26,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:00:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:00:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:00:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:00:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:00:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:00:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:00:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:00:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:00:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:00:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:00:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:00:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:00:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:00:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:00:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:00:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 12:00:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-21 12:00:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 12:00:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 12:00:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:00:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-21 12:00:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-21 12:00:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:00:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 12:00:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 12:00:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 12:00:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 12:00:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 12:00:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 12:00:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 12:00:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-07-21 12:00:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-21 12:00:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-21 12:00:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-21 12:00:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-21 12:00:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:27,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-21 12:00:27,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:00:27,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911686766] [2022-07-21 12:00:27,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911686766] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:00:27,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688984179] [2022-07-21 12:00:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:00:27,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:00:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:00:27,240 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) [2022-07-21 12:00:27,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 12:00:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:28,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 6216 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:00:28,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:00:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-21 12:00:28,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:00:28,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688984179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:00:28,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:00:28,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 12:00:28,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136350554] [2022-07-21 12:00:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:00:28,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:00:28,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:00:28,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:00:28,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:00:28,684 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) [2022-07-21 12:00:29,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:00:29,021 INFO L93 Difference]: Finished difference Result 19148 states and 28464 transitions. [2022-07-21 12:00:29,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:00:29,022 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 [2022-07-21 12:00:29,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:00:29,067 INFO L225 Difference]: With dead ends: 19148 [2022-07-21 12:00:29,068 INFO L226 Difference]: Without dead ends: 9601 [2022-07-21 12:00:29,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 761 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:00:29,106 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 [2022-07-21 12:00:29,106 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] [2022-07-21 12:00:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2022-07-21 12:00:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 9597. [2022-07-21 12:00:29,398 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) [2022-07-21 12:00:29,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9597 states to 9597 states and 14048 transitions. [2022-07-21 12:00:29,448 INFO L78 Accepts]: Start accepts. Automaton has 9597 states and 14048 transitions. Word has length 567 [2022-07-21 12:00:29,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:00:29,451 INFO L495 AbstractCegarLoop]: Abstraction has 9597 states and 14048 transitions. [2022-07-21 12:00:29,451 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) [2022-07-21 12:00:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 9597 states and 14048 transitions. [2022-07-21 12:00:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2022-07-21 12:00:29,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:00:29,461 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:00:29,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:00:29,687 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 [2022-07-21 12:00:29,688 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:00:29,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:00:29,688 INFO L85 PathProgramCache]: Analyzing trace with hash 841722232, now seen corresponding path program 1 times [2022-07-21 12:00:29,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:00:29,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412136658] [2022-07-21 12:00:29,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:00:29,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:00:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:00:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:00:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:00:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:00:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:00:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:00:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:00:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:00:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:00:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:00:30,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:00:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:00:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:00:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:00:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:00:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:00:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:00:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:00:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:00:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:00:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:00:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:00:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:00:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:00:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:00:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:00:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:00:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:00:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:00:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:00:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:30,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-21 12:00:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-21 12:00:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:00:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 12:00:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 12:00:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:00:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:00:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:00:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-21 12:00:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 12:00:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 12:00:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 12:00:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 12:00:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 12:00:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 12:00:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-21 12:00:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-21 12:00:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-21 12:00:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-21 12:00:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2022-07-21 12:00:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:00:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-21 12:00:31,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:00:31,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412136658] [2022-07-21 12:00:31,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412136658] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:00:31,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:00:31,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 12:00:31,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034890650] [2022-07-21 12:00:31,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:00:31,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 12:00:31,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:00:31,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 12:00:31,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:00:31,477 INFO L87 Difference]: Start difference. First operand 9597 states and 14048 transitions. Second operand has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-21 12:00:37,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:00:40,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:00:49,993 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 [] [2022-07-21 12:01:23,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:01:23,249 INFO L93 Difference]: Finished difference Result 45244 states and 73707 transitions. [2022-07-21 12:01:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 12:01:23,250 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 543 [2022-07-21 12:01:23,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:01:23,716 INFO L225 Difference]: With dead ends: 45244 [2022-07-21 12:01:23,716 INFO L226 Difference]: Without dead ends: 35721 [2022-07-21 12:01:23,860 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 [2022-07-21 12:01:23,861 INFO L413 NwaCegarLoop]: 5376 mSDtfsCounter, 15933 mSDsluCounter, 14709 mSDsCounter, 0 mSdLazyCounter, 18188 mSolverCounterSat, 12466 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16676 SdHoareTripleChecker+Valid, 20085 SdHoareTripleChecker+Invalid, 30657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12466 IncrementalHoareTripleChecker+Valid, 18188 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:01:23,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16676 Valid, 20085 Invalid, 30657 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12466 Valid, 18188 Invalid, 3 Unknown, 0 Unchecked, 48.5s Time] [2022-07-21 12:01:23,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35721 states. [2022-07-21 12:01:27,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35721 to 31551. [2022-07-21 12:01:27,416 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) [2022-07-21 12:01:28,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31551 states to 31551 states and 48707 transitions. [2022-07-21 12:01:28,491 INFO L78 Accepts]: Start accepts. Automaton has 31551 states and 48707 transitions. Word has length 543 [2022-07-21 12:01:28,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:01:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 31551 states and 48707 transitions. [2022-07-21 12:01:28,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.5) internal successors, (155), 6 states have internal predecessors, (155), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-21 12:01:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31551 states and 48707 transitions. [2022-07-21 12:01:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-07-21 12:01:28,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:01:28,504 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:01:28,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:01:28,505 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:01:28,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:01:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash -17243325, now seen corresponding path program 1 times [2022-07-21 12:01:28,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:01:28,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572532452] [2022-07-21 12:01:28,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:01:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:01:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:01:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:01:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:01:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:01:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:01:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:01:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:01:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:01:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:01:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:01:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:01:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:01:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:01:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:01:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:01:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:01:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:01:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:01:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:01:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:01:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:01:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:01:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:01:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:01:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:01:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:01:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:01:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:01:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:01:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:01:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-21 12:01:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-21 12:01:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:01:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 12:01:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 12:01:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:01:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:01:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:01:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 12:01:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 12:01:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 12:01:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 12:01:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-07-21 12:01:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 12:01:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 12:01:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-21 12:01:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-21 12:01:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 12:01:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-21 12:01:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-21 12:01:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:01:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-21 12:01:29,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:01:29,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572532452] [2022-07-21 12:01:29,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572532452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:01:29,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:01:29,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 12:01:29,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703854155] [2022-07-21 12:01:29,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:01:29,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 12:01:29,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:01:29,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 12:01:29,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:01:29,956 INFO L87 Difference]: Start difference. First operand 31551 states and 48707 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-21 12:01:35,866 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 [] [2022-07-21 12:01:38,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:01:40,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:01:42,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:01:44,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:02:29,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:02:29,804 INFO L93 Difference]: Finished difference Result 165064 states and 339920 transitions. [2022-07-21 12:02:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 12:02:29,825 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 544 [2022-07-21 12:02:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:02:32,952 INFO L225 Difference]: With dead ends: 165064 [2022-07-21 12:02:32,953 INFO L226 Difference]: Without dead ends: 133587 [2022-07-21 12:02:33,503 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 [2022-07-21 12:02:33,504 INFO L413 NwaCegarLoop]: 5382 mSDtfsCounter, 12696 mSDsluCounter, 15000 mSDsCounter, 0 mSdLazyCounter, 18709 mSolverCounterSat, 9326 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13442 SdHoareTripleChecker+Valid, 20382 SdHoareTripleChecker+Invalid, 28040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9326 IncrementalHoareTripleChecker+Valid, 18709 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:02:33,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13442 Valid, 20382 Invalid, 28040 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9326 Valid, 18709 Invalid, 5 Unknown, 0 Unchecked, 46.7s Time] [2022-07-21 12:02:33,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133587 states. [2022-07-21 12:02:41,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133587 to 117681. [2022-07-21 12:02:41,890 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) [2022-07-21 12:02:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117681 states to 117681 states and 216878 transitions. [2022-07-21 12:02:44,021 INFO L78 Accepts]: Start accepts. Automaton has 117681 states and 216878 transitions. Word has length 544 [2022-07-21 12:02:44,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:02:44,023 INFO L495 AbstractCegarLoop]: Abstraction has 117681 states and 216878 transitions. [2022-07-21 12:02:44,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-07-21 12:02:44,023 INFO L276 IsEmpty]: Start isEmpty. Operand 117681 states and 216878 transitions. [2022-07-21 12:02:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2022-07-21 12:02:44,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:02:44,032 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, 1, 1, 1, 1] [2022-07-21 12:02:44,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:02:44,032 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:02:44,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:02:44,033 INFO L85 PathProgramCache]: Analyzing trace with hash 471693032, now seen corresponding path program 1 times [2022-07-21 12:02:44,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:02:44,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547249686] [2022-07-21 12:02:44,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:02:44,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:02:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:02:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:02:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:02:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:02:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:02:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:02:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:02:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:02:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:02:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:44,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:02:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:02:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:02:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:02:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:02:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:02:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:02:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:02:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:02:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:02:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:02:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:02:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:02:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:02:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:02:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:02:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:02:45,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:02:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:02:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:02:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:02:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 12:02:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-21 12:02:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-21 12:02:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 12:02:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:02:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 12:02:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-21 12:02:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:02:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:45,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:02:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:02:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 12:02:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 12:02:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 12:02:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 12:02:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 12:02:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 12:02:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 12:02:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-21 12:02:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 12:02:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-21 12:02:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-21 12:02:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-21 12:02:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-07-21 12:02:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:02:46,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547249686] [2022-07-21 12:02:46,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547249686] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:02:46,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57558533] [2022-07-21 12:02:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:02:46,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:02:46,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:02:46,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 12:02:46,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 12:02:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:02:48,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 6220 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 12:02:48,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:02:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-07-21 12:02:48,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:02:48,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57558533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:02:48,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:02:48,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 12:02:48,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112760247] [2022-07-21 12:02:48,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:02:48,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 12:02:48,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:02:48,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 12:02:48,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:02:48,092 INFO L87 Difference]: Start difference. First operand 117681 states and 216878 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-07-21 12:03:01,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:03:01,772 INFO L93 Difference]: Finished difference Result 235180 states and 484422 transitions. [2022-07-21 12:03:01,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 12:03:01,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 571 [2022-07-21 12:03:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:03:03,121 INFO L225 Difference]: With dead ends: 235180 [2022-07-21 12:03:03,121 INFO L226 Difference]: Without dead ends: 117573 [2022-07-21 12:03:05,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 757 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:03:05,058 INFO L413 NwaCegarLoop]: 3582 mSDtfsCounter, 14 mSDsluCounter, 3566 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7148 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:03:05,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7148 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:03:05,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117573 states. [2022-07-21 12:03:12,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117573 to 117573. [2022-07-21 12:03:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117573 states, 81422 states have (on average 1.325722777627668) internal successors, (107943), 83047 states have internal predecessors, (107943), 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) [2022-07-21 12:03:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117573 states to 117573 states and 216698 transitions. [2022-07-21 12:03:15,551 INFO L78 Accepts]: Start accepts. Automaton has 117573 states and 216698 transitions. Word has length 571 [2022-07-21 12:03:15,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:03:15,553 INFO L495 AbstractCegarLoop]: Abstraction has 117573 states and 216698 transitions. [2022-07-21 12:03:15,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-07-21 12:03:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 117573 states and 216698 transitions. [2022-07-21 12:03:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-21 12:03:15,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:03:15,594 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, 1, 1, 1] [2022-07-21 12:03:15,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 12:03:15,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:03:15,816 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:03:15,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:03:15,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1016196160, now seen corresponding path program 1 times [2022-07-21 12:03:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:03:15,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744553741] [2022-07-21 12:03:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:03:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:03:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:03:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:03:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:03:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:03:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:03:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:03:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:03:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:03:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 12:03:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 12:03:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 12:03:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:03:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 12:03:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:03:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 12:03:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 12:03:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 12:03:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:03:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:03:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 12:03:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:03:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 12:03:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 12:03:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 12:03:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-21 12:03:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 12:03:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:03:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:03:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-21 12:03:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 12:03:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:03:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-21 12:03:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 12:03:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-21 12:03:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-21 12:03:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:03:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:03:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 12:03:18,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 12:03:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 12:03:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 12:03:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 12:03:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 12:03:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 12:03:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 12:03:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-21 12:03:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 12:03:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-21 12:03:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-21 12:03:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-21 12:03:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:03:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-07-21 12:03:18,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:03:18,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744553741] [2022-07-21 12:03:18,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744553741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:03:18,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:03:18,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 12:03:18,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802725487] [2022-07-21 12:03:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:03:18,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 12:03:18,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:03:18,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 12:03:18,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:03:18,969 INFO L87 Difference]: Start difference. First operand 117573 states and 216698 transitions. Second operand has 10 states, 10 states have (on average 16.1) internal successors, (161), 6 states have internal predecessors, (161), 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) [2022-07-21 12:03:25,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:03:27,395 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:03:29,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:03:31,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []