java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 09:22:19,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 09:22:19,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 09:22:19,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 09:22:19,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 09:22:19,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 09:22:19,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 09:22:19,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 09:22:19,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 09:22:19,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 09:22:19,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 09:22:19,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 09:22:19,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 09:22:19,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 09:22:19,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 09:22:19,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 09:22:19,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 09:22:19,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 09:22:19,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 09:22:19,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 09:22:19,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 09:22:19,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 09:22:19,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 09:22:19,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 09:22:19,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 09:22:19,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 09:22:19,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 09:22:19,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 09:22:19,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 09:22:19,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 09:22:19,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 09:22:19,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 09:22:19,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 09:22:19,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 09:22:19,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 09:22:19,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 09:22:19,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 09:22:19,432 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 09:22:19,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 09:22:19,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 09:22:19,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 09:22:19,435 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 09:22:19,450 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 09:22:19,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 09:22:19,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 09:22:19,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 09:22:19,452 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 09:22:19,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 09:22:19,453 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 09:22:19,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 09:22:19,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 09:22:19,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 09:22:19,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 09:22:19,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 09:22:19,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 09:22:19,454 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 09:22:19,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 09:22:19,455 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 09:22:19,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 09:22:19,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 09:22:19,455 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 09:22:19,456 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 09:22:19,456 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 09:22:19,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:22:19,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 09:22:19,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 09:22:19,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 09:22:19,457 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 09:22:19,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 09:22:19,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 09:22:19,457 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 09:22:19,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 09:22:19,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 09:22:19,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 09:22:19,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 09:22:19,507 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 09:22:19,508 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-02 09:22:19,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70aceb4d7/1dde3ce158d042af832d3854a5181986/FLAG67588c34b [2019-10-02 09:22:20,301 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 09:22:20,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-02 09:22:20,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70aceb4d7/1dde3ce158d042af832d3854a5181986/FLAG67588c34b [2019-10-02 09:22:20,403 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70aceb4d7/1dde3ce158d042af832d3854a5181986 [2019-10-02 09:22:20,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 09:22:20,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 09:22:20,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 09:22:20,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 09:22:20,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 09:22:20,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:22:20" (1/1) ... [2019-10-02 09:22:20,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4979bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:20, skipping insertion in model container [2019-10-02 09:22:20,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 09:22:20" (1/1) ... [2019-10-02 09:22:20,434 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 09:22:20,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 09:22:22,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:22:22,148 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 09:22:22,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 09:22:22,731 INFO L192 MainTranslator]: Completed translation [2019-10-02 09:22:22,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22 WrapperNode [2019-10-02 09:22:22,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 09:22:22,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 09:22:22,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 09:22:22,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 09:22:22,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:22,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:22,945 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:22,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:23,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:23,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:23,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... [2019-10-02 09:22:23,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 09:22:23,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 09:22:23,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 09:22:23,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 09:22:23,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 09:22:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 09:22:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 09:22:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 09:22:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 09:22:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 09:22:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 09:22:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 09:22:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 09:22:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 09:22:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 09:22:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 09:22:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 09:22:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 09:22:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 09:22:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 09:22:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2019-10-02 09:22:23,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2019-10-02 09:22:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2019-10-02 09:22:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-02 09:22:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-02 09:22:23,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-10-02 09:22:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-10-02 09:22:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-02 09:22:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-02 09:22:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-02 09:22:23,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-02 09:22:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 09:22:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 09:22:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-02 09:22:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-10-02 09:22:23,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2019-10-02 09:22:23,228 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure readable [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure checksum [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2019-10-02 09:22:23,229 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mem [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_common_align [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_align [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_find_io_region [2019-10-02 09:22:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_autoadd_resources [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2019-10-02 09:22:23,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure store_io_db [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure store_mem_db [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2019-10-02 09:22:23,232 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_remove_rsrc [2019-10-02 09:22:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_init [2019-10-02 09:22:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_sysfs_exit [2019-10-02 09:22:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-02 09:22:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-02 09:22:23,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_class_interface_1 [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2019-10-02 09:22:23,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_22 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_25 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-02 09:22:23,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2019-10-02 09:22:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 09:22:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 09:22:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 09:22:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 09:22:23,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 09:22:23,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_register [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure class_interface_unregister [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-02 09:22:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-02 09:22:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 09:22:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2019-10-02 09:22:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2019-10-02 09:22:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_6 [2019-10-02 09:22:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_7 [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_parent_resource [2019-10-02 09:22:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 09:22:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 09:22:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 09:22:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 09:22:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 09:22:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 09:22:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 09:22:23,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 09:22:23,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 09:22:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 09:22:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 09:22:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_7 [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_6 [2019-10-02 09:22:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2019-10-02 09:22:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_6 [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_7 [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-10-02 09:22:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_22 [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2019-10-02 09:22:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-02 09:22:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_25 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-02 09:22:23,258 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_4 [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pccard_resource_ops_5 [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_class_interface_1 [2019-10-02 09:22:23,259 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_register [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure class_interface_unregister [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 09:22:23,260 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_parent_resource [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2019-10-02 09:22:23,261 INFO L130 BoogieDeclarations]: Found specification of procedure readable [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure checksum [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mem [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2019-10-02 09:22:23,262 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_common_align [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_align [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_find_io_region [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2019-10-02 09:22:23,263 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_autoadd_resources [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure store_io_db [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2019-10-02 09:22:23,264 INFO L130 BoogieDeclarations]: Found specification of procedure store_mem_db [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_remove_rsrc [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_init [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_sysfs_exit [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 09:22:23,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 09:22:23,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-02 09:22:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 09:22:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_ops_mutex_of_pcmcia_socket [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 09:22:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 09:22:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 09:22:24,128 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 09:22:27,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 09:22:27,264 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 09:22:27,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:22:27 BoogieIcfgContainer [2019-10-02 09:22:27,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 09:22:27,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 09:22:27,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 09:22:27,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 09:22:27,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 09:22:20" (1/3) ... [2019-10-02 09:22:27,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5100b63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:22:27, skipping insertion in model container [2019-10-02 09:22:27,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 09:22:22" (2/3) ... [2019-10-02 09:22:27,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5100b63f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 09:22:27, skipping insertion in model container [2019-10-02 09:22:27,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 09:22:27" (3/3) ... [2019-10-02 09:22:27,278 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2019-10-02 09:22:27,289 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 09:22:27,300 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 09:22:27,318 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 09:22:27,367 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 09:22:27,367 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 09:22:27,368 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 09:22:27,368 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 09:22:27,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 09:22:27,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 09:22:27,368 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 09:22:27,368 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 09:22:27,368 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 09:22:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states. [2019-10-02 09:22:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-02 09:22:27,431 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:27,432 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:27,435 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:27,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:27,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1180640238, now seen corresponding path program 1 times [2019-10-02 09:22:27,445 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:27,445 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:27,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:27,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:27,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:28,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:28,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:28,502 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:28,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:28,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:28,522 INFO L87 Difference]: Start difference. First operand 1160 states. Second operand 3 states. [2019-10-02 09:22:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:28,850 INFO L93 Difference]: Finished difference Result 2756 states and 3821 transitions. [2019-10-02 09:22:28,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:28,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-10-02 09:22:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:28,900 INFO L225 Difference]: With dead ends: 2756 [2019-10-02 09:22:28,900 INFO L226 Difference]: Without dead ends: 1799 [2019-10-02 09:22:28,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:28,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2019-10-02 09:22:29,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1779. [2019-10-02 09:22:29,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2019-10-02 09:22:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2407 transitions. [2019-10-02 09:22:29,135 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2407 transitions. Word has length 286 [2019-10-02 09:22:29,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:29,137 INFO L475 AbstractCegarLoop]: Abstraction has 1779 states and 2407 transitions. [2019-10-02 09:22:29,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2407 transitions. [2019-10-02 09:22:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 09:22:29,143 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:29,144 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:29,144 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:29,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:29,145 INFO L82 PathProgramCache]: Analyzing trace with hash 961261964, now seen corresponding path program 1 times [2019-10-02 09:22:29,145 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:29,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:29,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:29,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:29,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:29,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:29,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:29,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:29,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:29,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:29,460 INFO L87 Difference]: Start difference. First operand 1779 states and 2407 transitions. Second operand 3 states. [2019-10-02 09:22:29,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:29,705 INFO L93 Difference]: Finished difference Result 5087 states and 6879 transitions. [2019-10-02 09:22:29,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:29,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-02 09:22:29,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:29,728 INFO L225 Difference]: With dead ends: 5087 [2019-10-02 09:22:29,729 INFO L226 Difference]: Without dead ends: 3365 [2019-10-02 09:22:29,737 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2019-10-02 09:22:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 3344. [2019-10-02 09:22:29,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2019-10-02 09:22:29,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 4529 transitions. [2019-10-02 09:22:29,876 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 4529 transitions. Word has length 288 [2019-10-02 09:22:29,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:29,877 INFO L475 AbstractCegarLoop]: Abstraction has 3344 states and 4529 transitions. [2019-10-02 09:22:29,877 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:29,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 4529 transitions. [2019-10-02 09:22:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-02 09:22:29,882 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:29,883 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:29,883 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:29,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:29,884 INFO L82 PathProgramCache]: Analyzing trace with hash 933694256, now seen corresponding path program 1 times [2019-10-02 09:22:29,884 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:29,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:29,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:29,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:29,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:30,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:30,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:30,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:30,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:30,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:30,175 INFO L87 Difference]: Start difference. First operand 3344 states and 4529 transitions. Second operand 3 states. [2019-10-02 09:22:30,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:30,611 INFO L93 Difference]: Finished difference Result 9767 states and 13248 transitions. [2019-10-02 09:22:30,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:30,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 288 [2019-10-02 09:22:30,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:30,657 INFO L225 Difference]: With dead ends: 9767 [2019-10-02 09:22:30,657 INFO L226 Difference]: Without dead ends: 6480 [2019-10-02 09:22:30,676 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:30,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6480 states. [2019-10-02 09:22:31,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6480 to 6476. [2019-10-02 09:22:31,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6476 states. [2019-10-02 09:22:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6476 states to 6476 states and 8785 transitions. [2019-10-02 09:22:31,147 INFO L78 Accepts]: Start accepts. Automaton has 6476 states and 8785 transitions. Word has length 288 [2019-10-02 09:22:31,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:31,148 INFO L475 AbstractCegarLoop]: Abstraction has 6476 states and 8785 transitions. [2019-10-02 09:22:31,148 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6476 states and 8785 transitions. [2019-10-02 09:22:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-02 09:22:31,153 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:31,154 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:31,154 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:31,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:31,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2102470740, now seen corresponding path program 1 times [2019-10-02 09:22:31,155 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:31,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:31,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:31,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:31,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:31,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:31,494 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:31,495 INFO L87 Difference]: Start difference. First operand 6476 states and 8785 transitions. Second operand 3 states. [2019-10-02 09:22:31,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:31,649 INFO L93 Difference]: Finished difference Result 6478 states and 8786 transitions. [2019-10-02 09:22:31,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:31,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2019-10-02 09:22:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:31,698 INFO L225 Difference]: With dead ends: 6478 [2019-10-02 09:22:31,699 INFO L226 Difference]: Without dead ends: 6475 [2019-10-02 09:22:31,704 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:31,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6475 states. [2019-10-02 09:22:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6475 to 6475. [2019-10-02 09:22:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6475 states. [2019-10-02 09:22:32,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6475 states to 6475 states and 8783 transitions. [2019-10-02 09:22:32,082 INFO L78 Accepts]: Start accepts. Automaton has 6475 states and 8783 transitions. Word has length 292 [2019-10-02 09:22:32,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:32,083 INFO L475 AbstractCegarLoop]: Abstraction has 6475 states and 8783 transitions. [2019-10-02 09:22:32,083 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6475 states and 8783 transitions. [2019-10-02 09:22:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-10-02 09:22:32,089 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:32,089 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:32,089 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:32,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:32,090 INFO L82 PathProgramCache]: Analyzing trace with hash 751572038, now seen corresponding path program 1 times [2019-10-02 09:22:32,090 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:32,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:32,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:32,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:32,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:32,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:32,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:32,437 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:32,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:32,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:32,438 INFO L87 Difference]: Start difference. First operand 6475 states and 8783 transitions. Second operand 3 states. [2019-10-02 09:22:32,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:32,602 INFO L93 Difference]: Finished difference Result 6477 states and 8784 transitions. [2019-10-02 09:22:32,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:32,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-10-02 09:22:32,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:32,643 INFO L225 Difference]: With dead ends: 6477 [2019-10-02 09:22:32,643 INFO L226 Difference]: Without dead ends: 6474 [2019-10-02 09:22:32,648 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:32,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6474 states. [2019-10-02 09:22:32,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6474 to 6474. [2019-10-02 09:22:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6474 states. [2019-10-02 09:22:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6474 states to 6474 states and 8781 transitions. [2019-10-02 09:22:32,965 INFO L78 Accepts]: Start accepts. Automaton has 6474 states and 8781 transitions. Word has length 293 [2019-10-02 09:22:32,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:32,965 INFO L475 AbstractCegarLoop]: Abstraction has 6474 states and 8781 transitions. [2019-10-02 09:22:32,966 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 6474 states and 8781 transitions. [2019-10-02 09:22:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-10-02 09:22:32,970 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:32,971 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:32,971 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:32,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1823390103, now seen corresponding path program 1 times [2019-10-02 09:22:32,972 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:32,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:32,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:32,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:32,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1304 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1304 trivial. 0 not checked. [2019-10-02 09:22:33,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:33,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:33,396 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:33,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:33,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:33,396 INFO L87 Difference]: Start difference. First operand 6474 states and 8781 transitions. Second operand 3 states. [2019-10-02 09:22:33,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:33,667 INFO L93 Difference]: Finished difference Result 14123 states and 19266 transitions. [2019-10-02 09:22:33,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:33,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 294 [2019-10-02 09:22:33,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:33,722 INFO L225 Difference]: With dead ends: 14123 [2019-10-02 09:22:33,723 INFO L226 Difference]: Without dead ends: 7694 [2019-10-02 09:22:33,749 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7694 states. [2019-10-02 09:22:34,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7694 to 7644. [2019-10-02 09:22:34,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2019-10-02 09:22:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10325 transitions. [2019-10-02 09:22:34,156 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10325 transitions. Word has length 294 [2019-10-02 09:22:34,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:34,157 INFO L475 AbstractCegarLoop]: Abstraction has 7644 states and 10325 transitions. [2019-10-02 09:22:34,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:34,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10325 transitions. [2019-10-02 09:22:34,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-10-02 09:22:34,172 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:34,173 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 09:22:34,173 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:34,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:34,174 INFO L82 PathProgramCache]: Analyzing trace with hash 686610922, now seen corresponding path program 1 times [2019-10-02 09:22:34,174 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:34,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:34,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:34,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:34,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-02 09:22:35,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:35,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:35,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:35,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:35,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:35,231 INFO L87 Difference]: Start difference. First operand 7644 states and 10325 transitions. Second operand 3 states. [2019-10-02 09:22:35,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:35,781 INFO L93 Difference]: Finished difference Result 22629 states and 30502 transitions. [2019-10-02 09:22:35,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:35,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 406 [2019-10-02 09:22:35,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:35,876 INFO L225 Difference]: With dead ends: 22629 [2019-10-02 09:22:35,876 INFO L226 Difference]: Without dead ends: 15042 [2019-10-02 09:22:35,913 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:35,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15042 states. [2019-10-02 09:22:36,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15042 to 15028. [2019-10-02 09:22:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15028 states. [2019-10-02 09:22:36,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15028 states to 15028 states and 20237 transitions. [2019-10-02 09:22:36,752 INFO L78 Accepts]: Start accepts. Automaton has 15028 states and 20237 transitions. Word has length 406 [2019-10-02 09:22:36,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:36,753 INFO L475 AbstractCegarLoop]: Abstraction has 15028 states and 20237 transitions. [2019-10-02 09:22:36,753 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:36,753 INFO L276 IsEmpty]: Start isEmpty. Operand 15028 states and 20237 transitions. [2019-10-02 09:22:36,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-10-02 09:22:36,762 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:36,762 INFO L411 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 09:22:36,763 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:36,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:36,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1289053985, now seen corresponding path program 1 times [2019-10-02 09:22:36,763 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:36,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:36,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:36,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:36,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-10-02 09:22:37,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:37,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:37,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:37,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:37,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:37,142 INFO L87 Difference]: Start difference. First operand 15028 states and 20237 transitions. Second operand 3 states. [2019-10-02 09:22:37,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:37,995 INFO L93 Difference]: Finished difference Result 41676 states and 56003 transitions. [2019-10-02 09:22:37,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:37,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 408 [2019-10-02 09:22:37,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:38,103 INFO L225 Difference]: With dead ends: 41676 [2019-10-02 09:22:38,104 INFO L226 Difference]: Without dead ends: 26705 [2019-10-02 09:22:38,159 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:38,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26705 states. [2019-10-02 09:22:39,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26705 to 26692. [2019-10-02 09:22:39,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26692 states. [2019-10-02 09:22:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 35819 transitions. [2019-10-02 09:22:39,203 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 35819 transitions. Word has length 408 [2019-10-02 09:22:39,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:39,204 INFO L475 AbstractCegarLoop]: Abstraction has 26692 states and 35819 transitions. [2019-10-02 09:22:39,204 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 35819 transitions. [2019-10-02 09:22:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-02 09:22:39,224 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:39,225 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:39,225 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:39,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:39,226 INFO L82 PathProgramCache]: Analyzing trace with hash -149705853, now seen corresponding path program 1 times [2019-10-02 09:22:39,226 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:39,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:39,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:39,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:39,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2307 trivial. 0 not checked. [2019-10-02 09:22:39,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:39,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:39,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:39,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:39,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:39,902 INFO L87 Difference]: Start difference. First operand 26692 states and 35819 transitions. Second operand 3 states. [2019-10-02 09:22:40,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:40,558 INFO L93 Difference]: Finished difference Result 30634 states and 40715 transitions. [2019-10-02 09:22:40,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:40,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-10-02 09:22:40,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:40,665 INFO L225 Difference]: With dead ends: 30634 [2019-10-02 09:22:40,665 INFO L226 Difference]: Without dead ends: 25758 [2019-10-02 09:22:40,692 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:40,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25758 states. [2019-10-02 09:22:41,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25758 to 25606. [2019-10-02 09:22:41,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25606 states. [2019-10-02 09:22:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25606 states to 25606 states and 34219 transitions. [2019-10-02 09:22:41,614 INFO L78 Accepts]: Start accepts. Automaton has 25606 states and 34219 transitions. Word has length 460 [2019-10-02 09:22:41,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:41,616 INFO L475 AbstractCegarLoop]: Abstraction has 25606 states and 34219 transitions. [2019-10-02 09:22:41,616 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:41,616 INFO L276 IsEmpty]: Start isEmpty. Operand 25606 states and 34219 transitions. [2019-10-02 09:22:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2019-10-02 09:22:42,685 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:42,686 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:42,686 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:42,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:42,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1346107867, now seen corresponding path program 1 times [2019-10-02 09:22:42,687 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:42,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:42,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:42,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:42,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2019-10-02 09:22:43,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:43,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 09:22:43,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 09:22:43,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 09:22:43,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:43,201 INFO L87 Difference]: Start difference. First operand 25606 states and 34219 transitions. Second operand 3 states. [2019-10-02 09:22:43,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:43,769 INFO L93 Difference]: Finished difference Result 51179 states and 68437 transitions. [2019-10-02 09:22:43,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 09:22:43,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 564 [2019-10-02 09:22:43,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:43,905 INFO L225 Difference]: With dead ends: 51179 [2019-10-02 09:22:43,905 INFO L226 Difference]: Without dead ends: 25630 [2019-10-02 09:22:43,977 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 09:22:44,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25630 states. [2019-10-02 09:22:44,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25630 to 25630. [2019-10-02 09:22:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25630 states. [2019-10-02 09:22:45,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25630 states to 25630 states and 34243 transitions. [2019-10-02 09:22:45,020 INFO L78 Accepts]: Start accepts. Automaton has 25630 states and 34243 transitions. Word has length 564 [2019-10-02 09:22:45,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:45,021 INFO L475 AbstractCegarLoop]: Abstraction has 25630 states and 34243 transitions. [2019-10-02 09:22:45,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 09:22:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 25630 states and 34243 transitions. [2019-10-02 09:22:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-10-02 09:22:45,097 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:45,098 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:45,098 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:45,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:45,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1529492223, now seen corresponding path program 1 times [2019-10-02 09:22:45,099 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:45,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:45,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:45,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:45,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2325 trivial. 0 not checked. [2019-10-02 09:22:46,092 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:22:46,092 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:22:46,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:47,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 4515 conjuncts, 52 conjunts are in the unsatisfiable core [2019-10-02 09:22:47,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:22:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-10-02 09:22:47,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:22:47,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [11] total 12 [2019-10-02 09:22:47,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 09:22:47,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 09:22:47,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-02 09:22:47,695 INFO L87 Difference]: Start difference. First operand 25630 states and 34243 transitions. Second operand 12 states. [2019-10-02 09:22:48,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:48,690 INFO L93 Difference]: Finished difference Result 52347 states and 70621 transitions. [2019-10-02 09:22:48,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 09:22:48,691 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 563 [2019-10-02 09:22:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:48,895 INFO L225 Difference]: With dead ends: 52347 [2019-10-02 09:22:48,896 INFO L226 Difference]: Without dead ends: 26774 [2019-10-02 09:22:48,995 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 563 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-10-02 09:22:49,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26774 states. [2019-10-02 09:22:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26774 to 26230. [2019-10-02 09:22:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26230 states. [2019-10-02 09:22:50,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26230 states to 26230 states and 34987 transitions. [2019-10-02 09:22:50,575 INFO L78 Accepts]: Start accepts. Automaton has 26230 states and 34987 transitions. Word has length 563 [2019-10-02 09:22:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:50,576 INFO L475 AbstractCegarLoop]: Abstraction has 26230 states and 34987 transitions. [2019-10-02 09:22:50,576 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 09:22:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 26230 states and 34987 transitions. [2019-10-02 09:22:50,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2019-10-02 09:22:50,644 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:50,645 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:50,645 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:50,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1586194195, now seen corresponding path program 1 times [2019-10-02 09:22:50,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:50,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:50,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:50,656 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:50,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:51,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2346 trivial. 0 not checked. [2019-10-02 09:22:51,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:22:51,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 09:22:51,621 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 09:22:51,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 09:22:51,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 09:22:51,622 INFO L87 Difference]: Start difference. First operand 26230 states and 34987 transitions. Second operand 7 states. [2019-10-02 09:22:52,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:22:52,786 INFO L93 Difference]: Finished difference Result 55091 states and 74501 transitions. [2019-10-02 09:22:52,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 09:22:52,787 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 566 [2019-10-02 09:22:52,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:22:52,914 INFO L225 Difference]: With dead ends: 55091 [2019-10-02 09:22:52,914 INFO L226 Difference]: Without dead ends: 28918 [2019-10-02 09:22:52,986 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-02 09:22:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28918 states. [2019-10-02 09:22:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28918 to 28078. [2019-10-02 09:22:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28078 states. [2019-10-02 09:22:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28078 states to 28078 states and 37659 transitions. [2019-10-02 09:22:55,138 INFO L78 Accepts]: Start accepts. Automaton has 28078 states and 37659 transitions. Word has length 566 [2019-10-02 09:22:55,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:22:55,140 INFO L475 AbstractCegarLoop]: Abstraction has 28078 states and 37659 transitions. [2019-10-02 09:22:55,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 09:22:55,140 INFO L276 IsEmpty]: Start isEmpty. Operand 28078 states and 37659 transitions. [2019-10-02 09:22:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-10-02 09:22:55,194 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:22:55,194 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:22:55,195 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:22:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:22:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1108075103, now seen corresponding path program 1 times [2019-10-02 09:22:55,195 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:22:55,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:22:55,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:55,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:22:55,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:22:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:22:56,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2241 trivial. 0 not checked. [2019-10-02 09:22:56,574 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:22:56,574 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:22:56,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 09:23:09,802 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:23:09,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-10-02 09:23:09,803 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 09:23:09,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 09:23:09,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 09:23:09,804 INFO L87 Difference]: Start difference. First operand 28078 states and 37659 transitions. Second operand 6 states. [2019-10-02 09:23:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:23:11,108 INFO L93 Difference]: Finished difference Result 56322 states and 75747 transitions. [2019-10-02 09:23:11,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 09:23:11,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 563 [2019-10-02 09:23:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:23:11,225 INFO L225 Difference]: With dead ends: 56322 [2019-10-02 09:23:11,226 INFO L226 Difference]: Without dead ends: 28110 [2019-10-02 09:23:11,288 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 09:23:11,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28110 states. [2019-10-02 09:23:12,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28110 to 28110. [2019-10-02 09:23:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28110 states. [2019-10-02 09:23:12,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28110 states to 28110 states and 37691 transitions. [2019-10-02 09:23:12,128 INFO L78 Accepts]: Start accepts. Automaton has 28110 states and 37691 transitions. Word has length 563 [2019-10-02 09:23:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:23:12,128 INFO L475 AbstractCegarLoop]: Abstraction has 28110 states and 37691 transitions. [2019-10-02 09:23:12,129 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 09:23:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 28110 states and 37691 transitions. [2019-10-02 09:23:12,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2019-10-02 09:23:12,176 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:23:12,177 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:23:12,177 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:23:12,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:23:12,178 INFO L82 PathProgramCache]: Analyzing trace with hash 2091691999, now seen corresponding path program 1 times [2019-10-02 09:23:12,178 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:23:12,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:23:12,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:12,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:12,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2019-10-02 09:23:13,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:23:13,157 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:23:13,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:24,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 4597 conjuncts, 76 conjunts are in the unsatisfiable core [2019-10-02 09:23:24,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:23:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2019-10-02 09:23:24,794 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 09:23:24,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18] total 18 [2019-10-02 09:23:24,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-02 09:23:24,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-02 09:23:24,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-10-02 09:23:24,797 INFO L87 Difference]: Start difference. First operand 28110 states and 37691 transitions. Second operand 18 states. [2019-10-02 09:23:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:23:25,601 INFO L93 Difference]: Finished difference Result 58659 states and 79877 transitions. [2019-10-02 09:23:25,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-10-02 09:23:25,605 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 579 [2019-10-02 09:23:25,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:23:25,732 INFO L225 Difference]: With dead ends: 58659 [2019-10-02 09:23:25,732 INFO L226 Difference]: Without dead ends: 30606 [2019-10-02 09:23:25,819 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 598 GetRequests, 579 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2019-10-02 09:23:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30606 states. [2019-10-02 09:23:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30606 to 28686. [2019-10-02 09:23:26,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28686 states. [2019-10-02 09:23:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28686 states to 28686 states and 38531 transitions. [2019-10-02 09:23:26,750 INFO L78 Accepts]: Start accepts. Automaton has 28686 states and 38531 transitions. Word has length 579 [2019-10-02 09:23:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:23:26,752 INFO L475 AbstractCegarLoop]: Abstraction has 28686 states and 38531 transitions. [2019-10-02 09:23:26,752 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-02 09:23:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 28686 states and 38531 transitions. [2019-10-02 09:23:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2019-10-02 09:23:26,789 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:23:26,790 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:23:26,790 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:23:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:23:26,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1502527326, now seen corresponding path program 1 times [2019-10-02 09:23:26,791 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:23:26,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:23:26,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:26,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:26,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2019-10-02 09:23:29,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 09:23:29,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-02 09:23:29,032 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 09:23:29,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 09:23:29,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2019-10-02 09:23:29,033 INFO L87 Difference]: Start difference. First operand 28686 states and 38531 transitions. Second operand 17 states. [2019-10-02 09:23:29,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:23:29,829 INFO L93 Difference]: Finished difference Result 58915 states and 79781 transitions. [2019-10-02 09:23:29,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-02 09:23:29,830 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 579 [2019-10-02 09:23:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:23:29,950 INFO L225 Difference]: With dead ends: 58915 [2019-10-02 09:23:29,951 INFO L226 Difference]: Without dead ends: 30286 [2019-10-02 09:23:30,021 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2019-10-02 09:23:30,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30286 states. [2019-10-02 09:23:30,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30286 to 28686. [2019-10-02 09:23:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28686 states. [2019-10-02 09:23:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28686 states to 28686 states and 38531 transitions. [2019-10-02 09:23:31,019 INFO L78 Accepts]: Start accepts. Automaton has 28686 states and 38531 transitions. Word has length 579 [2019-10-02 09:23:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:23:31,020 INFO L475 AbstractCegarLoop]: Abstraction has 28686 states and 38531 transitions. [2019-10-02 09:23:31,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 09:23:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 28686 states and 38531 transitions. [2019-10-02 09:23:31,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2019-10-02 09:23:31,071 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:23:31,071 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:23:31,072 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:23:31,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:23:31,072 INFO L82 PathProgramCache]: Analyzing trace with hash -584796673, now seen corresponding path program 1 times [2019-10-02 09:23:31,072 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:23:31,072 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:23:31,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:31,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:31,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:32,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2019-10-02 09:23:32,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:23:32,915 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:23:33,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:43,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 4647 conjuncts, 72 conjunts are in the unsatisfiable core [2019-10-02 09:23:43,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:23:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2722 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2019-10-02 09:23:43,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 09:23:43,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [7] total 19 [2019-10-02 09:23:43,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-10-02 09:23:43,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-10-02 09:23:43,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2019-10-02 09:23:43,735 INFO L87 Difference]: Start difference. First operand 28686 states and 38531 transitions. Second operand 19 states. [2019-10-02 09:23:45,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 09:23:45,212 INFO L93 Difference]: Finished difference Result 57602 states and 78483 transitions. [2019-10-02 09:23:45,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 09:23:45,212 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 579 [2019-10-02 09:23:45,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 09:23:45,315 INFO L225 Difference]: With dead ends: 57602 [2019-10-02 09:23:45,315 INFO L226 Difference]: Without dead ends: 28782 [2019-10-02 09:23:45,373 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=415, Unknown=0, NotChecked=0, Total=462 [2019-10-02 09:23:45,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28782 states. [2019-10-02 09:23:46,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28782 to 28718. [2019-10-02 09:23:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28718 states. [2019-10-02 09:23:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28718 states to 28718 states and 38483 transitions. [2019-10-02 09:23:46,555 INFO L78 Accepts]: Start accepts. Automaton has 28718 states and 38483 transitions. Word has length 579 [2019-10-02 09:23:46,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 09:23:46,556 INFO L475 AbstractCegarLoop]: Abstraction has 28718 states and 38483 transitions. [2019-10-02 09:23:46,556 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-10-02 09:23:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 28718 states and 38483 transitions. [2019-10-02 09:23:46,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2019-10-02 09:23:46,614 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 09:23:46,614 INFO L411 BasicCegarLoop]: trace histogram [32, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 09:23:46,615 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 09:23:46,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 09:23:46,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1692603243, now seen corresponding path program 1 times [2019-10-02 09:23:46,615 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 09:23:46,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 09:23:46,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:46,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:23:46,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 09:23:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:23:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3363 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 3135 trivial. 0 not checked. [2019-10-02 09:23:48,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 09:23:48,643 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:23:48,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 09:24:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 09:24:01,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 4821 conjuncts, 70 conjunts are in the unsatisfiable core [2019-10-02 09:24:01,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 09:24:01,665 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-10-02 09:24:01,666 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:01,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:01,674 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-02 09:24:01,674 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-10-02 09:24:01,740 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2019-10-02 09:24:01,740 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:01,756 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:01,757 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 09:24:01,758 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:15 [2019-10-02 09:24:02,042 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-10-02 09:24:02,043 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:02,058 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:02,065 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2019-10-02 09:24:02,065 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:02,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:02,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-02 09:24:02,077 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:10 [2019-10-02 09:24:03,142 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:03,143 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-10-02 09:24:03,144 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:03,155 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:03,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2019-10-02 09:24:03,162 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-02 09:24:03,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-02 09:24:03,173 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-02 09:24:03,173 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2019-10-02 09:24:07,247 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-10-02 09:24:09,332 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-10-02 09:24:11,389 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-10-02 09:24:13,459 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 16 [2019-10-02 09:24:15,505 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 18 [2019-10-02 09:24:15,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 09:24:15,722 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.MultiDimensionalNestedStore.getInnermost(MultiDimensionalNestedStore.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:277) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.downgradeDimensionsIfNecessary(ArrayOccurrenceAnalysis.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:132) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:64) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:390) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:465) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:371) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-02 09:24:15,728 INFO L168 Benchmark]: Toolchain (without parser) took 115312.19 ms. Allocated memory was 138.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 79.5 MB in the beginning and 803.4 MB in the end (delta: -723.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-10-02 09:24:15,729 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-02 09:24:15,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2315.75 ms. Allocated memory was 138.9 MB in the beginning and 218.6 MB in the end (delta: 79.7 MB). Free memory was 79.0 MB in the beginning and 77.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-10-02 09:24:15,732 INFO L168 Benchmark]: Boogie Preprocessor took 411.56 ms. Allocated memory was 218.6 MB in the beginning and 271.1 MB in the end (delta: 52.4 MB). Free memory was 77.6 MB in the beginning and 218.5 MB in the end (delta: -140.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-10-02 09:24:15,736 INFO L168 Benchmark]: RCFGBuilder took 4121.28 ms. Allocated memory was 271.1 MB in the beginning and 366.5 MB in the end (delta: 95.4 MB). Free memory was 218.5 MB in the beginning and 196.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 162.9 MB. Max. memory is 7.1 GB. [2019-10-02 09:24:15,736 INFO L168 Benchmark]: TraceAbstraction took 108457.53 ms. Allocated memory was 366.5 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 196.8 MB in the beginning and 803.4 MB in the end (delta: -606.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-10-02 09:24:15,743 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2315.75 ms. Allocated memory was 138.9 MB in the beginning and 218.6 MB in the end (delta: 79.7 MB). Free memory was 79.0 MB in the beginning and 77.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 411.56 ms. Allocated memory was 218.6 MB in the beginning and 271.1 MB in the end (delta: 52.4 MB). Free memory was 77.6 MB in the beginning and 218.5 MB in the end (delta: -140.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4121.28 ms. Allocated memory was 271.1 MB in the beginning and 366.5 MB in the end (delta: 95.4 MB). Free memory was 218.5 MB in the beginning and 196.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 162.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 108457.53 ms. Allocated memory was 366.5 MB in the beginning and 2.7 GB in the end (delta: 2.3 GB). Free memory was 196.8 MB in the beginning and 803.4 MB in the end (delta: -606.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.MultiDimensionalNestedStore.getInnermost(MultiDimensionalNestedStore.java:121) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...