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-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 12:32:44,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 12:32:44,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 12:32:44,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 12:32:44,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 12:32:44,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 12:32:44,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 12:32:44,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 12:32:44,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 12:32:44,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 12:32:44,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 12:32:44,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 12:32:44,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 12:32:44,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 12:32:44,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 12:32:44,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 12:32:44,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 12:32:44,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 12:32:44,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 12:32:44,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 12:32:44,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 12:32:44,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 12:32:44,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 12:32:44,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 12:32:44,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 12:32:44,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 12:32:44,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 12:32:44,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 12:32:44,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 12:32:44,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 12:32:44,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 12:32:44,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 12:32:44,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 12:32:44,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 12:32:44,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 12:32:44,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 12:32:44,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 12:32:44,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 12:32:44,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 12:32:44,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 12:32:44,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 12:32:44,957 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 12:32:44,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 12:32:44,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 12:32:44,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 12:32:44,998 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 12:32:45,001 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 12:32:45,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 12:32:45,002 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 12:32:45,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 12:32:45,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 12:32:45,002 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 12:32:45,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 12:32:45,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 12:32:45,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 12:32:45,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 12:32:45,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 12:32:45,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 12:32:45,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 12:32:45,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 12:32:45,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 12:32:45,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 12:32:45,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 12:32:45,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 12:32:45,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 12:32:45,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 12:32:45,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 12:32:45,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 12:32:45,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 12:32:45,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 12:32:45,011 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 12:32:45,369 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 12:32:45,388 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 12:32:45,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 12:32:45,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 12:32:45,396 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 12:32:45,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-07 12:32:45,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec8606d66/5a0c1571a61f4e508bac4dde32365e15/FLAG678b48062 [2019-10-07 12:32:46,262 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 12:32:46,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-07 12:32:46,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec8606d66/5a0c1571a61f4e508bac4dde32365e15/FLAG678b48062 [2019-10-07 12:32:46,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec8606d66/5a0c1571a61f4e508bac4dde32365e15 [2019-10-07 12:32:46,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 12:32:46,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 12:32:46,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 12:32:46,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 12:32:46,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 12:32:46,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:32:46" (1/1) ... [2019-10-07 12:32:46,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b78129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:46, skipping insertion in model container [2019-10-07 12:32:46,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 12:32:46" (1/1) ... [2019-10-07 12:32:46,801 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 12:32:46,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 12:32:48,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:32:48,384 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 12:32:48,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 12:32:48,962 INFO L192 MainTranslator]: Completed translation [2019-10-07 12:32:48,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48 WrapperNode [2019-10-07 12:32:48,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 12:32:48,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 12:32:48,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 12:32:48,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 12:32:48,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:48,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (1/1) ... [2019-10-07 12:32:49,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 12:32:49,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 12:32:49,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 12:32:49,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 12:32:49,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (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 12:32:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 12:32:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 12:32:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2019-10-07 12:32:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-07 12:32:49,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-07 12:32:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-07 12:32:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-07 12:32:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-07 12:32:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-07 12:32:49,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-07 12:32:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-07 12:32:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-07 12:32:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-07 12:32:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-07 12:32:49,334 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-07 12:32:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-07 12:32:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2019-10-07 12:32:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2019-10-07 12:32:49,335 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_open [2019-10-07 12:32:49,336 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_ioctl [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unlocked_ioctl [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_get_adapter [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_drvrcmd [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mimd_to_kioc [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_attach_buf [2019-10-07 12:32:49,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_alloc_kioc [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_dealloc_kioc [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_ioctl [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl_done [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure lld_timedout [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kioc_to_mimd [2019-10-07 12:32:49,338 INFO L138 BoogieDeclarations]: Found implementation of procedure hinfo_to_cinfo [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_register_adp [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_adapter_app_handle [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_setup_dma_pools [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_unregister_adp [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_free_adp_resources [2019-10-07 12:32:49,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_teardown_dma_pools [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_init [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_compat_ioctl [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure mraid_mm_exit [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-07 12:32:49,340 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_24 [2019-10-07 12:32:49,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_25 [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_26 [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dma_pool_alloc_27 [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_28 [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_29 [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-07 12:32:49,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:32:49,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-07 12:32:49,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-07 12:32:49,345 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2019-10-07 12:32:49,346 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure down [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-07 12:32:49,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-07 12:32:49,348 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-07 12:32:49,349 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-07 12:32:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-07 12:32:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-07 12:32:49,350 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-07 12:32:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 12:32:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-07 12:32:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-07 12:32:49,350 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-07 12:32:49,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 12:32:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-07 12:32:49,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-07 12:32:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-07 12:32:49,355 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-07 12:32:49,356 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-07 12:32:49,357 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_25 [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-07 12:32:49,360 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2019-10-07 12:32:49,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 12:32:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 12:32:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 12:32:49,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 12:32:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure down [2019-10-07 12:32:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure up [2019-10-07 12:32:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-07 12:32:49,363 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2019-10-07 12:32:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2019-10-07 12:32:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_24 [2019-10-07 12:32:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_26 [2019-10-07 12:32:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dma_pool_alloc_27 [2019-10-07 12:32:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2019-10-07 12:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2019-10-07 12:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_28 [2019-10-07 12:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2019-10-07 12:32:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_29 [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_register_adp [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unregister_adp [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_adapter_app_handle [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_open [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_unlocked_ioctl [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure mimd_to_kioc [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure kioc_to_mimd [2019-10-07 12:32:49,367 INFO L130 BoogieDeclarations]: Found specification of procedure handle_drvrcmd [2019-10-07 12:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure lld_ioctl [2019-10-07 12:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl_done [2019-10-07 12:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure lld_timedout [2019-10-07 12:32:49,368 INFO L130 BoogieDeclarations]: Found specification of procedure hinfo_to_cinfo [2019-10-07 12:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_get_adapter [2019-10-07 12:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_alloc_kioc [2019-10-07 12:32:49,369 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_dealloc_kioc [2019-10-07 12:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_attach_buf [2019-10-07 12:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_setup_dma_pools [2019-10-07 12:32:49,371 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_free_adp_resources [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_teardown_dma_pools [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_compat_ioctl [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_ioctl [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~X~~uint32_t~0~TO~int [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_init [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure mraid_mm_exit [2019-10-07 12:32:49,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-07 12:32:49,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-07 12:32:49,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-07 12:32:49,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 12:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-07 12:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-07 12:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-07 12:32:49,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-07 12:32:50,130 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-07 12:33:07,530 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 12:33:07,530 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 12:33:07,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:33:07 BoogieIcfgContainer [2019-10-07 12:33:07,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 12:33:07,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 12:33:07,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 12:33:07,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 12:33:07,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 12:32:46" (1/3) ... [2019-10-07 12:33:07,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22611a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:33:07, skipping insertion in model container [2019-10-07 12:33:07,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 12:32:48" (2/3) ... [2019-10-07 12:33:07,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22611a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 12:33:07, skipping insertion in model container [2019-10-07 12:33:07,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 12:33:07" (3/3) ... [2019-10-07 12:33:07,547 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--megaraid--megaraid_mm.ko-entry_point.cil.out.i [2019-10-07 12:33:07,562 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 12:33:07,579 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 12:33:07,590 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 12:33:07,617 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 12:33:07,617 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 12:33:07,617 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 12:33:07,618 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 12:33:07,618 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 12:33:07,618 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 12:33:07,618 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 12:33:07,618 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 12:33:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states. [2019-10-07 12:33:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-07 12:33:07,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:07,685 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 12:33:07,687 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:07,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:07,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1882020696, now seen corresponding path program 1 times [2019-10-07 12:33:07,699 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:07,699 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:07,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:07,700 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:07,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-07 12:33:08,468 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:08,468 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:08,468 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 12:33:08,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 12:33:08,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 12:33:08,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 12:33:08,492 INFO L87 Difference]: Start difference. First operand 624 states. Second operand 2 states. [2019-10-07 12:33:08,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:08,621 INFO L93 Difference]: Finished difference Result 923 states and 1185 transitions. [2019-10-07 12:33:08,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 12:33:08,623 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 190 [2019-10-07 12:33:08,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:08,651 INFO L225 Difference]: With dead ends: 923 [2019-10-07 12:33:08,651 INFO L226 Difference]: Without dead ends: 449 [2019-10-07 12:33:08,665 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 12:33:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-07 12:33:08,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-10-07 12:33:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-07 12:33:08,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2019-10-07 12:33:08,763 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 190 [2019-10-07 12:33:08,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:08,765 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2019-10-07 12:33:08,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 12:33:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2019-10-07 12:33:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 12:33:08,773 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:08,774 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-07 12:33:08,774 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:08,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:08,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1437258750, now seen corresponding path program 1 times [2019-10-07 12:33:08,775 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:08,775 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:08,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:08,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:08,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-07 12:33:09,311 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:09,311 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:09,311 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:33:09,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:33:09,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:33:09,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:33:09,318 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand 3 states. [2019-10-07 12:33:09,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:09,498 INFO L93 Difference]: Finished difference Result 917 states and 1167 transitions. [2019-10-07 12:33:09,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:33:09,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-07 12:33:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:09,508 INFO L225 Difference]: With dead ends: 917 [2019-10-07 12:33:09,508 INFO L226 Difference]: Without dead ends: 490 [2019-10-07 12:33:09,511 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 12:33:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2019-10-07 12:33:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 482. [2019-10-07 12:33:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-07 12:33:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 612 transitions. [2019-10-07 12:33:09,576 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 612 transitions. Word has length 191 [2019-10-07 12:33:09,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:09,577 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 612 transitions. [2019-10-07 12:33:09,577 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:33:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 612 transitions. [2019-10-07 12:33:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-07 12:33:09,587 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:09,587 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:33:09,588 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:09,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:09,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1074702364, now seen corresponding path program 1 times [2019-10-07 12:33:09,589 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:09,589 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:09,589 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:09,589 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:09,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-10-07 12:33:09,909 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:09,910 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:09,910 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:33:09,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:33:09,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:33:09,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:33:09,912 INFO L87 Difference]: Start difference. First operand 482 states and 612 transitions. Second operand 3 states. [2019-10-07 12:33:10,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:10,159 INFO L93 Difference]: Finished difference Result 991 states and 1266 transitions. [2019-10-07 12:33:10,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:33:10,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2019-10-07 12:33:10,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:10,166 INFO L225 Difference]: With dead ends: 991 [2019-10-07 12:33:10,166 INFO L226 Difference]: Without dead ends: 534 [2019-10-07 12:33:10,168 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 12:33:10,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2019-10-07 12:33:10,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 526. [2019-10-07 12:33:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2019-10-07 12:33:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 668 transitions. [2019-10-07 12:33:10,194 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 668 transitions. Word has length 239 [2019-10-07 12:33:10,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:10,194 INFO L462 AbstractCegarLoop]: Abstraction has 526 states and 668 transitions. [2019-10-07 12:33:10,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:33:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 668 transitions. [2019-10-07 12:33:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-07 12:33:10,199 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:10,200 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:10,200 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:10,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:10,201 INFO L82 PathProgramCache]: Analyzing trace with hash 2102400332, now seen corresponding path program 1 times [2019-10-07 12:33:10,201 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:10,201 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:10,201 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:10,202 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:10,603 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2019-10-07 12:33:10,604 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:10,604 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:10,606 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:33:10,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:33:10,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:33:10,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:33:10,609 INFO L87 Difference]: Start difference. First operand 526 states and 668 transitions. Second operand 3 states. [2019-10-07 12:33:10,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:10,692 INFO L93 Difference]: Finished difference Result 1038 states and 1333 transitions. [2019-10-07 12:33:10,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:33:10,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-10-07 12:33:10,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:10,699 INFO L225 Difference]: With dead ends: 1038 [2019-10-07 12:33:10,699 INFO L226 Difference]: Without dead ends: 537 [2019-10-07 12:33:10,702 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 12:33:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-10-07 12:33:10,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 527. [2019-10-07 12:33:10,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-10-07 12:33:10,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 669 transitions. [2019-10-07 12:33:10,727 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 669 transitions. Word has length 256 [2019-10-07 12:33:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:10,729 INFO L462 AbstractCegarLoop]: Abstraction has 527 states and 669 transitions. [2019-10-07 12:33:10,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:33:10,729 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 669 transitions. [2019-10-07 12:33:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-07 12:33:10,734 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:10,734 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:33:10,734 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:10,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:10,735 INFO L82 PathProgramCache]: Analyzing trace with hash -467366676, now seen corresponding path program 1 times [2019-10-07 12:33:10,735 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:10,735 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:10,735 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:10,736 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2019-10-07 12:33:11,080 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:11,080 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:11,081 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 12:33:11,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 12:33:11,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 12:33:11,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 12:33:11,082 INFO L87 Difference]: Start difference. First operand 527 states and 669 transitions. Second operand 3 states. [2019-10-07 12:33:11,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:11,122 INFO L93 Difference]: Finished difference Result 1035 states and 1327 transitions. [2019-10-07 12:33:11,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 12:33:11,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-07 12:33:11,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:11,127 INFO L225 Difference]: With dead ends: 1035 [2019-10-07 12:33:11,127 INFO L226 Difference]: Without dead ends: 533 [2019-10-07 12:33:11,130 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 12:33:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-10-07 12:33:11,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2019-10-07 12:33:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-07 12:33:11,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 675 transitions. [2019-10-07 12:33:11,160 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 675 transitions. Word has length 253 [2019-10-07 12:33:11,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:11,163 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 675 transitions. [2019-10-07 12:33:11,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 12:33:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 675 transitions. [2019-10-07 12:33:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-10-07 12:33:11,170 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:11,170 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:33:11,171 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:11,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:11,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1235800543, now seen corresponding path program 1 times [2019-10-07 12:33:11,171 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:11,171 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:11,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:11,172 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:11,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-10-07 12:33:11,842 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:11,843 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:11,843 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 12:33:11,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 12:33:11,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 12:33:11,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:33:11,845 INFO L87 Difference]: Start difference. First operand 531 states and 675 transitions. Second operand 8 states. [2019-10-07 12:33:12,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:12,070 INFO L93 Difference]: Finished difference Result 1043 states and 1326 transitions. [2019-10-07 12:33:12,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 12:33:12,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 278 [2019-10-07 12:33:12,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:12,075 INFO L225 Difference]: With dead ends: 1043 [2019-10-07 12:33:12,076 INFO L226 Difference]: Without dead ends: 533 [2019-10-07 12:33:12,078 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 12:33:12,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2019-10-07 12:33:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 531. [2019-10-07 12:33:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2019-10-07 12:33:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 674 transitions. [2019-10-07 12:33:12,100 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 674 transitions. Word has length 278 [2019-10-07 12:33:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:12,101 INFO L462 AbstractCegarLoop]: Abstraction has 531 states and 674 transitions. [2019-10-07 12:33:12,101 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 12:33:12,101 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 674 transitions. [2019-10-07 12:33:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-07 12:33:12,107 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:12,107 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 12:33:12,108 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:12,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:12,108 INFO L82 PathProgramCache]: Analyzing trace with hash 191312472, now seen corresponding path program 1 times [2019-10-07 12:33:12,109 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:12,109 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:12,109 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:12,109 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:12,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:12,562 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-10-07 12:33:12,563 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:12,563 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:12,563 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:33:12,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:33:12,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:33:12,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:33:12,566 INFO L87 Difference]: Start difference. First operand 531 states and 674 transitions. Second operand 5 states. [2019-10-07 12:33:12,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:12,639 INFO L93 Difference]: Finished difference Result 1041 states and 1327 transitions. [2019-10-07 12:33:12,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:33:12,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2019-10-07 12:33:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:12,643 INFO L225 Difference]: With dead ends: 1041 [2019-10-07 12:33:12,643 INFO L226 Difference]: Without dead ends: 535 [2019-10-07 12:33:12,646 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:33:12,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-10-07 12:33:12,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2019-10-07 12:33:12,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-10-07 12:33:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2019-10-07 12:33:12,671 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 279 [2019-10-07 12:33:12,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:12,673 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2019-10-07 12:33:12,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:33:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2019-10-07 12:33:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-07 12:33:12,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:12,680 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 12:33:12,681 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:12,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:12,681 INFO L82 PathProgramCache]: Analyzing trace with hash 455737300, now seen corresponding path program 1 times [2019-10-07 12:33:12,682 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:12,682 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:12,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:12,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:13,180 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-10-07 12:33:13,180 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:13,181 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 12:33:13,181 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 12:33:13,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 12:33:13,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 12:33:13,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:33:13,182 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand 5 states. [2019-10-07 12:33:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 12:33:13,240 INFO L93 Difference]: Finished difference Result 1049 states and 1335 transitions. [2019-10-07 12:33:13,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-07 12:33:13,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2019-10-07 12:33:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 12:33:13,244 INFO L225 Difference]: With dead ends: 1049 [2019-10-07 12:33:13,244 INFO L226 Difference]: Without dead ends: 539 [2019-10-07 12:33:13,246 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 12:33:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-07 12:33:13,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 535. [2019-10-07 12:33:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-10-07 12:33:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2019-10-07 12:33:13,268 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 296 [2019-10-07 12:33:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 12:33:13,269 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2019-10-07 12:33:13,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 12:33:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2019-10-07 12:33:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-10-07 12:33:13,275 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 12:33:13,275 INFO L385 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:33:13,275 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 12:33:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 12:33:13,276 INFO L82 PathProgramCache]: Analyzing trace with hash 907487289, now seen corresponding path program 1 times [2019-10-07 12:33:13,276 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 12:33:13,276 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:13,277 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:13,277 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 12:33:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 12:33:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2019-10-07 12:33:13,718 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 12:33:13,718 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 12:33:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 12:33:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 12:33:14,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 3116 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 12:33:14,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 12:33:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-10-07 12:33:15,029 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 12:33:15,460 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2019-10-07 12:33:15,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 12:33:15,514 INFO L162 IcfgInterpreter]: Started Sifa with 199 locations of interest [2019-10-07 12:33:15,514 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 12:33:15,521 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 12:33:15,530 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 12:33:15,535 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 12:35:19,682 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 12:35:25,384 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 131 [2019-10-07 12:35:26,093 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 12:35:26,616 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 12:35:26,999 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 12:35:27,595 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:28,161 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:28,682 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:29,319 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:30,451 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1289 DAG size of output: 1287 [2019-10-07 12:35:30,949 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:31,608 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:32,103 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:32,587 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:33,118 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 1287 [2019-10-07 12:35:33,146 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 334 for LOIs [2019-10-07 12:35:33,559 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 12:35:33,792 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 1146 [2019-10-07 12:35:34,407 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 12:35:34,410 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1309 for LOIs [2019-10-07 12:35:34,888 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 12:35:35,380 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 12:35:36,022 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1357 [2019-10-07 12:41:25,158 WARN L191 SmtUtils]: Spent 38.93 s on a formula simplification that was a NOOP. DAG size: 3171 [2019-10-07 12:41:29,419 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 3861 [2019-10-07 12:41:58,844 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2019-10-07 12:42:02,996 WARN L191 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 3894 DAG size of output: 3886 [2019-10-07 12:42:22,572 WARN L191 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 3879 [2019-10-07 12:42:47,151 WARN L191 SmtUtils]: Spent 4.08 s on a formula simplification that was a NOOP. DAG size: 3872 [2019-10-07 12:43:13,008 WARN L191 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 3873 DAG size of output: 3870