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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 11:36:54,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 11:36:54,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 11:36:54,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 11:36:54,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 11:36:54,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 11:36:54,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 11:36:54,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 11:36:54,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 11:36:54,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 11:36:54,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 11:36:54,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 11:36:54,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 11:36:54,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 11:36:54,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 11:36:54,661 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 11:36:54,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 11:36:54,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 11:36:54,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 11:36:54,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 11:36:54,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 11:36:54,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 11:36:54,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 11:36:54,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 11:36:54,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 11:36:54,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 11:36:54,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 11:36:54,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 11:36:54,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 11:36:54,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 11:36:54,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 11:36:54,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 11:36:54,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 11:36:54,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 11:36:54,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 11:36:54,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 11:36:54,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 11:36:54,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 11:36:54,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 11:36:54,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 11:36:54,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 11:36:54,692 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 [2019-10-07 11:36:54,711 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 11:36:54,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 11:36:54,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 11:36:54,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 11:36:54,713 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 11:36:54,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 11:36:54,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 11:36:54,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 11:36:54,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 11:36:54,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 11:36:54,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 11:36:54,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 11:36:54,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 11:36:54,715 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 11:36:54,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 11:36:54,715 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 11:36:54,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 11:36:54,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 11:36:54,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 11:36:54,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 11:36:54,716 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 11:36:54,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 11:36:54,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 11:36:54,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 11:36:54,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 11:36:54,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 11:36:54,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 11:36:54,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 11:36:54,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 11:36:55,013 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 11:36:55,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 11:36:55,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 11:36:55,038 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 11:36:55,038 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 11:36:55,039 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2019-10-07 11:36:55,117 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937006cf7/d66043d80c384d17adb0202d30fc192b/FLAG6423f6ff1 [2019-10-07 11:36:56,043 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 11:36:56,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2019-10-07 11:36:56,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937006cf7/d66043d80c384d17adb0202d30fc192b/FLAG6423f6ff1 [2019-10-07 11:36:56,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/937006cf7/d66043d80c384d17adb0202d30fc192b [2019-10-07 11:36:56,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 11:36:56,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 11:36:56,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 11:36:56,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 11:36:56,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 11:36:56,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:36:56" (1/1) ... [2019-10-07 11:36:56,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@843e590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:36:56, skipping insertion in model container [2019-10-07 11:36:56,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 11:36:56" (1/1) ... [2019-10-07 11:36:56,493 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 11:36:56,697 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 11:37:00,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:37:00,066 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 11:37:00,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 11:37:00,979 INFO L192 MainTranslator]: Completed translation [2019-10-07 11:37:00,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00 WrapperNode [2019-10-07 11:37:00,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 11:37:00,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 11:37:00,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 11:37:00,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 11:37:00,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:00,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (1/1) ... [2019-10-07 11:37:01,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 11:37:01,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 11:37:01,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 11:37:01,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 11:37:01,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (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 [2019-10-07 11:37:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 11:37:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 11:37:01,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 11:37:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 11:37:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:37:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2019-10-07 11:37:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 11:37:01,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 11:37:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 11:37:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 11:37:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 11:37:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 11:37:01,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 11:37:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 11:37:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 11:37:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 11:37:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 11:37:01,658 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-07 11:37:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-07 11:37:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 11:37:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-07 11:37:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-07 11:37:01,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2019-10-07 11:37:01,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-07 11:37:01,661 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_target [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_syscall_down [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_reply [2019-10-07 11:37:01,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_taskmgmt_reply [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_taskmgmt [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_timeout_expired [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_ioc_reset [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_event_process [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fasync [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __mptctl_ioctl [2019-10-07 11:37:01,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_ioctl [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_reset [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_fw_download [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_fw_download [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kbuf_alloc_2_sgl [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_sgl [2019-10-07 11:37:01,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_getiocinfo [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_gettargetinfo [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_readtest [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_eventquery [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_eventenable [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_eventreport [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_replace_fw [2019-10-07 11:37:01,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_mpt_command [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_do_mpt_command [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_hp_hostinfo [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_hp_targetinfo [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_mptfwxfer_ioctl [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_mpt_command [2019-10-07 11:37:01,666 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_mpctl_ioctl [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_probe [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_remove [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_init [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure mptctl_exit [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mpt_pci_driver_1 [2019-10-07 11:37:01,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-07 11:37:01,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_12 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_13 [2019-10-07 11:37:01,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-07 11:37:01,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_24 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_26 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-07 11:37:01,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2019-10-07 11:37:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-07 11:37:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-07 11:37:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-07 11:37:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_32 [2019-10-07 11:37:01,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_33 [2019-10-07 11:37:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_34 [2019-10-07 11:37:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_35 [2019-10-07 11:37:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 11:37:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:37:01,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:37:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-07 11:37:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mpctl_mutex [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mpctl_mutex [2019-10-07 11:37:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mpctl_mutex [2019-10-07 11:37:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mpctl_mutex [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mpctl_mutex [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of__MPT_MGMT [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of__MPT_MGMT [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:37:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:37:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 11:37:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:37:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure fasync_helper [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2019-10-07 11:37:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_2 [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_GetIocState [2019-10-07 11:37:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_HardResetHandler [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_Soft_Hard_ResetHandler [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_alloc_fw_memory [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_clear_taskmgmt_in_progress_flag [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_config [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_deregister [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_deregister [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_device_driver_register [2019-10-07 11:37:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_event_deregister [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_event_register [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_fw_memory [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_free_msg_frame [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_get_msg_frame [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_halt_firmware [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame [2019-10-07 11:37:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_put_msg_frame_hi_pri [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_register [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_reset_deregister [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_reset_register [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_send_handshake_request [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_set_taskmgmt_in_progress_flag [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mpt_verify_adapter [2019-10-07 11:37:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2019-10-07 11:37:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 11:37:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 11:37:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 11:37:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 11:37:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 11:37:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 11:37:01,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2019-10-07 11:37:01,759 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-07 11:37:01,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_12 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-07 11:37:01,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_24 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-07 11:37:01,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_26 [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 11:37:01,763 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 11:37:01,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 11:37:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_13 [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-07 11:37:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-07 11:37:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpctl_mutex [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpctl_mutex [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of__MPT_MGMT [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 11:37:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 11:37:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mpt_pci_driver_1 [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 11:37:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-07 11:37:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2019-10-07 11:37:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_32 [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_33 [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_34 [2019-10-07 11:37:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_35 [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure fasync_helper [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 11:37:01,775 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_target [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_register [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_deregister [2019-10-07 11:37:01,776 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_event_register [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_event_deregister [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_reset_register [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_reset_deregister [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_register [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_device_driver_deregister [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_get_msg_frame [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_msg_frame [2019-10-07 11:37:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_put_msg_frame_hi_pri [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_send_handshake_request [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_verify_adapter [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_GetIocState [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_HardResetHandler [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_Soft_Hard_ResetHandler [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_config [2019-10-07 11:37:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_alloc_fw_memory [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_free_fw_memory [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_set_taskmgmt_in_progress_flag [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_clear_taskmgmt_in_progress_flag [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mpt_halt_firmware [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fw_download [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_getiocinfo [2019-10-07 11:37:01,779 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_gettargetinfo [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_readtest [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_mpt_command [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_eventquery [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_eventenable [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_eventreport [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_replace_fw [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_reset [2019-10-07 11:37:01,780 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_hp_hostinfo [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_hp_targetinfo [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_probe [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_remove [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure compat_mpctl_ioctl [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_mpt_command [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_fw_download [2019-10-07 11:37:01,781 INFO L130 BoogieDeclarations]: Found specification of procedure kbuf_alloc_2_sgl [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_sgl [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_ioc_reset [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_event_process [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_syscall_down [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_reply [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-07 11:37:01,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_taskmgmt_reply [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_do_taskmgmt [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_timeout_expired [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_fasync [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure __mptctl_ioctl [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_ioctl [2019-10-07 11:37:01,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~dma_addr_t~0~TO~VOID [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure compat_mptfwxfer_ioctl [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure compat_mpt_command [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_init [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure mptctl_exit [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_2 [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 11:37:01,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-07 11:37:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-07 11:37:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-07 11:37:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mpctl_mutex [2019-10-07 11:37:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mpctl_mutex [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mpctl_mutex [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of__MPT_MGMT [2019-10-07 11:37:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of__MPT_MGMT [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-07 11:37:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 11:37:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 11:37:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 11:37:03,306 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 11:46:22,593 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 11:46:22,594 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-07 11:46:22,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:46:22 BoogieIcfgContainer [2019-10-07 11:46:22,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 11:46:22,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 11:46:22,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 11:46:22,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 11:46:22,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 11:36:56" (1/3) ... [2019-10-07 11:46:22,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773af1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:46:22, skipping insertion in model container [2019-10-07 11:46:22,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 11:37:00" (2/3) ... [2019-10-07 11:46:22,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@773af1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 11:46:22, skipping insertion in model container [2019-10-07 11:46:22,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 11:46:22" (3/3) ... [2019-10-07 11:46:22,604 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--message--fusion--mptctl.ko-entry_point.cil.out.i [2019-10-07 11:46:22,613 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 11:46:22,624 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 11:46:22,635 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 11:46:22,668 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 11:46:22,668 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 11:46:22,668 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 11:46:22,668 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 11:46:22,668 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 11:46:22,669 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 11:46:22,669 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 11:46:22,669 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 11:46:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states. [2019-10-07 11:46:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-07 11:46:22,725 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:22,726 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 11:46:22,728 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:22,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:22,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1366079770, now seen corresponding path program 1 times [2019-10-07 11:46:22,743 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:22,743 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:22,743 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:22,743 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-10-07 11:46:23,788 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:23,789 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:23,789 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:23,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:23,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:23,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:23,813 INFO L87 Difference]: Start difference. First operand 1494 states. Second operand 3 states. [2019-10-07 11:46:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:25,109 INFO L93 Difference]: Finished difference Result 2622 states and 3573 transitions. [2019-10-07 11:46:25,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:25,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2019-10-07 11:46:25,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:25,155 INFO L225 Difference]: With dead ends: 2622 [2019-10-07 11:46:25,156 INFO L226 Difference]: Without dead ends: 1359 [2019-10-07 11:46:25,168 INFO L606 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 [2019-10-07 11:46:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2019-10-07 11:46:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1333. [2019-10-07 11:46:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2019-10-07 11:46:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1762 transitions. [2019-10-07 11:46:25,336 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1762 transitions. Word has length 104 [2019-10-07 11:46:25,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:25,339 INFO L462 AbstractCegarLoop]: Abstraction has 1333 states and 1762 transitions. [2019-10-07 11:46:25,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1762 transitions. [2019-10-07 11:46:25,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 11:46:25,348 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:25,348 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-10-07 11:46:25,351 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:25,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:25,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1384706885, now seen corresponding path program 1 times [2019-10-07 11:46:25,351 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:25,351 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:25,352 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:25,352 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:25,773 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-10-07 11:46:25,773 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:25,773 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:25,774 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:25,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:25,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:25,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:25,776 INFO L87 Difference]: Start difference. First operand 1333 states and 1762 transitions. Second operand 3 states. [2019-10-07 11:46:29,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:29,188 INFO L93 Difference]: Finished difference Result 3803 states and 5055 transitions. [2019-10-07 11:46:29,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:29,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2019-10-07 11:46:29,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:29,218 INFO L225 Difference]: With dead ends: 3803 [2019-10-07 11:46:29,219 INFO L226 Difference]: Without dead ends: 2509 [2019-10-07 11:46:29,227 INFO L606 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 [2019-10-07 11:46:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2019-10-07 11:46:29,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2494. [2019-10-07 11:46:29,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2494 states. [2019-10-07 11:46:29,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3318 transitions. [2019-10-07 11:46:29,389 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3318 transitions. Word has length 125 [2019-10-07 11:46:29,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:29,392 INFO L462 AbstractCegarLoop]: Abstraction has 2494 states and 3318 transitions. [2019-10-07 11:46:29,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3318 transitions. [2019-10-07 11:46:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-07 11:46:29,402 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:29,402 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:29,403 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:29,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:29,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1645506380, now seen corresponding path program 1 times [2019-10-07 11:46:29,403 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:29,403 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:29,403 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:29,404 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:29,787 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:29,788 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:29,788 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:29,788 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:29,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:29,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:29,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:29,789 INFO L87 Difference]: Start difference. First operand 2494 states and 3318 transitions. Second operand 3 states. [2019-10-07 11:46:29,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:29,863 INFO L93 Difference]: Finished difference Result 2496 states and 3319 transitions. [2019-10-07 11:46:29,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:29,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-10-07 11:46:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:29,880 INFO L225 Difference]: With dead ends: 2496 [2019-10-07 11:46:29,880 INFO L226 Difference]: Without dead ends: 2493 [2019-10-07 11:46:29,882 INFO L606 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 [2019-10-07 11:46:29,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2019-10-07 11:46:29,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2493. [2019-10-07 11:46:29,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-10-07 11:46:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3316 transitions. [2019-10-07 11:46:29,994 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3316 transitions. Word has length 143 [2019-10-07 11:46:29,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:29,994 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3316 transitions. [2019-10-07 11:46:29,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3316 transitions. [2019-10-07 11:46:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 11:46:29,997 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:29,997 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:29,997 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:29,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:29,998 INFO L82 PathProgramCache]: Analyzing trace with hash 528214832, now seen corresponding path program 1 times [2019-10-07 11:46:29,998 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:29,998 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:29,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:29,998 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:29,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:30,379 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:30,379 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:30,379 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:30,380 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:30,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:30,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:30,380 INFO L87 Difference]: Start difference. First operand 2493 states and 3316 transitions. Second operand 3 states. [2019-10-07 11:46:30,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:30,473 INFO L93 Difference]: Finished difference Result 2495 states and 3317 transitions. [2019-10-07 11:46:30,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:30,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-07 11:46:30,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:30,495 INFO L225 Difference]: With dead ends: 2495 [2019-10-07 11:46:30,495 INFO L226 Difference]: Without dead ends: 2492 [2019-10-07 11:46:30,498 INFO L606 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 [2019-10-07 11:46:30,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2019-10-07 11:46:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2492. [2019-10-07 11:46:30,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2492 states. [2019-10-07 11:46:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 3314 transitions. [2019-10-07 11:46:30,639 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 3314 transitions. Word has length 144 [2019-10-07 11:46:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:30,641 INFO L462 AbstractCegarLoop]: Abstraction has 2492 states and 3314 transitions. [2019-10-07 11:46:30,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 3314 transitions. [2019-10-07 11:46:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 11:46:30,646 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:30,646 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:30,646 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:30,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:30,647 INFO L82 PathProgramCache]: Analyzing trace with hash -805899465, now seen corresponding path program 1 times [2019-10-07 11:46:30,647 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:30,647 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:30,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:30,647 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:30,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:32,024 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:32,024 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:32,024 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:32,025 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:32,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:32,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:32,026 INFO L87 Difference]: Start difference. First operand 2492 states and 3314 transitions. Second operand 3 states. [2019-10-07 11:46:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:32,144 INFO L93 Difference]: Finished difference Result 2500 states and 3318 transitions. [2019-10-07 11:46:32,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:32,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-07 11:46:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:32,168 INFO L225 Difference]: With dead ends: 2500 [2019-10-07 11:46:32,168 INFO L226 Difference]: Without dead ends: 2496 [2019-10-07 11:46:32,172 INFO L606 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 [2019-10-07 11:46:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2496 states. [2019-10-07 11:46:32,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2496 to 2494. [2019-10-07 11:46:32,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2494 states. [2019-10-07 11:46:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 3311 transitions. [2019-10-07 11:46:32,336 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 3311 transitions. Word has length 145 [2019-10-07 11:46:32,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:32,337 INFO L462 AbstractCegarLoop]: Abstraction has 2494 states and 3311 transitions. [2019-10-07 11:46:32,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:32,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 3311 transitions. [2019-10-07 11:46:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 11:46:32,340 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:32,340 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:32,341 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:32,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:32,341 INFO L82 PathProgramCache]: Analyzing trace with hash 786235155, now seen corresponding path program 1 times [2019-10-07 11:46:32,341 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:32,342 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:32,342 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:32,342 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:32,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:32,715 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:32,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:32,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:32,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:32,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:32,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:32,717 INFO L87 Difference]: Start difference. First operand 2494 states and 3311 transitions. Second operand 3 states. [2019-10-07 11:46:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:32,912 INFO L93 Difference]: Finished difference Result 6424 states and 8535 transitions. [2019-10-07 11:46:32,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:32,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-07 11:46:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:32,939 INFO L225 Difference]: With dead ends: 6424 [2019-10-07 11:46:32,940 INFO L226 Difference]: Without dead ends: 3969 [2019-10-07 11:46:32,951 INFO L606 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 [2019-10-07 11:46:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2019-10-07 11:46:33,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3948. [2019-10-07 11:46:33,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3948 states. [2019-10-07 11:46:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 5206 transitions. [2019-10-07 11:46:33,164 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 5206 transitions. Word has length 146 [2019-10-07 11:46:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:33,168 INFO L462 AbstractCegarLoop]: Abstraction has 3948 states and 5206 transitions. [2019-10-07 11:46:33,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 5206 transitions. [2019-10-07 11:46:33,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 11:46:33,171 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:33,171 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 11:46:33,171 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:33,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:33,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1397194310, now seen corresponding path program 1 times [2019-10-07 11:46:33,172 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:33,172 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:33,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:33,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:33,575 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:33,575 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:33,575 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:33,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:33,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:33,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:33,577 INFO L87 Difference]: Start difference. First operand 3948 states and 5206 transitions. Second operand 3 states. [2019-10-07 11:46:33,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:33,685 INFO L93 Difference]: Finished difference Result 3950 states and 5207 transitions. [2019-10-07 11:46:33,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:33,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-07 11:46:33,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:33,708 INFO L225 Difference]: With dead ends: 3950 [2019-10-07 11:46:33,708 INFO L226 Difference]: Without dead ends: 3916 [2019-10-07 11:46:33,711 INFO L606 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 [2019-10-07 11:46:33,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3916 states. [2019-10-07 11:46:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3916 to 3916. [2019-10-07 11:46:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3916 states. [2019-10-07 11:46:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3916 states and 5166 transitions. [2019-10-07 11:46:33,983 INFO L78 Accepts]: Start accepts. Automaton has 3916 states and 5166 transitions. Word has length 147 [2019-10-07 11:46:33,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:33,984 INFO L462 AbstractCegarLoop]: Abstraction has 3916 states and 5166 transitions. [2019-10-07 11:46:33,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 5166 transitions. [2019-10-07 11:46:33,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-07 11:46:33,992 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:33,992 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2019-10-07 11:46:33,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:33,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:33,993 INFO L82 PathProgramCache]: Analyzing trace with hash -619844929, now seen corresponding path program 1 times [2019-10-07 11:46:33,994 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:33,994 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:33,994 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:33,994 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:34,346 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:34,346 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:34,347 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:34,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:34,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:34,349 INFO L87 Difference]: Start difference. First operand 3916 states and 5166 transitions. Second operand 3 states. [2019-10-07 11:46:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:37,946 INFO L93 Difference]: Finished difference Result 6027 states and 7922 transitions. [2019-10-07 11:46:37,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:37,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-07 11:46:37,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:37,961 INFO L225 Difference]: With dead ends: 6027 [2019-10-07 11:46:37,961 INFO L226 Difference]: Without dead ends: 2148 [2019-10-07 11:46:37,976 INFO L606 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 [2019-10-07 11:46:37,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2019-10-07 11:46:38,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2139. [2019-10-07 11:46:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2019-10-07 11:46:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2789 transitions. [2019-10-07 11:46:38,076 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2789 transitions. Word has length 171 [2019-10-07 11:46:38,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:38,077 INFO L462 AbstractCegarLoop]: Abstraction has 2139 states and 2789 transitions. [2019-10-07 11:46:38,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2789 transitions. [2019-10-07 11:46:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-07 11:46:38,081 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:38,081 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2019-10-07 11:46:38,081 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:38,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:38,081 INFO L82 PathProgramCache]: Analyzing trace with hash -682079519, now seen corresponding path program 1 times [2019-10-07 11:46:38,082 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:38,082 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:38,082 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:38,082 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:38,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:38,513 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-10-07 11:46:38,514 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:38,514 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:38,514 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:38,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:38,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:38,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:38,516 INFO L87 Difference]: Start difference. First operand 2139 states and 2789 transitions. Second operand 3 states. [2019-10-07 11:46:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:42,208 INFO L93 Difference]: Finished difference Result 4424 states and 5768 transitions. [2019-10-07 11:46:42,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:42,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-07 11:46:42,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:42,222 INFO L225 Difference]: With dead ends: 4424 [2019-10-07 11:46:42,222 INFO L226 Difference]: Without dead ends: 2372 [2019-10-07 11:46:42,230 INFO L606 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 [2019-10-07 11:46:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2019-10-07 11:46:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2331. [2019-10-07 11:46:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2331 states. [2019-10-07 11:46:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 3020 transitions. [2019-10-07 11:46:42,327 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 3020 transitions. Word has length 174 [2019-10-07 11:46:42,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:42,328 INFO L462 AbstractCegarLoop]: Abstraction has 2331 states and 3020 transitions. [2019-10-07 11:46:42,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 3020 transitions. [2019-10-07 11:46:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-07 11:46:42,331 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:42,331 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 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] [2019-10-07 11:46:42,332 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:42,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:42,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1446170443, now seen corresponding path program 1 times [2019-10-07 11:46:42,332 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:42,332 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:42,333 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:42,333 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:42,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2019-10-07 11:46:42,679 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:42,680 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:42,681 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 11:46:42,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 11:46:42,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 11:46:42,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 11:46:42,688 INFO L87 Difference]: Start difference. First operand 2331 states and 3020 transitions. Second operand 3 states. [2019-10-07 11:46:46,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:46:46,216 INFO L93 Difference]: Finished difference Result 2335 states and 3022 transitions. [2019-10-07 11:46:46,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 11:46:46,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-07 11:46:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:46:46,243 INFO L225 Difference]: With dead ends: 2335 [2019-10-07 11:46:46,243 INFO L226 Difference]: Without dead ends: 2332 [2019-10-07 11:46:46,245 INFO L606 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 [2019-10-07 11:46:46,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2019-10-07 11:46:46,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2330. [2019-10-07 11:46:46,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2330 states. [2019-10-07 11:46:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3015 transitions. [2019-10-07 11:46:46,328 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3015 transitions. Word has length 177 [2019-10-07 11:46:46,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:46:46,329 INFO L462 AbstractCegarLoop]: Abstraction has 2330 states and 3015 transitions. [2019-10-07 11:46:46,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 11:46:46,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3015 transitions. [2019-10-07 11:46:46,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 11:46:46,335 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:46:46,335 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:46:46,336 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:46:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:46:46,336 INFO L82 PathProgramCache]: Analyzing trace with hash 954073729, now seen corresponding path program 1 times [2019-10-07 11:46:46,336 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:46:46,336 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:46,337 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:46,337 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:46:46,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:46:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:46:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2019-10-07 11:46:46,896 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:46:46,896 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:46:46,896 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 11:46:46,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 11:46:46,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 11:46:46,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 11:46:46,897 INFO L87 Difference]: Start difference. First operand 2330 states and 3015 transitions. Second operand 11 states. [2019-10-07 11:47:06,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:47:06,752 INFO L93 Difference]: Finished difference Result 5160 states and 6759 transitions. [2019-10-07 11:47:06,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 11:47:06,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 249 [2019-10-07 11:47:06,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:47:06,766 INFO L225 Difference]: With dead ends: 5160 [2019-10-07 11:47:06,767 INFO L226 Difference]: Without dead ends: 2917 [2019-10-07 11:47:06,776 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:47:06,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2019-10-07 11:47:06,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 2912. [2019-10-07 11:47:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2912 states. [2019-10-07 11:47:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2912 states to 2912 states and 3814 transitions. [2019-10-07 11:47:06,883 INFO L78 Accepts]: Start accepts. Automaton has 2912 states and 3814 transitions. Word has length 249 [2019-10-07 11:47:06,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:47:06,884 INFO L462 AbstractCegarLoop]: Abstraction has 2912 states and 3814 transitions. [2019-10-07 11:47:06,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 11:47:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2912 states and 3814 transitions. [2019-10-07 11:47:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-07 11:47:06,890 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:47:06,890 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:47:06,890 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:47:06,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:47:06,891 INFO L82 PathProgramCache]: Analyzing trace with hash 655187318, now seen corresponding path program 1 times [2019-10-07 11:47:06,891 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:47:06,891 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:06,891 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:06,891 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:47:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2019-10-07 11:47:07,386 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:07,387 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:47:07,387 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 11:47:07,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 11:47:07,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 11:47:07,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-10-07 11:47:07,388 INFO L87 Difference]: Start difference. First operand 2912 states and 3814 transitions. Second operand 11 states. [2019-10-07 11:47:27,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:47:27,217 INFO L93 Difference]: Finished difference Result 6287 states and 8264 transitions. [2019-10-07 11:47:27,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 11:47:27,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 249 [2019-10-07 11:47:27,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:47:27,233 INFO L225 Difference]: With dead ends: 6287 [2019-10-07 11:47:27,234 INFO L226 Difference]: Without dead ends: 3462 [2019-10-07 11:47:27,245 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:47:27,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3462 states. [2019-10-07 11:47:27,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3462 to 2865. [2019-10-07 11:47:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2865 states. [2019-10-07 11:47:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 3712 transitions. [2019-10-07 11:47:27,363 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 3712 transitions. Word has length 249 [2019-10-07 11:47:27,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:47:27,363 INFO L462 AbstractCegarLoop]: Abstraction has 2865 states and 3712 transitions. [2019-10-07 11:47:27,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 11:47:27,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 3712 transitions. [2019-10-07 11:47:27,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-07 11:47:27,369 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:47:27,369 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:47:27,370 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:47:27,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:47:27,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1596409374, now seen corresponding path program 1 times [2019-10-07 11:47:27,370 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:47:27,370 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:27,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:27,371 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:47:27,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:47:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:47:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 11:47:27,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:47:27,971 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:47:27,971 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 11:47:27,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:47:27,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:47:27,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:47:27,973 INFO L87 Difference]: Start difference. First operand 2865 states and 3712 transitions. Second operand 12 states. [2019-10-07 11:48:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:48:03,954 INFO L93 Difference]: Finished difference Result 6088 states and 7963 transitions. [2019-10-07 11:48:03,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 11:48:03,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2019-10-07 11:48:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:48:03,969 INFO L225 Difference]: With dead ends: 6088 [2019-10-07 11:48:03,970 INFO L226 Difference]: Without dead ends: 3310 [2019-10-07 11:48:03,979 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:48:03,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2019-10-07 11:48:04,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3128. [2019-10-07 11:48:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3128 states. [2019-10-07 11:48:04,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 4065 transitions. [2019-10-07 11:48:04,097 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 4065 transitions. Word has length 246 [2019-10-07 11:48:04,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:48:04,098 INFO L462 AbstractCegarLoop]: Abstraction has 3128 states and 4065 transitions. [2019-10-07 11:48:04,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:48:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 4065 transitions. [2019-10-07 11:48:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-07 11:48:04,104 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:48:04,104 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:48:04,104 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:48:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:48:04,105 INFO L82 PathProgramCache]: Analyzing trace with hash -515403177, now seen corresponding path program 1 times [2019-10-07 11:48:04,105 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:48:04,105 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:48:04,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:48:04,105 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:48:04,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:48:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:48:04,724 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 11:48:04,724 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:48:04,725 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:48:04,725 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 11:48:04,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:48:04,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:48:04,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:48:04,726 INFO L87 Difference]: Start difference. First operand 3128 states and 4065 transitions. Second operand 12 states. [2019-10-07 11:48:44,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:48:44,359 INFO L93 Difference]: Finished difference Result 6283 states and 8190 transitions. [2019-10-07 11:48:44,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 11:48:44,360 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2019-10-07 11:48:44,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:48:44,373 INFO L225 Difference]: With dead ends: 6283 [2019-10-07 11:48:44,373 INFO L226 Difference]: Without dead ends: 3242 [2019-10-07 11:48:44,382 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:48:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2019-10-07 11:48:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 2853. [2019-10-07 11:48:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2853 states. [2019-10-07 11:48:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2853 states and 3657 transitions. [2019-10-07 11:48:44,487 INFO L78 Accepts]: Start accepts. Automaton has 2853 states and 3657 transitions. Word has length 246 [2019-10-07 11:48:44,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:48:44,488 INFO L462 AbstractCegarLoop]: Abstraction has 2853 states and 3657 transitions. [2019-10-07 11:48:44,488 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:48:44,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2853 states and 3657 transitions. [2019-10-07 11:48:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 11:48:44,494 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:48:44,494 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:48:44,494 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:48:44,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:48:44,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2100806391, now seen corresponding path program 1 times [2019-10-07 11:48:44,495 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:48:44,495 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:48:44,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:48:44,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:48:44,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:48:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:48:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 11:48:44,966 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:48:44,966 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:48:44,966 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 11:48:44,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:48:44,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:48:44,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:48:44,968 INFO L87 Difference]: Start difference. First operand 2853 states and 3657 transitions. Second operand 12 states. [2019-10-07 11:49:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:49:25,812 INFO L93 Difference]: Finished difference Result 3433 states and 4405 transitions. [2019-10-07 11:49:25,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 11:49:25,813 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 251 [2019-10-07 11:49:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:49:25,825 INFO L225 Difference]: With dead ends: 3433 [2019-10-07 11:49:25,825 INFO L226 Difference]: Without dead ends: 3270 [2019-10-07 11:49:25,827 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:49:25,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3270 states. [2019-10-07 11:49:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3270 to 3126. [2019-10-07 11:49:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3126 states. [2019-10-07 11:49:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 3995 transitions. [2019-10-07 11:49:25,937 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 3995 transitions. Word has length 251 [2019-10-07 11:49:25,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:49:25,937 INFO L462 AbstractCegarLoop]: Abstraction has 3126 states and 3995 transitions. [2019-10-07 11:49:25,937 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:49:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 3995 transitions. [2019-10-07 11:49:25,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 11:49:25,943 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:49:25,944 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 11:49:25,944 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:49:25,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:49:25,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1058318100, now seen corresponding path program 1 times [2019-10-07 11:49:25,944 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:49:25,945 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:49:25,945 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:49:25,945 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:49:25,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:49:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:49:26,400 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2019-10-07 11:49:26,401 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:49:26,403 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:49:26,403 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 11:49:26,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 11:49:26,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 11:49:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-07 11:49:26,405 INFO L87 Difference]: Start difference. First operand 3126 states and 3995 transitions. Second operand 12 states. [2019-10-07 11:49:57,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:49:57,594 INFO L93 Difference]: Finished difference Result 3404 states and 4353 transitions. [2019-10-07 11:49:57,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 11:49:57,594 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 251 [2019-10-07 11:49:57,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:49:57,606 INFO L225 Difference]: With dead ends: 3404 [2019-10-07 11:49:57,606 INFO L226 Difference]: Without dead ends: 3241 [2019-10-07 11:49:57,608 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2019-10-07 11:49:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3241 states. [2019-10-07 11:49:57,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3241 to 2814. [2019-10-07 11:49:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2814 states. [2019-10-07 11:49:57,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 3590 transitions. [2019-10-07 11:49:57,708 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 3590 transitions. Word has length 251 [2019-10-07 11:49:57,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:49:57,709 INFO L462 AbstractCegarLoop]: Abstraction has 2814 states and 3590 transitions. [2019-10-07 11:49:57,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 11:49:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3590 transitions. [2019-10-07 11:49:57,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-07 11:49:57,718 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:49:57,718 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 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] [2019-10-07 11:49:57,719 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:49:57,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:49:57,719 INFO L82 PathProgramCache]: Analyzing trace with hash -507224650, now seen corresponding path program 1 times [2019-10-07 11:49:57,719 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:49:57,719 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:49:57,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:49:57,720 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:49:57,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:49:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:49:58,272 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2019-10-07 11:49:58,272 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:49:58,273 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:49:58,273 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-07 11:49:58,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-07 11:49:58,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-07 11:49:58,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-10-07 11:49:58,274 INFO L87 Difference]: Start difference. First operand 2814 states and 3590 transitions. Second operand 13 states. [2019-10-07 11:50:31,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 11:50:31,849 INFO L93 Difference]: Finished difference Result 3820 states and 4970 transitions. [2019-10-07 11:50:31,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 11:50:31,850 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 287 [2019-10-07 11:50:31,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 11:50:31,862 INFO L225 Difference]: With dead ends: 3820 [2019-10-07 11:50:31,862 INFO L226 Difference]: Without dead ends: 3780 [2019-10-07 11:50:31,864 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2019-10-07 11:50:31,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2019-10-07 11:50:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3495. [2019-10-07 11:50:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3495 states. [2019-10-07 11:50:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 3495 states and 4461 transitions. [2019-10-07 11:50:32,001 INFO L78 Accepts]: Start accepts. Automaton has 3495 states and 4461 transitions. Word has length 287 [2019-10-07 11:50:32,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 11:50:32,002 INFO L462 AbstractCegarLoop]: Abstraction has 3495 states and 4461 transitions. [2019-10-07 11:50:32,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-07 11:50:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 3495 states and 4461 transitions. [2019-10-07 11:50:32,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-10-07 11:50:32,015 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 11:50:32,015 INFO L385 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 3, 3, 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] [2019-10-07 11:50:32,015 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 11:50:32,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 11:50:32,016 INFO L82 PathProgramCache]: Analyzing trace with hash 262532981, now seen corresponding path program 1 times [2019-10-07 11:50:32,016 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 11:50:32,016 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:50:32,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:50:32,016 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 11:50:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 11:50:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 11:50:32,538 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2019-10-07 11:50:32,538 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 11:50:32,539 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 11:50:32,539 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-07 11:50:32,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-07 11:50:32,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-07 11:50:32,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-10-07 11:50:32,540 INFO L87 Difference]: Start difference. First operand 3495 states and 4461 transitions. Second operand 13 states.