./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-32_7a-drivers--pcmcia--pcmcia_rsrc.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-32_7a-drivers--pcmcia--pcmcia_rsrc.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 afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:26:41,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:26:41,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:26:41,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:26:41,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:26:41,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:26:41,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:26:41,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:26:41,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:26:41,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:26:41,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:26:41,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:26:41,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:26:41,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:26:41,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:26:41,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:26:41,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:26:41,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:26:41,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:26:41,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:26:41,440 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:26:41,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:26:41,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:26:41,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:26:41,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:26:41,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:26:41,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:26:41,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:26:41,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:26:41,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:26:41,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:26:41,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:26:41,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:26:41,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:26:41,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:26:41,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:26:41,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:26:41,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:26:41,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:26:41,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:26:41,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:26:41,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:26:41,468 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:26:41,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:26:41,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:26:41,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:26:41,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:26:41,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:26:41,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:26:41,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:26:41,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:26:41,492 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:26:41,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:26:41,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:26:41,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:26:41,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:26:41,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:26:41,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:26:41,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:26:41,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:26:41,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:26:41,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:26:41,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:26:41,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:26:41,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:41,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:26:41,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:26:41,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:26:41,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:26:41,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:26:41,496 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:26:41,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:26:41,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:26:41,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2022-07-21 12:26:41,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:26:41,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:26:41,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:26:41,817 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:26:41,819 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:26:41,821 INFO L432 ainManager$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-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-21 12:26:41,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2be0941/5285d8e11d49406e8bed85c7f2f7adf9/FLAG654461d4f [2022-07-21 12:26:42,609 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:26:42,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-21 12:26:42,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2be0941/5285d8e11d49406e8bed85c7f2f7adf9/FLAG654461d4f [2022-07-21 12:26:42,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de2be0941/5285d8e11d49406e8bed85c7f2f7adf9 [2022-07-21 12:26:42,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:26:42,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:26:42,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:42,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:26:42,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:26:42,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:42" (1/1) ... [2022-07-21 12:26:42,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468e4930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:42, skipping insertion in model container [2022-07-21 12:26:42,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:26:42" (1/1) ... [2022-07-21 12:26:42,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:26:42,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:26:43,755 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-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-07-21 12:26:43,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:43,859 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:26:44,084 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-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-07-21 12:26:44,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:26:44,163 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:26:44,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44 WrapperNode [2022-07-21 12:26:44,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:26:44,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:44,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:26:44,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:26:44,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,345 INFO L137 Inliner]: procedures = 173, calls = 858, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2095 [2022-07-21 12:26:44,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:26:44,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:26:44,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:26:44,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:26:44,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,531 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:26:44,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:26:44,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:26:44,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:26:44,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (1/1) ... [2022-07-21 12:26:44,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:26:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:26:44,560 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 12:26:44,564 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 12:26:44,592 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 12:26:44,592 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 12:26:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2022-07-21 12:26:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2022-07-21 12:26:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2022-07-21 12:26:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2022-07-21 12:26:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:26:44,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:26:44,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:26:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:26:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:26:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2022-07-21 12:26:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2022-07-21 12:26:44,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:26:44,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:26:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2022-07-21 12:26:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2022-07-21 12:26:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:26:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:26:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2022-07-21 12:26:44,595 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2022-07-21 12:26:44,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-07-21 12:26:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-07-21 12:26:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:26:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:26:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:26:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2022-07-21 12:26:44,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2022-07-21 12:26:44,596 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:26:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:26:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:26:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:26:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-07-21 12:26:44,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-07-21 12:26:44,597 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2022-07-21 12:26:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2022-07-21 12:26:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2022-07-21 12:26:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2022-07-21 12:26:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2022-07-21 12:26:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2022-07-21 12:26:44,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:26:44,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:26:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2022-07-21 12:26:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2022-07-21 12:26:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2022-07-21 12:26:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2022-07-21 12:26:44,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:26:44,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:26:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:26:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:26:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:26:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:26:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:26:44,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:26:44,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:26:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2022-07-21 12:26:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2022-07-21 12:26:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:26:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2022-07-21 12:26:44,601 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2022-07-21 12:26:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:26:44,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:26:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2022-07-21 12:26:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2022-07-21 12:26:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2022-07-21 12:26:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2022-07-21 12:26:44,602 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2022-07-21 12:26:44,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2022-07-21 12:26:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:26:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2022-07-21 12:26:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2022-07-21 12:26:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 12:26:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 12:26:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2022-07-21 12:26:44,603 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2022-07-21 12:26:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2022-07-21 12:26:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2022-07-21 12:26:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:26:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 12:26:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 12:26:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:26:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:26:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:26:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:26:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:26:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:26:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:26:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 12:26:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 12:26:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:26:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-07-21 12:26:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-07-21 12:26:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2022-07-21 12:26:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2022-07-21 12:26:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2022-07-21 12:26:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2022-07-21 12:26:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:26:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:26:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2022-07-21 12:26:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2022-07-21 12:26:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-07-21 12:26:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2022-07-21 12:26:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2022-07-21 12:26:45,008 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:26:45,010 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:26:45,293 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:26:46,575 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:26:46,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:26:46,597 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:26:46,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:26:46 BoogieIcfgContainer [2022-07-21 12:26:46,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:26:46,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:26:46,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:26:46,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:26:46,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:26:42" (1/3) ... [2022-07-21 12:26:46,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c94d214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:26:46, skipping insertion in model container [2022-07-21 12:26:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:26:44" (2/3) ... [2022-07-21 12:26:46,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c94d214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:26:46, skipping insertion in model container [2022-07-21 12:26:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:26:46" (3/3) ... [2022-07-21 12:26:46,612 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-07-21 12:26:46,625 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:26:46,626 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:26:46,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:26:46,712 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@3eefdea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@68215c9c [2022-07-21 12:26:46,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:26:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand has 829 states, 604 states have (on average 1.4089403973509933) internal successors, (851), 621 states have internal predecessors, (851), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2022-07-21 12:26:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-21 12:26:46,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:26:46,751 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:46,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:26:46,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:26:46,755 INFO L85 PathProgramCache]: Analyzing trace with hash -909924229, now seen corresponding path program 1 times [2022-07-21 12:26:46,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:26:46,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460502576] [2022-07-21 12:26:46,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:26:46,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:26:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:26:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:26:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:26:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:26:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:26:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:26:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:26:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:26:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:26:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:26:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:26:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:26:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:26:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:26:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:26:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:26:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:26:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:26:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:26:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:26:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:26:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:26:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:26:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:26:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:26:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:26:47,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:26:47,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460502576] [2022-07-21 12:26:47,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460502576] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:26:47,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:26:47,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:26:47,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227384328] [2022-07-21 12:26:47,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:26:47,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:26:47,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:26:47,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:26:47,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:26:47,714 INFO L87 Difference]: Start difference. First operand has 829 states, 604 states have (on average 1.4089403973509933) internal successors, (851), 621 states have internal predecessors, (851), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:26:49,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:26:49,423 INFO L93 Difference]: Finished difference Result 1842 states and 2807 transitions. [2022-07-21 12:26:49,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:26:49,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2022-07-21 12:26:49,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:26:49,442 INFO L225 Difference]: With dead ends: 1842 [2022-07-21 12:26:49,443 INFO L226 Difference]: Without dead ends: 1002 [2022-07-21 12:26:49,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:26:49,458 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 816 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 828 SdHoareTripleChecker+Valid, 2291 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:26:49,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [828 Valid, 2291 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 12:26:49,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2022-07-21 12:26:49,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 813. [2022-07-21 12:26:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 599 states have (on average 1.3806343906510852) internal successors, (827), 605 states have internal predecessors, (827), 168 states have call successors, (168), 46 states have call predecessors, (168), 45 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2022-07-21 12:26:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1158 transitions. [2022-07-21 12:26:49,559 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1158 transitions. Word has length 262 [2022-07-21 12:26:49,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:26:49,560 INFO L495 AbstractCegarLoop]: Abstraction has 813 states and 1158 transitions. [2022-07-21 12:26:49,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:26:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1158 transitions. [2022-07-21 12:26:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-21 12:26:49,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:26:49,567 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:49,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:26:49,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:26:49,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:26:49,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2108843147, now seen corresponding path program 1 times [2022-07-21 12:26:49,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:26:49,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628817920] [2022-07-21 12:26:49,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:26:49,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:26:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:26:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:26:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:26:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:26:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:26:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:26:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:26:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:26:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:26:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:26:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:26:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:26:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:26:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:26:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:26:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:26:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:26:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:26:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:26:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:26:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:26:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:26:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:26:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:26:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:50,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:26:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:26:50,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:26:50,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628817920] [2022-07-21 12:26:50,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628817920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:26:50,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:26:50,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:26:50,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188553278] [2022-07-21 12:26:50,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:26:50,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:26:50,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:26:50,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:26:50,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:26:50,034 INFO L87 Difference]: Start difference. First operand 813 states and 1158 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:26:52,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:26:52,726 INFO L93 Difference]: Finished difference Result 2673 states and 3904 transitions. [2022-07-21 12:26:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:26:52,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 262 [2022-07-21 12:26:52,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:26:52,739 INFO L225 Difference]: With dead ends: 2673 [2022-07-21 12:26:52,739 INFO L226 Difference]: Without dead ends: 1911 [2022-07-21 12:26:52,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:26:52,744 INFO L413 NwaCegarLoop]: 1214 mSDtfsCounter, 2462 mSDsluCounter, 2031 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 981 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 2247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 981 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:26:52,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 3245 Invalid, 2247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [981 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 12:26:52,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2022-07-21 12:26:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1518. [2022-07-21 12:26:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1133 states have (on average 1.3918799646954987) internal successors, (1577), 1142 states have internal predecessors, (1577), 294 states have call successors, (294), 91 states have call predecessors, (294), 90 states have return successors, (289), 288 states have call predecessors, (289), 289 states have call successors, (289) [2022-07-21 12:26:52,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2160 transitions. [2022-07-21 12:26:52,842 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2160 transitions. Word has length 262 [2022-07-21 12:26:52,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:26:52,846 INFO L495 AbstractCegarLoop]: Abstraction has 1518 states and 2160 transitions. [2022-07-21 12:26:52,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:26:52,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2160 transitions. [2022-07-21 12:26:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 12:26:52,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:26:52,851 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:26:52,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:26:52,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:26:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:26:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash 684923893, now seen corresponding path program 1 times [2022-07-21 12:26:52,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:26:52,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449136788] [2022-07-21 12:26:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:26:52,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:26:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:26:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:26:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:26:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:26:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:26:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:26:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:26:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:26:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:26:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:26:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:26:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:26:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:26:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:26:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:26:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:26:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:26:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:26:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:26:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:26:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:26:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:26:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:26:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:26:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:26:53,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:26:53,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449136788] [2022-07-21 12:26:53,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449136788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:26:53,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:26:53,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:26:53,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905384429] [2022-07-21 12:26:53,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:26:53,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:26:53,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:26:53,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:26:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:26:53,336 INFO L87 Difference]: Start difference. First operand 1518 states and 2160 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-21 12:26:56,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:26:56,325 INFO L93 Difference]: Finished difference Result 5155 states and 7529 transitions. [2022-07-21 12:26:56,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:26:56,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 260 [2022-07-21 12:26:56,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:26:56,357 INFO L225 Difference]: With dead ends: 5155 [2022-07-21 12:26:56,358 INFO L226 Difference]: Without dead ends: 3688 [2022-07-21 12:26:56,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:26:56,375 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 2373 mSDsluCounter, 2648 mSDsCounter, 0 mSdLazyCounter, 1633 mSolverCounterSat, 945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 3909 SdHoareTripleChecker+Invalid, 2578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 1633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:26:56,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 3909 Invalid, 2578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [945 Valid, 1633 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 12:26:56,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3688 states. [2022-07-21 12:26:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3688 to 2928. [2022-07-21 12:26:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2928 states, 2202 states have (on average 1.3978201634877385) internal successors, (3078), 2215 states have internal predecessors, (3078), 545 states have call successors, (545), 181 states have call predecessors, (545), 180 states have return successors, (540), 539 states have call predecessors, (540), 540 states have call successors, (540) [2022-07-21 12:26:56,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 2928 states and 4163 transitions. [2022-07-21 12:26:56,581 INFO L78 Accepts]: Start accepts. Automaton has 2928 states and 4163 transitions. Word has length 260 [2022-07-21 12:26:56,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:26:56,583 INFO L495 AbstractCegarLoop]: Abstraction has 2928 states and 4163 transitions. [2022-07-21 12:26:56,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-21 12:26:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2928 states and 4163 transitions. [2022-07-21 12:26:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-21 12:26:56,588 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:26:56,589 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:26:56,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:26:56,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:26:56,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:26:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash -921682719, now seen corresponding path program 1 times [2022-07-21 12:26:56,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:26:56,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152764804] [2022-07-21 12:26:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:26:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:26:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:26:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:26:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:26:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:26:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:26:56,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:26:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:26:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:26:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:26:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:26:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:26:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:26:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:26:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:26:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:26:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:26:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:56,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:26:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:26:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:26:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:26:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:26:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:26:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:26:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:26:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:26:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:26:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 12:26:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:26:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:26:57,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:26:57,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152764804] [2022-07-21 12:26:57,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152764804] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:26:57,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:26:57,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:26:57,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767480569] [2022-07-21 12:26:57,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:26:57,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:26:57,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:26:57,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:26:57,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:26:57,082 INFO L87 Difference]: Start difference. First operand 2928 states and 4163 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:27:00,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:00,260 INFO L93 Difference]: Finished difference Result 10060 states and 14649 transitions. [2022-07-21 12:27:00,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:27:00,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 264 [2022-07-21 12:27:00,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:00,314 INFO L225 Difference]: With dead ends: 10060 [2022-07-21 12:27:00,315 INFO L226 Difference]: Without dead ends: 7183 [2022-07-21 12:27:00,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:27:00,330 INFO L413 NwaCegarLoop]: 1244 mSDtfsCounter, 2432 mSDsluCounter, 2629 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2538 SdHoareTripleChecker+Valid, 3873 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:00,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2538 Valid, 3873 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 12:27:00,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7183 states. [2022-07-21 12:27:00,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7183 to 5654. [2022-07-21 12:27:00,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 4272 states have (on average 1.4002808988764044) internal successors, (5982), 4295 states have internal predecessors, (5982), 1021 states have call successors, (1021), 361 states have call predecessors, (1021), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-21 12:27:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 8019 transitions. [2022-07-21 12:27:00,625 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 8019 transitions. Word has length 264 [2022-07-21 12:27:00,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:00,626 INFO L495 AbstractCegarLoop]: Abstraction has 5654 states and 8019 transitions. [2022-07-21 12:27:00,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-21 12:27:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 8019 transitions. [2022-07-21 12:27:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-21 12:27:00,630 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:00,630 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:00,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:27:00,631 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:00,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:00,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1565957304, now seen corresponding path program 1 times [2022-07-21 12:27:00,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:00,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595654769] [2022-07-21 12:27:00,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:00,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:27:01,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:01,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595654769] [2022-07-21 12:27:01,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595654769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:01,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:01,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:27:01,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021458094] [2022-07-21 12:27:01,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:01,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:27:01,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:01,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:27:01,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:27:01,153 INFO L87 Difference]: Start difference. First operand 5654 states and 8019 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:02,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:02,919 INFO L93 Difference]: Finished difference Result 7168 states and 10540 transitions. [2022-07-21 12:27:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:27:02,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 262 [2022-07-21 12:27:02,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:02,963 INFO L225 Difference]: With dead ends: 7168 [2022-07-21 12:27:02,963 INFO L226 Difference]: Without dead ends: 7165 [2022-07-21 12:27:02,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:27:02,969 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 1741 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 2739 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:02,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 2739 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 12:27:02,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7165 states. [2022-07-21 12:27:03,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7165 to 5653. [2022-07-21 12:27:03,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5653 states, 4272 states have (on average 1.4000468164794007) internal successors, (5981), 4294 states have internal predecessors, (5981), 1020 states have call successors, (1020), 361 states have call predecessors, (1020), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-21 12:27:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 5653 states and 8017 transitions. [2022-07-21 12:27:03,280 INFO L78 Accepts]: Start accepts. Automaton has 5653 states and 8017 transitions. Word has length 262 [2022-07-21 12:27:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:03,284 INFO L495 AbstractCegarLoop]: Abstraction has 5653 states and 8017 transitions. [2022-07-21 12:27:03,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 5653 states and 8017 transitions. [2022-07-21 12:27:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-21 12:27:03,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:03,293 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:03,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:27:03,294 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:03,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:03,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1299740332, now seen corresponding path program 1 times [2022-07-21 12:27:03,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:03,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314780333] [2022-07-21 12:27:03,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:03,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:03,735 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:27:03,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:03,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314780333] [2022-07-21 12:27:03,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314780333] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:03,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:03,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:27:03,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299388331] [2022-07-21 12:27:03,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:03,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:27:03,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:03,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:27:03,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:27:03,737 INFO L87 Difference]: Start difference. First operand 5653 states and 8017 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:05,534 INFO L93 Difference]: Finished difference Result 7167 states and 10538 transitions. [2022-07-21 12:27:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:27:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 263 [2022-07-21 12:27:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:05,586 INFO L225 Difference]: With dead ends: 7167 [2022-07-21 12:27:05,587 INFO L226 Difference]: Without dead ends: 7164 [2022-07-21 12:27:05,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:27:05,595 INFO L413 NwaCegarLoop]: 1101 mSDtfsCounter, 1737 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1823 SdHoareTripleChecker+Valid, 2737 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:05,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1823 Valid, 2737 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 12:27:05,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2022-07-21 12:27:05,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 5652. [2022-07-21 12:27:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5652 states, 4272 states have (on average 1.399812734082397) internal successors, (5980), 4293 states have internal predecessors, (5980), 1019 states have call successors, (1019), 361 states have call predecessors, (1019), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-07-21 12:27:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8015 transitions. [2022-07-21 12:27:05,997 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8015 transitions. Word has length 263 [2022-07-21 12:27:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:05,998 INFO L495 AbstractCegarLoop]: Abstraction has 5652 states and 8015 transitions. [2022-07-21 12:27:05,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8015 transitions. [2022-07-21 12:27:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-21 12:27:06,004 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:06,004 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:27:06,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:27:06,005 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:06,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:06,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1636953659, now seen corresponding path program 1 times [2022-07-21 12:27:06,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:06,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25906964] [2022-07-21 12:27:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:06,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:06,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2022-07-21 12:27:06,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:06,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25906964] [2022-07-21 12:27:06,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25906964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:06,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:06,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:27:06,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850881904] [2022-07-21 12:27:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:06,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:27:06,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:06,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:27:06,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:27:06,474 INFO L87 Difference]: Start difference. First operand 5652 states and 8015 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:08,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:08,413 INFO L93 Difference]: Finished difference Result 14533 states and 21204 transitions. [2022-07-21 12:27:08,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:27:08,414 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 264 [2022-07-21 12:27:08,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:08,461 INFO L225 Difference]: With dead ends: 14533 [2022-07-21 12:27:08,461 INFO L226 Difference]: Without dead ends: 8926 [2022-07-21 12:27:08,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:27:08,487 INFO L413 NwaCegarLoop]: 1152 mSDtfsCounter, 2308 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 958 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2375 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 1803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:08,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2375 Valid, 2597 Invalid, 1803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 958 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 12:27:08,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8926 states. [2022-07-21 12:27:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8926 to 6900. [2022-07-21 12:27:08,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6900 states, 5229 states have (on average 1.3939567794989483) internal successors, (7289), 5273 states have internal predecessors, (7289), 1194 states have call successors, (1194), 470 states have call predecessors, (1194), 476 states have return successors, (1270), 1180 states have call predecessors, (1270), 1190 states have call successors, (1270) [2022-07-21 12:27:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6900 states to 6900 states and 9753 transitions. [2022-07-21 12:27:08,845 INFO L78 Accepts]: Start accepts. Automaton has 6900 states and 9753 transitions. Word has length 264 [2022-07-21 12:27:08,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:08,846 INFO L495 AbstractCegarLoop]: Abstraction has 6900 states and 9753 transitions. [2022-07-21 12:27:08,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 12:27:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 6900 states and 9753 transitions. [2022-07-21 12:27:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-07-21 12:27:08,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:08,851 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:27:08,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:27:08,851 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:08,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:08,852 INFO L85 PathProgramCache]: Analyzing trace with hash -15773498, now seen corresponding path program 1 times [2022-07-21 12:27:08,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:08,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185572491] [2022-07-21 12:27:08,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 12:27:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-07-21 12:27:09,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:09,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185572491] [2022-07-21 12:27:09,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185572491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:09,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:09,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:27:09,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825710543] [2022-07-21 12:27:09,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:09,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:27:09,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:09,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:27:09,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:27:09,400 INFO L87 Difference]: Start difference. First operand 6900 states and 9753 transitions. Second operand has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 12:27:12,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:12,707 INFO L93 Difference]: Finished difference Result 26612 states and 39121 transitions. [2022-07-21 12:27:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:27:12,707 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 368 [2022-07-21 12:27:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:12,812 INFO L225 Difference]: With dead ends: 26612 [2022-07-21 12:27:12,813 INFO L226 Difference]: Without dead ends: 19763 [2022-07-21 12:27:12,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:27:12,852 INFO L413 NwaCegarLoop]: 1313 mSDtfsCounter, 3402 mSDsluCounter, 2830 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 1426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3570 SdHoareTripleChecker+Valid, 4143 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1426 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:12,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3570 Valid, 4143 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1426 Valid, 1775 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 12:27:12,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19763 states. [2022-07-21 12:27:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19763 to 14100. [2022-07-21 12:27:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14100 states, 10725 states have (on average 1.396083916083916) internal successors, (14973), 10853 states have internal predecessors, (14973), 2358 states have call successors, (2358), 938 states have call predecessors, (2358), 1016 states have return successors, (2850), 2356 states have call predecessors, (2850), 2354 states have call successors, (2850) [2022-07-21 12:27:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14100 states to 14100 states and 20181 transitions. [2022-07-21 12:27:13,845 INFO L78 Accepts]: Start accepts. Automaton has 14100 states and 20181 transitions. Word has length 368 [2022-07-21 12:27:13,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:13,847 INFO L495 AbstractCegarLoop]: Abstraction has 14100 states and 20181 transitions. [2022-07-21 12:27:13,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 3 states have internal predecessors, (110), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 12:27:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 14100 states and 20181 transitions. [2022-07-21 12:27:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-21 12:27:13,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:13,852 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:27:13,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 12:27:13,853 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash 179110648, now seen corresponding path program 1 times [2022-07-21 12:27:13,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:13,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892660407] [2022-07-21 12:27:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:14,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 12:27:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 12:27:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 12:27:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-07-21 12:27:14,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:14,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892660407] [2022-07-21 12:27:14,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892660407] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:14,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:14,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:27:14,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186428916] [2022-07-21 12:27:14,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:14,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:27:14,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:14,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:27:14,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:27:14,659 INFO L87 Difference]: Start difference. First operand 14100 states and 20181 transitions. Second operand has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 12:27:18,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:18,676 INFO L93 Difference]: Finished difference Result 48738 states and 71573 transitions. [2022-07-21 12:27:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:27:18,677 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 369 [2022-07-21 12:27:18,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:18,950 INFO L225 Difference]: With dead ends: 48738 [2022-07-21 12:27:18,951 INFO L226 Difference]: Without dead ends: 34689 [2022-07-21 12:27:19,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:27:19,041 INFO L413 NwaCegarLoop]: 1886 mSDtfsCounter, 2733 mSDsluCounter, 2701 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 1459 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2904 SdHoareTripleChecker+Valid, 4587 SdHoareTripleChecker+Invalid, 2974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1459 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:19,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2904 Valid, 4587 Invalid, 2974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1459 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-21 12:27:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34689 states. [2022-07-21 12:27:20,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34689 to 24724. [2022-07-21 12:27:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24724 states, 18761 states have (on average 1.391556953254091) internal successors, (26107), 18977 states have internal predecessors, (26107), 4156 states have call successors, (4156), 1688 states have call predecessors, (4156), 1806 states have return successors, (4928), 4146 states have call predecessors, (4928), 4152 states have call successors, (4928) [2022-07-21 12:27:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24724 states to 24724 states and 35191 transitions. [2022-07-21 12:27:21,088 INFO L78 Accepts]: Start accepts. Automaton has 24724 states and 35191 transitions. Word has length 369 [2022-07-21 12:27:21,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:21,089 INFO L495 AbstractCegarLoop]: Abstraction has 24724 states and 35191 transitions. [2022-07-21 12:27:21,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.875) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-21 12:27:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 24724 states and 35191 transitions. [2022-07-21 12:27:21,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-21 12:27:21,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:21,097 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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] [2022-07-21 12:27:21,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 12:27:21,098 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:21,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1646815934, now seen corresponding path program 1 times [2022-07-21 12:27:21,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:21,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295157417] [2022-07-21 12:27:21,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:27:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:27:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:27:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 12:27:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:27:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-21 12:27:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 12:27:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 12:27:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2745 trivial. 0 not checked. [2022-07-21 12:27:21,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:21,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295157417] [2022-07-21 12:27:21,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295157417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:21,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:21,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:27:21,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466681236] [2022-07-21 12:27:21,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:21,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:27:21,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:21,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:27:21,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:27:21,918 INFO L87 Difference]: Start difference. First operand 24724 states and 35191 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:27:26,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:26,043 INFO L93 Difference]: Finished difference Result 37204 states and 54597 transitions. [2022-07-21 12:27:26,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 12:27:26,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 457 [2022-07-21 12:27:26,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:26,248 INFO L225 Difference]: With dead ends: 37204 [2022-07-21 12:27:26,248 INFO L226 Difference]: Without dead ends: 32432 [2022-07-21 12:27:26,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:27:26,289 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 2039 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 2061 mSolverCounterSat, 1179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 3268 SdHoareTripleChecker+Invalid, 3240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1179 IncrementalHoareTripleChecker+Valid, 2061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:26,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 3268 Invalid, 3240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1179 Valid, 2061 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-21 12:27:26,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32432 states. [2022-07-21 12:27:27,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32432 to 22492. [2022-07-21 12:27:27,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22492 states, 17024 states have (on average 1.3862781954887218) internal successors, (23600), 17143 states have internal predecessors, (23600), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-07-21 12:27:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22492 states to 22492 states and 31337 transitions. [2022-07-21 12:27:27,746 INFO L78 Accepts]: Start accepts. Automaton has 22492 states and 31337 transitions. Word has length 457 [2022-07-21 12:27:27,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:27,747 INFO L495 AbstractCegarLoop]: Abstraction has 22492 states and 31337 transitions. [2022-07-21 12:27:27,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (42), 7 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-07-21 12:27:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 22492 states and 31337 transitions. [2022-07-21 12:27:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-07-21 12:27:27,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:27,843 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:27:27,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 12:27:27,844 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:27,844 INFO L85 PathProgramCache]: Analyzing trace with hash -569679682, now seen corresponding path program 1 times [2022-07-21 12:27:27,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:27,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543145358] [2022-07-21 12:27:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:27,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:27:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:27:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:27:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 12:27:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:27:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 12:27:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-21 12:27:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-21 12:27:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2788 trivial. 0 not checked. [2022-07-21 12:27:28,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:28,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543145358] [2022-07-21 12:27:28,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543145358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:28,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:28,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:27:28,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646280632] [2022-07-21 12:27:28,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:28,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:27:28,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:28,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:27:28,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:27:28,928 INFO L87 Difference]: Start difference. First operand 22492 states and 31337 transitions. Second operand has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-21 12:27:32,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:32,095 INFO L93 Difference]: Finished difference Result 55757 states and 80495 transitions. [2022-07-21 12:27:32,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:27:32,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 550 [2022-07-21 12:27:32,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:32,351 INFO L225 Difference]: With dead ends: 55757 [2022-07-21 12:27:32,351 INFO L226 Difference]: Without dead ends: 33316 [2022-07-21 12:27:32,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:27:32,416 INFO L413 NwaCegarLoop]: 1120 mSDtfsCounter, 967 mSDsluCounter, 2661 mSDsCounter, 0 mSdLazyCounter, 1268 mSolverCounterSat, 509 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 509 IncrementalHoareTripleChecker+Valid, 1268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:32,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 3781 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [509 Valid, 1268 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 12:27:32,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33316 states. [2022-07-21 12:27:33,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33316 to 22516. [2022-07-21 12:27:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22516 states, 17048 states have (on average 1.385734396996715) internal successors, (23624), 17167 states have internal predecessors, (23624), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-07-21 12:27:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22516 states to 22516 states and 31361 transitions. [2022-07-21 12:27:33,670 INFO L78 Accepts]: Start accepts. Automaton has 22516 states and 31361 transitions. Word has length 550 [2022-07-21 12:27:33,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:33,672 INFO L495 AbstractCegarLoop]: Abstraction has 22516 states and 31361 transitions. [2022-07-21 12:27:33,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.0) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-21 12:27:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 22516 states and 31361 transitions. [2022-07-21 12:27:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2022-07-21 12:27:33,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:33,772 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:27:33,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 12:27:33,773 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:33,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash 2077924672, now seen corresponding path program 1 times [2022-07-21 12:27:33,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:33,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642984574] [2022-07-21 12:27:33,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:27:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:27:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:27:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 12:27:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:27:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 12:27:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-21 12:27:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-21 12:27:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2767 trivial. 0 not checked. [2022-07-21 12:27:34,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:34,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642984574] [2022-07-21 12:27:34,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642984574] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:27:34,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993455636] [2022-07-21 12:27:34,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:34,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:27:34,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:27:34,816 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 12:27:34,819 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 12:27:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:36,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 4162 conjuncts, 72 conjunts are in the unsatisfiable core [2022-07-21 12:27:36,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:27:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2788 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2761 trivial. 0 not checked. [2022-07-21 12:27:36,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:27:36,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993455636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:36,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:27:36,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [15] total 16 [2022-07-21 12:27:36,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740922613] [2022-07-21 12:27:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:36,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 12:27:36,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:36,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 12:27:36,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-07-21 12:27:36,316 INFO L87 Difference]: Start difference. First operand 22516 states and 31361 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-21 12:27:37,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:37,438 INFO L93 Difference]: Finished difference Result 46029 states and 64759 transitions. [2022-07-21 12:27:37,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 12:27:37,439 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) Word has length 550 [2022-07-21 12:27:37,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:37,550 INFO L225 Difference]: With dead ends: 46029 [2022-07-21 12:27:37,550 INFO L226 Difference]: Without dead ends: 23564 [2022-07-21 12:27:37,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 727 GetRequests, 712 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-07-21 12:27:37,626 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 19 mSDsluCounter, 10288 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11435 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:37,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 11435 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:27:37,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23564 states. [2022-07-21 12:27:38,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23564 to 23036. [2022-07-21 12:27:38,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23036 states, 17448 states have (on average 1.3791838606143971) internal successors, (24064), 17567 states have internal predecessors, (24064), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1700 states have return successors, (4154), 3933 states have call predecessors, (4154), 3850 states have call successors, (4154) [2022-07-21 12:27:38,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23036 states to 23036 states and 32105 transitions. [2022-07-21 12:27:38,625 INFO L78 Accepts]: Start accepts. Automaton has 23036 states and 32105 transitions. Word has length 550 [2022-07-21 12:27:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:38,626 INFO L495 AbstractCegarLoop]: Abstraction has 23036 states and 32105 transitions. [2022-07-21 12:27:38,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 8 states have internal predecessors, (152), 2 states have call successors, (54), 2 states have call predecessors, (54), 5 states have return successors, (48), 5 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-21 12:27:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 23036 states and 32105 transitions. [2022-07-21 12:27:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 563 [2022-07-21 12:27:38,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:38,698 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:27:38,737 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 12:27:38,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-21 12:27:38,912 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:38,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:38,912 INFO L85 PathProgramCache]: Analyzing trace with hash 792694368, now seen corresponding path program 1 times [2022-07-21 12:27:38,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:38,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166095534] [2022-07-21 12:27:38,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:38,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:27:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:27:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:39,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:27:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 12:27:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:27:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 12:27:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 12:27:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 12:27:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2934 trivial. 0 not checked. [2022-07-21 12:27:39,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166095534] [2022-07-21 12:27:39,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166095534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:39,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:27:39,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 12:27:39,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332334023] [2022-07-21 12:27:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:39,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:27:39,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:27:39,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:27:39,737 INFO L87 Difference]: Start difference. First operand 23036 states and 32105 transitions. Second operand has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 12:27:44,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:44,359 INFO L93 Difference]: Finished difference Result 55741 states and 80479 transitions. [2022-07-21 12:27:44,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 12:27:44,360 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) Word has length 562 [2022-07-21 12:27:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:44,500 INFO L225 Difference]: With dead ends: 55741 [2022-07-21 12:27:44,501 INFO L226 Difference]: Without dead ends: 32756 [2022-07-21 12:27:44,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2022-07-21 12:27:44,579 INFO L413 NwaCegarLoop]: 1090 mSDtfsCounter, 1431 mSDsluCounter, 6952 mSDsCounter, 0 mSdLazyCounter, 3016 mSolverCounterSat, 880 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1463 SdHoareTripleChecker+Valid, 8042 SdHoareTripleChecker+Invalid, 3896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 880 IncrementalHoareTripleChecker+Valid, 3016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:44,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1463 Valid, 8042 Invalid, 3896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [880 Valid, 3016 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-21 12:27:44,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32756 states. [2022-07-21 12:27:45,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32756 to 23276. [2022-07-21 12:27:45,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23276 states, 17648 states have (on average 1.3748866727107887) internal successors, (24264), 17727 states have internal predecessors, (24264), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1740 states have return successors, (4234), 4013 states have call predecessors, (4234), 3850 states have call successors, (4234) [2022-07-21 12:27:45,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23276 states to 23276 states and 32385 transitions. [2022-07-21 12:27:45,884 INFO L78 Accepts]: Start accepts. Automaton has 23276 states and 32385 transitions. Word has length 562 [2022-07-21 12:27:45,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:45,885 INFO L495 AbstractCegarLoop]: Abstraction has 23276 states and 32385 transitions. [2022-07-21 12:27:45,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 10.692307692307692) internal successors, (139), 6 states have internal predecessors, (139), 2 states have call successors, (51), 7 states have call predecessors, (51), 3 states have return successors, (45), 3 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-21 12:27:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 23276 states and 32385 transitions. [2022-07-21 12:27:45,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2022-07-21 12:27:45,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:45,943 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:27:45,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 12:27:45,944 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:45,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:45,944 INFO L85 PathProgramCache]: Analyzing trace with hash -227736213, now seen corresponding path program 1 times [2022-07-21 12:27:45,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:45,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897020463] [2022-07-21 12:27:45,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:45,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:27:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 12:27:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 12:27:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 12:27:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 12:27:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:27:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 12:27:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-21 12:27:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 12:27:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:27:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 12:27:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:27:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 12:27:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 12:27:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 12:27:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 12:27:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 12:27:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:27:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:27:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-21 12:27:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:46,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-21 12:27:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-21 12:27:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 12:27:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 12:27:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:47,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3022 backedges. 258 proven. 13 refuted. 0 times theorem prover too weak. 2751 trivial. 0 not checked. [2022-07-21 12:27:47,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:47,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897020463] [2022-07-21 12:27:47,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897020463] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:27:47,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474658592] [2022-07-21 12:27:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:47,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:27:47,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:27:47,268 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 12:27:47,293 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 12:27:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:48,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 4240 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-21 12:27:48,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:27:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3022 backedges. 1291 proven. 0 refuted. 0 times theorem prover too weak. 1731 trivial. 0 not checked. [2022-07-21 12:27:48,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:27:48,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474658592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:27:48,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:27:48,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21] total 23 [2022-07-21 12:27:48,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472877012] [2022-07-21 12:27:48,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:27:48,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 12:27:48,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:48,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 12:27:48,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2022-07-21 12:27:48,971 INFO L87 Difference]: Start difference. First operand 23276 states and 32385 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-21 12:27:50,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:27:50,032 INFO L93 Difference]: Finished difference Result 46660 states and 65077 transitions. [2022-07-21 12:27:50,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:27:50,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 568 [2022-07-21 12:27:50,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:27:50,165 INFO L225 Difference]: With dead ends: 46660 [2022-07-21 12:27:50,165 INFO L226 Difference]: Without dead ends: 23308 [2022-07-21 12:27:50,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 731 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-07-21 12:27:50,242 INFO L413 NwaCegarLoop]: 1143 mSDtfsCounter, 3 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3384 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:27:50,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3384 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 12:27:50,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23308 states. [2022-07-21 12:27:51,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23308 to 23308. [2022-07-21 12:27:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23308 states, 17680 states have (on average 1.37420814479638) internal successors, (24296), 17759 states have internal predecessors, (24296), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1740 states have return successors, (4234), 4013 states have call predecessors, (4234), 3850 states have call successors, (4234) [2022-07-21 12:27:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23308 states to 23308 states and 32417 transitions. [2022-07-21 12:27:51,644 INFO L78 Accepts]: Start accepts. Automaton has 23308 states and 32417 transitions. Word has length 568 [2022-07-21 12:27:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:27:51,645 INFO L495 AbstractCegarLoop]: Abstraction has 23308 states and 32417 transitions. [2022-07-21 12:27:51,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-21 12:27:51,645 INFO L276 IsEmpty]: Start isEmpty. Operand 23308 states and 32417 transitions. [2022-07-21 12:27:51,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2022-07-21 12:27:51,740 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:27:51,741 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:27:51,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-21 12:27:51,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 12:27:51,956 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:27:51,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:27:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1408426491, now seen corresponding path program 1 times [2022-07-21 12:27:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:27:51,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916073202] [2022-07-21 12:27:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:51,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:27:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:27:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:27:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:27:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:27:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:27:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:27:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:27:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:27:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 12:27:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:27:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 12:27:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 12:27:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 12:27:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:27:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:27:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:27:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-21 12:27:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 12:27:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:27:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 12:27:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 12:27:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 12:27:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 12:27:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:27:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:27:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 12:27:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:27:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:27:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:27:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:27:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:27:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 12:27:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-21 12:27:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:27:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 12:27:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2022-07-21 12:27:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:27:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-07-21 12:27:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:27:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:27:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 3215 trivial. 0 not checked. [2022-07-21 12:27:53,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:27:53,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916073202] [2022-07-21 12:27:53,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916073202] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:27:53,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202841106] [2022-07-21 12:27:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:27:53,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:27:53,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:27:53,285 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 12:27:53,287 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 12:27:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:27:54,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 4350 conjuncts, 74 conjunts are in the unsatisfiable core [2022-07-21 12:27:54,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:27:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 80 proven. 19 refuted. 0 times theorem prover too weak. 3137 trivial. 0 not checked. [2022-07-21 12:27:54,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:27:55,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3236 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3215 trivial. 0 not checked. [2022-07-21 12:27:55,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202841106] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:27:55,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 12:27:55,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17, 16] total 38 [2022-07-21 12:27:55,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246348949] [2022-07-21 12:27:55,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 12:27:55,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-07-21 12:27:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:27:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-07-21 12:27:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1312, Unknown=0, NotChecked=0, Total=1406 [2022-07-21 12:27:55,906 INFO L87 Difference]: Start difference. First operand 23308 states and 32417 transitions. Second operand has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-21 12:28:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:06,031 INFO L93 Difference]: Finished difference Result 60317 states and 91503 transitions. [2022-07-21 12:28:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-07-21 12:28:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) Word has length 572 [2022-07-21 12:28:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:06,214 INFO L225 Difference]: With dead ends: 60317 [2022-07-21 12:28:06,214 INFO L226 Difference]: Without dead ends: 37060 [2022-07-21 12:28:06,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1349 GetRequests, 1289 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=289, Invalid=3493, Unknown=0, NotChecked=0, Total=3782 [2022-07-21 12:28:06,295 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 641 mSDsluCounter, 26933 mSDsCounter, 0 mSdLazyCounter, 12177 mSolverCounterSat, 353 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 28091 SdHoareTripleChecker+Invalid, 12530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 353 IncrementalHoareTripleChecker+Valid, 12177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:06,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 28091 Invalid, 12530 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [353 Valid, 12177 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-21 12:28:06,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37060 states. [2022-07-21 12:28:07,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37060 to 24108. [2022-07-21 12:28:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24108 states, 18280 states have (on average 1.361925601750547) internal successors, (24896), 18399 states have internal predecessors, (24896), 3927 states have call successors, (3927), 1615 states have call predecessors, (3927), 1900 states have return successors, (4690), 4173 states have call predecessors, (4690), 3890 states have call successors, (4690) [2022-07-21 12:28:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24108 states to 24108 states and 33513 transitions. [2022-07-21 12:28:07,703 INFO L78 Accepts]: Start accepts. Automaton has 24108 states and 33513 transitions. Word has length 572 [2022-07-21 12:28:07,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:07,704 INFO L495 AbstractCegarLoop]: Abstraction has 24108 states and 33513 transitions. [2022-07-21 12:28:07,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 5.368421052631579) internal successors, (204), 22 states have internal predecessors, (204), 4 states have call successors, (98), 7 states have call predecessors, (98), 12 states have return successors, (60), 15 states have call predecessors, (60), 4 states have call successors, (60) [2022-07-21 12:28:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 24108 states and 33513 transitions. [2022-07-21 12:28:07,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2022-07-21 12:28:07,745 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:07,745 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:07,776 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 12:28:07,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:28:07,947 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:07,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:07,947 INFO L85 PathProgramCache]: Analyzing trace with hash -668754077, now seen corresponding path program 1 times [2022-07-21 12:28:07,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:28:07,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747198875] [2022-07-21 12:28:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:07,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:28:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:28:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:28:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:28:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:28:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:28:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:28:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:28:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:28:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 12:28:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:28:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 12:28:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 12:28:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 12:28:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:28:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:28:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:28:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-21 12:28:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 12:28:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:28:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 12:28:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 12:28:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 12:28:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 12:28:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:28:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:28:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 12:28:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:28:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:28:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:28:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:28:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:28:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 12:28:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-21 12:28:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-21 12:28:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-21 12:28:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-21 12:28:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:08,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3398 trivial. 0 not checked. [2022-07-21 12:28:08,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:28:08,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747198875] [2022-07-21 12:28:08,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747198875] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:28:08,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:28:08,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-21 12:28:08,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289876731] [2022-07-21 12:28:08,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:28:08,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-21 12:28:08,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:28:08,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-21 12:28:08,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:28:08,977 INFO L87 Difference]: Start difference. First operand 24108 states and 33513 transitions. Second operand has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 5 states have internal predecessors, (148), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 12:28:14,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:14,049 INFO L93 Difference]: Finished difference Result 60317 states and 89079 transitions. [2022-07-21 12:28:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-21 12:28:14,050 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 5 states have internal predecessors, (148), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 592 [2022-07-21 12:28:14,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:14,202 INFO L225 Difference]: With dead ends: 60317 [2022-07-21 12:28:14,202 INFO L226 Difference]: Without dead ends: 36260 [2022-07-21 12:28:14,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2022-07-21 12:28:14,278 INFO L413 NwaCegarLoop]: 1115 mSDtfsCounter, 927 mSDsluCounter, 6120 mSDsCounter, 0 mSdLazyCounter, 2928 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 970 SdHoareTripleChecker+Valid, 7235 SdHoareTripleChecker+Invalid, 3348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 2928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:14,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [970 Valid, 7235 Invalid, 3348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 2928 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 12:28:14,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36260 states. [2022-07-21 12:28:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36260 to 26052. [2022-07-21 12:28:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26052 states, 19784 states have (on average 1.3598867771936918) internal successors, (26904), 19879 states have internal predecessors, (26904), 4279 states have call successors, (4279), 1703 states have call predecessors, (4279), 1988 states have return successors, (5266), 4549 states have call predecessors, (5266), 4242 states have call successors, (5266) [2022-07-21 12:28:15,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26052 states to 26052 states and 36449 transitions. [2022-07-21 12:28:15,729 INFO L78 Accepts]: Start accepts. Automaton has 26052 states and 36449 transitions. Word has length 592 [2022-07-21 12:28:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 26052 states and 36449 transitions. [2022-07-21 12:28:15,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.333333333333334) internal successors, (148), 5 states have internal predecessors, (148), 4 states have call successors, (51), 10 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 12:28:15,730 INFO L276 IsEmpty]: Start isEmpty. Operand 26052 states and 36449 transitions. [2022-07-21 12:28:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-07-21 12:28:15,970 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:15,970 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:28:15,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 12:28:15,971 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:15,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:15,971 INFO L85 PathProgramCache]: Analyzing trace with hash 444209414, now seen corresponding path program 1 times [2022-07-21 12:28:15,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:28:15,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559922418] [2022-07-21 12:28:15,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:28:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:28:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:28:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:28:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:28:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:28:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:28:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:28:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:28:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 12:28:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 12:28:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 12:28:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 12:28:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-21 12:28:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 12:28:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 12:28:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 12:28:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-21 12:28:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-21 12:28:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:28:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 12:28:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 12:28:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 12:28:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 12:28:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:28:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:28:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 12:28:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:28:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 12:28:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:28:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:28:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-21 12:28:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-21 12:28:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-21 12:28:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 12:28:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-21 12:28:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 12:28:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:17,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 258 proven. 13 refuted. 0 times theorem prover too weak. 3127 trivial. 0 not checked. [2022-07-21 12:28:17,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:28:17,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559922418] [2022-07-21 12:28:17,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559922418] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:28:17,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745657818] [2022-07-21 12:28:17,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:17,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:28:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:28:17,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 12:28:17,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 12:28:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:20,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 4512 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-21 12:28:20,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:28:21,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 1336 proven. 1 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-21 12:28:21,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:28:21,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3398 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 3292 trivial. 0 not checked. [2022-07-21 12:28:21,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745657818] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:28:21,484 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 12:28:21,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 5, 5] total 27 [2022-07-21 12:28:21,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645950611] [2022-07-21 12:28:21,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 12:28:21,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-07-21 12:28:21,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:28:21,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-07-21 12:28:21,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=626, Unknown=0, NotChecked=0, Total=702 [2022-07-21 12:28:21,488 INFO L87 Difference]: Start difference. First operand 26052 states and 36449 transitions. Second operand has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) [2022-07-21 12:28:42,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:42,936 INFO L93 Difference]: Finished difference Result 84442 states and 121981 transitions. [2022-07-21 12:28:42,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-07-21 12:28:42,937 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) Word has length 589 [2022-07-21 12:28:42,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:43,351 INFO L225 Difference]: With dead ends: 84442 [2022-07-21 12:28:43,351 INFO L226 Difference]: Without dead ends: 58314 [2022-07-21 12:28:43,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1450 GetRequests, 1348 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3097 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1257, Invalid=9455, Unknown=0, NotChecked=0, Total=10712 [2022-07-21 12:28:43,470 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 4915 mSDsluCounter, 24859 mSDsCounter, 0 mSdLazyCounter, 22382 mSolverCounterSat, 2820 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5088 SdHoareTripleChecker+Valid, 26896 SdHoareTripleChecker+Invalid, 25202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2820 IncrementalHoareTripleChecker+Valid, 22382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:43,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5088 Valid, 26896 Invalid, 25202 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2820 Valid, 22382 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2022-07-21 12:28:43,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58314 states. [2022-07-21 12:28:45,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58314 to 42621. [2022-07-21 12:28:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42621 states, 32387 states have (on average 1.3669064748201438) internal successors, (44270), 32832 states have internal predecessors, (44270), 6685 states have call successors, (6685), 2971 states have call predecessors, (6685), 3548 states have return successors, (8808), 6897 states have call predecessors, (8808), 6648 states have call successors, (8808) [2022-07-21 12:28:46,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 59763 transitions. [2022-07-21 12:28:46,222 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 59763 transitions. Word has length 589 [2022-07-21 12:28:46,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:46,223 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 59763 transitions. [2022-07-21 12:28:46,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 10.961538461538462) internal successors, (285), 20 states have internal predecessors, (285), 8 states have call successors, (135), 8 states have call predecessors, (135), 8 states have return successors, (112), 7 states have call predecessors, (112), 7 states have call successors, (112) [2022-07-21 12:28:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 59763 transitions. [2022-07-21 12:28:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 633 [2022-07-21 12:28:46,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:46,380 INFO L195 NwaCegarLoop]: trace histogram [48, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:28:46,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 12:28:46,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-21 12:28:46,582 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:46,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:46,582 INFO L85 PathProgramCache]: Analyzing trace with hash 463630745, now seen corresponding path program 1 times [2022-07-21 12:28:46,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:28:46,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527964324] [2022-07-21 12:28:46,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:46,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:28:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:28:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:28:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:28:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:28:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:28:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:28:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:28:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:28:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:28:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:28:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:28:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:28:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 12:28:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 12:28:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:28:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:28:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:28:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 12:28:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:28:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 12:28:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 12:28:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:28:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 12:28:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 12:28:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 12:28:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:28:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 12:28:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 12:28:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 12:28:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:28:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 12:28:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 12:28:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 12:28:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-21 12:28:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 12:28:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 12:28:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-21 12:28:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2022-07-21 12:28:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-21 12:28:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-21 12:28:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4827 trivial. 0 not checked. [2022-07-21 12:28:47,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:28:47,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527964324] [2022-07-21 12:28:47,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527964324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:28:47,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:28:47,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 12:28:47,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652312467] [2022-07-21 12:28:47,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:28:47,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:28:47,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:28:47,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:28:47,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:28:47,653 INFO L87 Difference]: Start difference. First operand 42621 states and 59763 transitions. Second operand has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:28:55,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:28:55,500 INFO L93 Difference]: Finished difference Result 101975 states and 150493 transitions. [2022-07-21 12:28:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 12:28:55,501 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 632 [2022-07-21 12:28:55,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:28:55,749 INFO L225 Difference]: With dead ends: 101975 [2022-07-21 12:28:55,749 INFO L226 Difference]: Without dead ends: 59414 [2022-07-21 12:28:55,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2022-07-21 12:28:55,865 INFO L413 NwaCegarLoop]: 1086 mSDtfsCounter, 2053 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 5330 mSolverCounterSat, 1113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2105 SdHoareTripleChecker+Valid, 6616 SdHoareTripleChecker+Invalid, 6443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1113 IncrementalHoareTripleChecker+Valid, 5330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:28:55,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2105 Valid, 6616 Invalid, 6443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1113 Valid, 5330 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 12:28:55,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59414 states. [2022-07-21 12:28:58,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59414 to 45117. [2022-07-21 12:28:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45117 states, 34195 states have (on average 1.3631817517180875) internal successors, (46614), 34560 states have internal predecessors, (46614), 7293 states have call successors, (7293), 3067 states have call predecessors, (7293), 3628 states have return successors, (9920), 7569 states have call predecessors, (9920), 7256 states have call successors, (9920) [2022-07-21 12:28:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45117 states to 45117 states and 63827 transitions. [2022-07-21 12:28:58,727 INFO L78 Accepts]: Start accepts. Automaton has 45117 states and 63827 transitions. Word has length 632 [2022-07-21 12:28:58,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:28:58,728 INFO L495 AbstractCegarLoop]: Abstraction has 45117 states and 63827 transitions. [2022-07-21 12:28:58,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.153846153846153) internal successors, (158), 5 states have internal predecessors, (158), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:28:58,728 INFO L276 IsEmpty]: Start isEmpty. Operand 45117 states and 63827 transitions. [2022-07-21 12:28:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2022-07-21 12:28:58,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:28:58,860 INFO L195 NwaCegarLoop]: trace histogram [48, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 12:28:58,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 12:28:58,860 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:28:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:28:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash -948412004, now seen corresponding path program 1 times [2022-07-21 12:28:58,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:28:58,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148022774] [2022-07-21 12:28:58,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:28:58,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:28:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:28:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:28:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:28:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:28:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:28:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:28:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:28:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:28:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:28:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:28:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:28:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:28:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 12:28:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 12:28:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:28:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:28:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:28:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 12:28:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:28:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 12:28:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 12:28:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:28:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 12:28:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 12:28:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 12:28:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:28:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 12:28:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 12:28:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 12:28:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:28:59,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 12:28:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 12:28:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 12:28:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:28:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-21 12:28:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-21 12:28:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-21 12:28:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-21 12:28:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-21 12:28:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:28:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-21 12:28:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:28:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:28:59,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:28:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:00,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2022-07-21 12:29:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4829 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4827 trivial. 0 not checked. [2022-07-21 12:29:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:29:00,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148022774] [2022-07-21 12:29:00,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148022774] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:00,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:00,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-21 12:29:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932690704] [2022-07-21 12:29:00,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:00,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-21 12:29:00,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:29:00,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-21 12:29:00,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:29:00,014 INFO L87 Difference]: Start difference. First operand 45117 states and 63827 transitions. Second operand has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:29:07,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:07,899 INFO L93 Difference]: Finished difference Result 103648 states and 153238 transitions. [2022-07-21 12:29:07,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 12:29:07,900 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 629 [2022-07-21 12:29:07,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:08,139 INFO L225 Difference]: With dead ends: 103648 [2022-07-21 12:29:08,139 INFO L226 Difference]: Without dead ends: 58591 [2022-07-21 12:29:08,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2022-07-21 12:29:08,261 INFO L413 NwaCegarLoop]: 1071 mSDtfsCounter, 1746 mSDsluCounter, 5863 mSDsCounter, 0 mSdLazyCounter, 5760 mSolverCounterSat, 859 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 6934 SdHoareTripleChecker+Invalid, 6619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 859 IncrementalHoareTripleChecker+Valid, 5760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:08,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 6934 Invalid, 6619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [859 Valid, 5760 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-21 12:29:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58591 states. [2022-07-21 12:29:10,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58591 to 45670. [2022-07-21 12:29:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45670 states, 34655 states have (on average 1.3627470783436733) internal successors, (47226), 34924 states have internal predecessors, (47226), 7402 states have call successors, (7402), 3018 states have call predecessors, (7402), 3612 states have return successors, (10184), 7791 states have call predecessors, (10184), 7400 states have call successors, (10184) [2022-07-21 12:29:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45670 states to 45670 states and 64812 transitions. [2022-07-21 12:29:10,966 INFO L78 Accepts]: Start accepts. Automaton has 45670 states and 64812 transitions. Word has length 629 [2022-07-21 12:29:10,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:10,966 INFO L495 AbstractCegarLoop]: Abstraction has 45670 states and 64812 transitions. [2022-07-21 12:29:10,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.846153846153847) internal successors, (154), 5 states have internal predecessors, (154), 4 states have call successors, (55), 11 states have call predecessors, (55), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 12:29:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 45670 states and 64812 transitions. [2022-07-21 12:29:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-21 12:29:11,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:11,085 INFO L195 NwaCegarLoop]: trace histogram [48, 21, 21, 21, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:29:11,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 12:29:11,086 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:11,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:11,086 INFO L85 PathProgramCache]: Analyzing trace with hash -964989469, now seen corresponding path program 1 times [2022-07-21 12:29:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:29:11,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664230218] [2022-07-21 12:29:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:29:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:29:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:29:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:29:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:29:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:29:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:29:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:29:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:29:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:29:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:29:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:29:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 12:29:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-21 12:29:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 12:29:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 12:29:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 12:29:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 12:29:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 12:29:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 12:29:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 12:29:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 12:29:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:29:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 12:29:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 12:29:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 12:29:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:29:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 12:29:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 12:29:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 12:29:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-21 12:29:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 12:29:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-21 12:29:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-21 12:29:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-21 12:29:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-07-21 12:29:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-07-21 12:29:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 635 [2022-07-21 12:29:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 4933 trivial. 0 not checked. [2022-07-21 12:29:12,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:29:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664230218] [2022-07-21 12:29:12,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664230218] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:29:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66896991] [2022-07-21 12:29:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:12,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:29:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:29:12,250 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 12:29:12,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 12:29:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 5228 conjuncts, 25 conjunts are in the unsatisfiable core [2022-07-21 12:29:13,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:29:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 2278 proven. 75 refuted. 0 times theorem prover too weak. 2614 trivial. 0 not checked. [2022-07-21 12:29:13,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 12:29:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4967 backedges. 54 proven. 177 refuted. 0 times theorem prover too weak. 4736 trivial. 0 not checked. [2022-07-21 12:29:14,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66896991] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 12:29:14,403 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 12:29:14,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 6] total 29 [2022-07-21 12:29:14,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003201460] [2022-07-21 12:29:14,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 12:29:14,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-07-21 12:29:14,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:29:14,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-07-21 12:29:14,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=727, Unknown=0, NotChecked=0, Total=812 [2022-07-21 12:29:14,406 INFO L87 Difference]: Start difference. First operand 45670 states and 64812 transitions. Second operand has 29 states, 29 states have (on average 10.379310344827585) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (133), 8 states have call predecessors, (133), 7 states have return successors, (110), 5 states have call predecessors, (110), 2 states have call successors, (110) [2022-07-21 12:29:24,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:24,288 INFO L93 Difference]: Finished difference Result 101206 states and 147882 transitions. [2022-07-21 12:29:24,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-21 12:29:24,289 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 10.379310344827585) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (133), 8 states have call predecessors, (133), 7 states have return successors, (110), 5 states have call predecessors, (110), 2 states have call successors, (110) Word has length 659 [2022-07-21 12:29:24,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:24,556 INFO L225 Difference]: With dead ends: 101206 [2022-07-21 12:29:24,556 INFO L226 Difference]: Without dead ends: 55370 [2022-07-21 12:29:24,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1528 GetRequests, 1480 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=288, Invalid=2162, Unknown=0, NotChecked=0, Total=2450 [2022-07-21 12:29:24,686 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 1177 mSDsluCounter, 13777 mSDsCounter, 0 mSdLazyCounter, 10702 mSolverCounterSat, 747 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1201 SdHoareTripleChecker+Valid, 14825 SdHoareTripleChecker+Invalid, 11449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 747 IncrementalHoareTripleChecker+Valid, 10702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:24,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1201 Valid, 14825 Invalid, 11449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [747 Valid, 10702 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-07-21 12:29:24,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55370 states. [2022-07-21 12:29:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55370 to 45854. [2022-07-21 12:29:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45854 states, 34839 states have (on average 1.3607738454031402) internal successors, (47408), 35048 states have internal predecessors, (47408), 7402 states have call successors, (7402), 3018 states have call predecessors, (7402), 3612 states have return successors, (10184), 7851 states have call predecessors, (10184), 7400 states have call successors, (10184) [2022-07-21 12:29:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45854 states to 45854 states and 64994 transitions. [2022-07-21 12:29:27,684 INFO L78 Accepts]: Start accepts. Automaton has 45854 states and 64994 transitions. Word has length 659 [2022-07-21 12:29:27,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:27,684 INFO L495 AbstractCegarLoop]: Abstraction has 45854 states and 64994 transitions. [2022-07-21 12:29:27,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.379310344827585) internal successors, (301), 20 states have internal predecessors, (301), 2 states have call successors, (133), 8 states have call predecessors, (133), 7 states have return successors, (110), 5 states have call predecessors, (110), 2 states have call successors, (110) [2022-07-21 12:29:27,685 INFO L276 IsEmpty]: Start isEmpty. Operand 45854 states and 64994 transitions. [2022-07-21 12:29:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2022-07-21 12:29:28,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:28,036 INFO L195 NwaCegarLoop]: trace histogram [64, 22, 22, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:29:28,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 12:29:28,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:29:28,237 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:28,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:28,238 INFO L85 PathProgramCache]: Analyzing trace with hash 245715646, now seen corresponding path program 1 times [2022-07-21 12:29:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:29:28,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862437888] [2022-07-21 12:29:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:29:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:29:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:29:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:29:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:29:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:29:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:29:28,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:29:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:29:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:29:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:29:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:29:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:29:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:29:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:29:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:29:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:29:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 12:29:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-21 12:29:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:29:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 12:29:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 12:29:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 12:29:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 12:29:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-21 12:29:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:29:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 12:29:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 12:29:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 12:29:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 12:29:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 12:29:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 12:29:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:28,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 12:29:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 12:29:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-21 12:29:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 12:29:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2022-07-21 12:29:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-07-21 12:29:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2022-07-21 12:29:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 6187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6187 trivial. 0 not checked. [2022-07-21 12:29:29,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:29:29,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862437888] [2022-07-21 12:29:29,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862437888] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:29,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:29,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:29:29,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576208690] [2022-07-21 12:29:29,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:29,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:29:29,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:29:29,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:29:29,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:29:29,195 INFO L87 Difference]: Start difference. First operand 45854 states and 64994 transitions. Second operand has 8 states, 8 states have (on average 20.75) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-21 12:29:34,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:34,182 INFO L93 Difference]: Finished difference Result 101056 states and 147072 transitions. [2022-07-21 12:29:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 12:29:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 684 [2022-07-21 12:29:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:34,418 INFO L225 Difference]: With dead ends: 101056 [2022-07-21 12:29:34,418 INFO L226 Difference]: Without dead ends: 55262 [2022-07-21 12:29:34,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:29:34,554 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 1409 mSDsluCounter, 1975 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 894 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1437 SdHoareTripleChecker+Valid, 3034 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 894 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:34,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1437 Valid, 3034 Invalid, 1801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [894 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-21 12:29:34,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55262 states. [2022-07-21 12:29:37,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55262 to 45878. [2022-07-21 12:29:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45878 states, 34863 states have (on average 1.3605254854717035) internal successors, (47432), 35072 states have internal predecessors, (47432), 7402 states have call successors, (7402), 3018 states have call predecessors, (7402), 3612 states have return successors, (10184), 7851 states have call predecessors, (10184), 7400 states have call successors, (10184) [2022-07-21 12:29:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45878 states to 45878 states and 65018 transitions. [2022-07-21 12:29:37,342 INFO L78 Accepts]: Start accepts. Automaton has 45878 states and 65018 transitions. Word has length 684 [2022-07-21 12:29:37,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:29:37,342 INFO L495 AbstractCegarLoop]: Abstraction has 45878 states and 65018 transitions. [2022-07-21 12:29:37,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (54), 7 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-21 12:29:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 45878 states and 65018 transitions. [2022-07-21 12:29:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-07-21 12:29:37,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:29:37,509 INFO L195 NwaCegarLoop]: trace histogram [64, 22, 22, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 12:29:37,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 12:29:37,509 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:29:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:29:37,510 INFO L85 PathProgramCache]: Analyzing trace with hash -931635424, now seen corresponding path program 1 times [2022-07-21 12:29:37,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:29:37,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389386496] [2022-07-21 12:29:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:29:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:29:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:29:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:29:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:29:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:29:38,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:29:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:29:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:29:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:29:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:29:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:29:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:29:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:29:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:29:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:29:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 12:29:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:29:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 12:29:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-21 12:29:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 12:29:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 12:29:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 12:29:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 12:29:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 12:29:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-21 12:29:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:29:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 12:29:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 12:29:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-21 12:29:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 12:29:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 12:29:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-21 12:29:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-21 12:29:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-21 12:29:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:29:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-21 12:29:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-21 12:29:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-21 12:29:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 611 [2022-07-21 12:29:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 12:29:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2022-07-21 12:29:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:29:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:29:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:29:38,727 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6186 trivial. 0 not checked. [2022-07-21 12:29:38,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:29:38,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389386496] [2022-07-21 12:29:38,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389386496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:29:38,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:29:38,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 12:29:38,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108145963] [2022-07-21 12:29:38,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:29:38,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 12:29:38,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:29:38,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 12:29:38,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:29:38,730 INFO L87 Difference]: Start difference. First operand 45878 states and 65018 transitions. Second operand has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (54), 8 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-21 12:29:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:29:43,758 INFO L93 Difference]: Finished difference Result 98088 states and 142064 transitions. [2022-07-21 12:29:43,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:29:43,761 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.333333333333332) internal successors, (165), 3 states have internal predecessors, (165), 2 states have call successors, (54), 8 states have call predecessors, (54), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 682 [2022-07-21 12:29:43,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:29:43,957 INFO L225 Difference]: With dead ends: 98088 [2022-07-21 12:29:43,957 INFO L226 Difference]: Without dead ends: 52270 [2022-07-21 12:29:44,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:29:44,064 INFO L413 NwaCegarLoop]: 1065 mSDtfsCounter, 639 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 2099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:29:44,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 5045 Invalid, 2099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 12:29:44,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52270 states.