java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 18:09:40,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 18:09:40,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 18:09:40,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 18:09:40,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 18:09:40,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 18:09:40,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 18:09:40,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 18:09:40,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 18:09:40,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 18:09:40,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 18:09:40,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 18:09:40,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 18:09:40,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 18:09:40,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 18:09:40,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 18:09:40,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 18:09:40,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 18:09:40,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 18:09:40,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 18:09:40,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 18:09:40,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 18:09:40,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 18:09:40,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 18:09:40,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 18:09:40,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 18:09:40,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 18:09:40,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 18:09:40,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 18:09:40,898 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 18:09:40,898 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 18:09:40,899 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 18:09:40,900 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 18:09:40,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 18:09:40,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 18:09:40,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 18:09:40,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 18:09:40,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 18:09:40,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 18:09:40,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 18:09:40,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 18:09:40,910 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 [2019-09-08 18:09:40,933 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 18:09:40,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 18:09:40,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 18:09:40,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 18:09:40,936 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 18:09:40,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 18:09:40,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 18:09:40,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 18:09:40,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 18:09:40,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 18:09:40,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 18:09:40,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 18:09:40,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 18:09:40,939 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 18:09:40,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 18:09:40,939 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 18:09:40,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 18:09:40,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 18:09:40,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 18:09:40,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 18:09:40,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 18:09:40,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 18:09:40,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 18:09:40,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 18:09:40,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 18:09:40,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 18:09:40,942 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 18:09:40,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 18:09:40,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 18:09:40,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 18:09:41,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 18:09:41,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 18:09:41,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 18:09:41,011 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 18:09:41,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-09-08 18:09:41,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3347c406/7a5e7aacb69e4757a50211a41153620a/FLAG93daaec89 [2019-09-08 18:09:41,896 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 18:09:41,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-09-08 18:09:41,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3347c406/7a5e7aacb69e4757a50211a41153620a/FLAG93daaec89 [2019-09-08 18:09:42,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3347c406/7a5e7aacb69e4757a50211a41153620a [2019-09-08 18:09:42,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 18:09:42,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 18:09:42,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 18:09:42,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 18:09:42,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 18:09:42,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:42" (1/1) ... [2019-09-08 18:09:42,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b792941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:42, skipping insertion in model container [2019-09-08 18:09:42,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:09:42" (1/1) ... [2019-09-08 18:09:42,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 18:09:42,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 18:09:45,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:09:45,279 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 18:09:45,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:09:46,410 INFO L192 MainTranslator]: Completed translation [2019-09-08 18:09:46,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46 WrapperNode [2019-09-08 18:09:46,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 18:09:46,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 18:09:46,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 18:09:46,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 18:09:46,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (1/1) ... [2019-09-08 18:09:46,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 18:09:46,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 18:09:46,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 18:09:46,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 18:09:46,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (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 [2019-09-08 18:09:47,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 18:09:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 18:09:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-09-08 18:09:47,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-09-08 18:09:47,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-08 18:09:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2019-09-08 18:09:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-09-08 18:09:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:09:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2019-09-08 18:09:47,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2019-09-08 18:09:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2019-09-08 18:09:47,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2019-09-08 18:09:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2019-09-08 18:09:47,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-09-08 18:09:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2019-09-08 18:09:47,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-09-08 18:09:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2019-09-08 18:09:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2019-09-08 18:09:47,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_zero [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-08 18:09:47,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 18:09:47,027 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 18:09:47,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dmaengine_prep_rio_sg [2019-09-08 18:09:47,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_set [2019-09-08 18:09:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_cap_zero [2019-09-08 18:09:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_read_config_32 [2019-09-08 18:09:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_write_config_32 [2019-09-08 18:09:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_32 [2019-09-08 18:09:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_32 [2019-09-08 18:09:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mbox_res [2019-09-08 18:09:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_dbell_res [2019-09-08 18:09:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_name [2019-09-08 18:09:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_local_get_device_id [2019-09-08 18:09:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_add_device [2019-09-08 18:09:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_mbox [2019-09-08 18:09:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_mbox [2019-09-08 18:09:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_mbox [2019-09-08 18:09:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_mbox [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_setup_inb_dbell [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_dbell [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_dbell [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_outb_dbell [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_outb_dbell [2019-09-08 18:09:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_inb_pwrite [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_inb_pwrite [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_map_inb_region [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unmap_inb_region [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_physefb [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_comptag [2019-09-08 18:09:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_set_port_lockout [2019-09-08 18:09:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_enable_rx_tx_port [2019-09-08 18:09:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_route [2019-09-08 18:09:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_chk_dev_access [2019-09-08 18:09:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chk_dev_access [2019-09-08 18:09:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_input_status [2019-09-08 18:09:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_clr_err_stopped [2019-09-08 18:09:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_inb_pwrite_handler [2019-09-08 18:09:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_efb [2019-09-08 18:09:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_get_feature [2019-09-08 18:09:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_asm [2019-09-08 18:09:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_device [2019-09-08 18:09:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_add_entry [2019-09-08 18:09:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_get_entry [2019-09-08 18:09:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_std_route_clr_table [2019-09-08 18:09:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_lock_device [2019-09-08 18:09:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unlock_device [2019-09-08 18:09:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_add_entry [2019-09-08 18:09:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_get_entry [2019-09-08 18:09:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_route_clr_table [2019-09-08 18:09:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_chan_filter [2019-09-08 18:09:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_mport_dma [2019-09-08 18:09:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_request_dma [2019-09-08 18:09:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_release_dma [2019-09-08 18:09:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_xfer [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dma_prep_slave_sg [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_find_mport [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_scan [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_scan [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_scan [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_fixup_device [2019-09-08 18:09:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure disc_work_handler [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_init_mports [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_get_hdid [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_mport [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-08 18:09:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-08 18:09:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-08 18:09:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-08 18:09:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-08 18:09:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-08 18:09:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-08 18:09:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-08 18:09:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-08 18:09:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-08 18:09:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-08 18:09:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_10 [2019-09-08 18:09:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_11 [2019-09-08 18:09:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_12 [2019-09-08 18:09:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_13 [2019-09-08 18:09:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_14 [2019-09-08 18:09:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_15 [2019-09-08 18:09:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_16 [2019-09-08 18:09:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_17 [2019-09-08 18:09:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_18 [2019-09-08 18:09:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_19 [2019-09-08 18:09:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get_20 [2019-09-08 18:09:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_21 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_22 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_23 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_24 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_8 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_16 [2019-09-08 18:09:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_read_config_32 [2019-09-08 18:09:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_8 [2019-09-08 18:09:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_16 [2019-09-08 18:09:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __rio_local_write_config_32 [2019-09-08 18:09:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_8 [2019-09-08 18:09:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_16 [2019-09-08 18:09:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_read_config_32 [2019-09-08 18:09:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_8 [2019-09-08 18:09:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_16 [2019-09-08 18:09:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_write_config_32 [2019-09-08 18:09:47,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_mport_send_doorbell [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_37 [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_38 [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_39 [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_40 [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_41 [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_device [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_get [2019-09-08 18:09:47,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_dev_put [2019-09-08 18:09:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_probe [2019-09-08 18:09:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_device_remove [2019-09-08 18:09:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_register_driver [2019-09-08 18:09:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_unregister_driver [2019-09-08 18:09:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_attach_device [2019-09-08 18:09:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_match_bus [2019-09-08 18:09:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_uevent [2019-09-08 18:09:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_bus_init [2019-09-08 18:09:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_19 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bus_type_18 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_51 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_52 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_53 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_54 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_55 [2019-09-08 18:09:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtol [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_16 [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_16 [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config_8 [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config_8 [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure did_show [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vid_show [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure device_rev_show [2019-09-08 18:09:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_did_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_vid_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure asm_rev_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure destid_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure hopcount_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure routes_show [2019-09-08 18:09:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lprev_show [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure lnext_show [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure modalias_show [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_read_config [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_write_config [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_create_sysfs_dev_files [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rio_remove_sysfs_dev_files [2019-09-08 18:09:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_scan_store [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure port_destid_show [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure sys_size_show [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_bin_attribute_5 [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_11 [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_7 [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_17 [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_2 [2019-09-08 18:09:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_16 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_13 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_6 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_9 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_12 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_14 [2019-09-08 18:09:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_15 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_8 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_10 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_5 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_65 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_66 [2019-09-08 18:09:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_67 [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_68 [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_69 [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 18:09:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-08 18:09:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_register [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __dma_request_channel [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 18:09:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure add_uevent_var [2019-09-08 18:09:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2019-09-08 18:09:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_bin_file [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure device_register [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_bin_file [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_release_channel [2019-09-08 18:09:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoll [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_exit [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_5 [2019-09-08 18:09:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-09-08 18:09:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 18:09:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 18:09:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 18:09:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 18:09:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 18:09:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-09-08 18:09:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 18:09:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 18:09:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resource [2019-09-08 18:09:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure request_resource [2019-09-08 18:09:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 18:09:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 18:09:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 18:09:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 18:09:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 18:09:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 18:09:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 18:09:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 18:09:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 18:09:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-09-08 18:09:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 18:09:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 18:09:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 18:09:47,098 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_zero [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 18:09:47,099 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 18:09:47,100 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_22 [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_24 [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-08 18:09:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_23 [2019-09-08 18:09:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure request_resource [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure release_resource [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_10 [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_12 [2019-09-08 18:09:47,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_14 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_16 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_18 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get_20 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_11 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_13 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_15 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_17 [2019-09-08 18:09:47,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_19 [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_21 [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 18:09:47,105 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 18:09:47,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 18:09:47,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-08 18:09:47,108 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure device_register [2019-09-08 18:09:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure dmaengine_prep_rio_sg [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~$Pointer$ [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_set [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_cap_zero [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure __dma_request_channel [2019-09-08 18:09:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_release_channel [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_mport [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_read_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_write_config_32 [2019-09-08 18:09:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_32 [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_32 [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mbox_res [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_dbell_res [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_mbox [2019-09-08 18:09:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_mbox [2019-09-08 18:09:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_mbox [2019-09-08 18:09:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_mbox [2019-09-08 18:09:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_dbell [2019-09-08 18:09:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_dbell [2019-09-08 18:09:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_outb_dbell [2019-09-08 18:09:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_outb_dbell [2019-09-08 18:09:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure rio_map_inb_region [2019-09-08 18:09:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unmap_inb_region [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_inb_pwrite [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_inb_pwrite [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_inb_pwrite_handler [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_get [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dev_put [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_dma [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_request_mport_dma [2019-09-08 18:09:47,115 INFO L130 BoogieDeclarations]: Found specification of procedure rio_release_dma [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_slave_sg [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_dma_prep_xfer [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_name [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_local_get_device_id [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_device [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_asm [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init_mports [2019-09-08 18:09:47,116 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_feature [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_physefb [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_get_efb [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_chk_dev_access [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_create_sysfs_dev_files [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_lock_device [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unlock_device [2019-09-08 18:09:47,117 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_add_entry [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_get_entry [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_route_clr_table [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_set_port_lockout [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_comptag [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_add_device [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_enable_rx_tx_port [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_scan [2019-09-08 18:09:47,118 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_scan [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_find_mport [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_scan [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure rio_setup_inb_dbell [2019-09-08 18:09:47,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~~u64~0~X~~u32~0~X~~u32~0~TO~int [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~TO~VOID [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_route [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chk_dev_access [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_input_status [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_clr_err_stopped [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_add_entry [2019-09-08 18:09:47,120 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_get_entry [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rio_std_route_clr_table [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~~u8~0~TO~int [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~TO~int [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u8~0~X~~u16~0~TO~int [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rio_chan_filter [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rio_fixup_device [2019-09-08 18:09:47,121 INFO L130 BoogieDeclarations]: Found specification of procedure rio_init [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure disc_work_handler [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure rio_get_hdid [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_37 [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_39 [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_38 [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_41 [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_40 [2019-09-08 18:09:47,122 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_8 [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_read_config_16 [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_8 [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u32~0~X~int~X~~u32~0~TO~int [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure __rio_local_write_config_16 [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_8 [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~$Pointer$~TO~int [2019-09-08 18:09:47,123 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_read_config_16 [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_8 [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u8~0~X~~u32~0~X~int~X~~u32~0~TO~int [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_write_config_16 [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure rio_mport_send_doorbell [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~~u16~0~X~~u16~0~TO~int [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_51 [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_53 [2019-09-08 18:09:47,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_52 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_55 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_54 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure add_uevent_var [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bin_attribute_5 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_19 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_bus_type_18 [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2019-09-08 18:09:47,125 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure __class_register [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_attach_device [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_device [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_probe [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:09:47,126 INFO L130 BoogieDeclarations]: Found specification of procedure rio_device_remove [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_register_driver [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_unregister_driver [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_match_bus [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_uevent [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure rio_bus_init [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 18:09:47,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_exit [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_11 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_7 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_17 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_2 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_16 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_13 [2019-09-08 18:09:47,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_6 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_9 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_12 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_14 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_15 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_8 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2019-09-08 18:09:47,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_10 [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_5 [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoll [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtol [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_65 [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_67 [2019-09-08 18:09:47,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_66 [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_69 [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_68 [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_bin_file [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_bin_file [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_16 [2019-09-08 18:09:47,131 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_16 [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config_8 [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config_8 [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure did_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure vid_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure device_rev_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure asm_did_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure asm_vid_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure asm_rev_show [2019-09-08 18:09:47,132 INFO L130 BoogieDeclarations]: Found specification of procedure destid_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure hopcount_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure routes_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure lprev_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure lnext_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure modalias_show [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure rio_read_config [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure rio_write_config [2019-09-08 18:09:47,133 INFO L130 BoogieDeclarations]: Found specification of procedure rio_remove_sysfs_dev_files [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure bus_scan_store [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure port_destid_show [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure sys_size_show [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_5 [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 18:09:47,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 18:09:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 18:09:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 18:09:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 18:09:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 18:09:48,642 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 18:10:07,221 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-09-08 18:10:08,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 18:10:08,551 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-08 18:10:08,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:08 BoogieIcfgContainer [2019-09-08 18:10:08,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 18:10:08,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 18:10:08,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 18:10:08,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 18:10:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:09:42" (1/3) ... [2019-09-08 18:10:08,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c05bd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:08, skipping insertion in model container [2019-09-08 18:10:08,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:09:46" (2/3) ... [2019-09-08 18:10:08,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c05bd7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:08, skipping insertion in model container [2019-09-08 18:10:08,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:08" (3/3) ... [2019-09-08 18:10:08,567 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--rapidio--rapidio.ko-entry_point.cil.out.i [2019-09-08 18:10:08,577 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 18:10:08,592 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 18:10:08,609 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 18:10:08,654 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 18:10:08,655 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 18:10:08,655 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 18:10:08,655 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 18:10:08,655 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 18:10:08,655 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 18:10:08,655 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 18:10:08,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 18:10:08,656 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 18:10:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states. [2019-09-08 18:10:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-09-08 18:10:08,731 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:08,732 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:08,734 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:08,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:08,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1839843523, now seen corresponding path program 1 times [2019-09-08 18:10:08,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:08,742 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:08,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:08,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:08,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-08 18:10:10,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:10,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:10,235 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:10,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:10,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:10,252 INFO L87 Difference]: Start difference. First operand 2194 states. Second operand 3 states. [2019-09-08 18:10:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:14,611 INFO L93 Difference]: Finished difference Result 3634 states and 4809 transitions. [2019-09-08 18:10:14,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:14,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2019-09-08 18:10:14,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:14,667 INFO L225 Difference]: With dead ends: 3634 [2019-09-08 18:10:14,667 INFO L226 Difference]: Without dead ends: 2360 [2019-09-08 18:10:14,682 INFO L628 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 [2019-09-08 18:10:14,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2019-09-08 18:10:14,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2357. [2019-09-08 18:10:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2357 states. [2019-09-08 18:10:14,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2357 states and 3050 transitions. [2019-09-08 18:10:14,954 INFO L78 Accepts]: Start accepts. Automaton has 2357 states and 3050 transitions. Word has length 74 [2019-09-08 18:10:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:14,955 INFO L475 AbstractCegarLoop]: Abstraction has 2357 states and 3050 transitions. [2019-09-08 18:10:14,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 3050 transitions. [2019-09-08 18:10:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-08 18:10:14,973 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:14,973 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:14,974 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 412461377, now seen corresponding path program 1 times [2019-09-08 18:10:14,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:14,974 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:14,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:14,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:14,985 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-08 18:10:15,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:15,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:15,760 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:15,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:15,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:15,762 INFO L87 Difference]: Start difference. First operand 2357 states and 3050 transitions. Second operand 3 states. [2019-09-08 18:10:15,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:15,945 INFO L93 Difference]: Finished difference Result 7022 states and 9205 transitions. [2019-09-08 18:10:15,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:15,946 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2019-09-08 18:10:15,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:15,975 INFO L225 Difference]: With dead ends: 7022 [2019-09-08 18:10:15,975 INFO L226 Difference]: Without dead ends: 4682 [2019-09-08 18:10:15,986 INFO L628 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 [2019-09-08 18:10:15,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4682 states. [2019-09-08 18:10:16,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4682 to 4678. [2019-09-08 18:10:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4678 states. [2019-09-08 18:10:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 6112 transitions. [2019-09-08 18:10:16,182 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 6112 transitions. Word has length 85 [2019-09-08 18:10:16,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:16,183 INFO L475 AbstractCegarLoop]: Abstraction has 4678 states and 6112 transitions. [2019-09-08 18:10:16,183 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 6112 transitions. [2019-09-08 18:10:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-09-08 18:10:16,188 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:16,189 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:16,189 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:16,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:16,190 INFO L82 PathProgramCache]: Analyzing trace with hash -138454634, now seen corresponding path program 1 times [2019-09-08 18:10:16,190 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:16,190 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:16,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:16,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:16,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-08 18:10:16,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:16,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:16,808 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:16,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:16,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:16,809 INFO L87 Difference]: Start difference. First operand 4678 states and 6112 transitions. Second operand 3 states. [2019-09-08 18:10:19,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:19,026 INFO L93 Difference]: Finished difference Result 13872 states and 18093 transitions. [2019-09-08 18:10:19,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:19,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2019-09-08 18:10:19,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:19,097 INFO L225 Difference]: With dead ends: 13872 [2019-09-08 18:10:19,097 INFO L226 Difference]: Without dead ends: 9217 [2019-09-08 18:10:19,117 INFO L628 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 [2019-09-08 18:10:19,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9217 states. [2019-09-08 18:10:19,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9217 to 9204. [2019-09-08 18:10:19,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9204 states. [2019-09-08 18:10:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9204 states to 9204 states and 11992 transitions. [2019-09-08 18:10:19,544 INFO L78 Accepts]: Start accepts. Automaton has 9204 states and 11992 transitions. Word has length 112 [2019-09-08 18:10:19,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:19,546 INFO L475 AbstractCegarLoop]: Abstraction has 9204 states and 11992 transitions. [2019-09-08 18:10:19,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 9204 states and 11992 transitions. [2019-09-08 18:10:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-09-08 18:10:19,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:19,552 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:19,552 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:19,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:19,553 INFO L82 PathProgramCache]: Analyzing trace with hash -542839678, now seen corresponding path program 1 times [2019-09-08 18:10:19,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:19,553 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:19,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:19,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:19,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-09-08 18:10:20,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:20,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:20,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:20,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:20,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:20,219 INFO L87 Difference]: Start difference. First operand 9204 states and 11992 transitions. Second operand 3 states. [2019-09-08 18:10:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:22,863 INFO L93 Difference]: Finished difference Result 26832 states and 34889 transitions. [2019-09-08 18:10:22,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:22,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-09-08 18:10:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:22,963 INFO L225 Difference]: With dead ends: 26832 [2019-09-08 18:10:22,964 INFO L226 Difference]: Without dead ends: 17651 [2019-09-08 18:10:23,001 INFO L628 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 [2019-09-08 18:10:23,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17651 states. [2019-09-08 18:10:23,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17651 to 17636. [2019-09-08 18:10:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17636 states. [2019-09-08 18:10:23,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17636 states to 17636 states and 22902 transitions. [2019-09-08 18:10:23,787 INFO L78 Accepts]: Start accepts. Automaton has 17636 states and 22902 transitions. Word has length 124 [2019-09-08 18:10:23,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:23,788 INFO L475 AbstractCegarLoop]: Abstraction has 17636 states and 22902 transitions. [2019-09-08 18:10:23,788 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:23,788 INFO L276 IsEmpty]: Start isEmpty. Operand 17636 states and 22902 transitions. [2019-09-08 18:10:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-08 18:10:23,794 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:23,794 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:23,795 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash 112741741, now seen corresponding path program 1 times [2019-09-08 18:10:23,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:23,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:23,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:23,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:23,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-08 18:10:25,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:25,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:25,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:25,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:25,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:25,852 INFO L87 Difference]: Start difference. First operand 17636 states and 22902 transitions. Second operand 3 states. [2019-09-08 18:10:29,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:29,157 INFO L93 Difference]: Finished difference Result 47642 states and 61803 transitions. [2019-09-08 18:10:29,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:29,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-08 18:10:29,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:29,321 INFO L225 Difference]: With dead ends: 47642 [2019-09-08 18:10:29,322 INFO L226 Difference]: Without dead ends: 30029 [2019-09-08 18:10:29,393 INFO L628 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 [2019-09-08 18:10:29,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30029 states. [2019-09-08 18:10:30,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30029 to 30016. [2019-09-08 18:10:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30016 states. [2019-09-08 18:10:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30016 states to 30016 states and 38900 transitions. [2019-09-08 18:10:30,503 INFO L78 Accepts]: Start accepts. Automaton has 30016 states and 38900 transitions. Word has length 160 [2019-09-08 18:10:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:30,504 INFO L475 AbstractCegarLoop]: Abstraction has 30016 states and 38900 transitions. [2019-09-08 18:10:30,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 30016 states and 38900 transitions. [2019-09-08 18:10:30,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-08 18:10:30,519 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:30,520 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-09-08 18:10:30,520 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:30,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:30,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1940835151, now seen corresponding path program 1 times [2019-09-08 18:10:30,520 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:30,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:30,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:30,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:30,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-09-08 18:10:31,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:31,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 18:10:31,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:10:31,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:10:31,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:10:31,421 INFO L87 Difference]: Start difference. First operand 30016 states and 38900 transitions. Second operand 6 states. [2019-09-08 18:10:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:36,461 INFO L93 Difference]: Finished difference Result 45971 states and 59552 transitions. [2019-09-08 18:10:36,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 18:10:36,462 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2019-09-08 18:10:36,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:36,535 INFO L225 Difference]: With dead ends: 45971 [2019-09-08 18:10:36,536 INFO L226 Difference]: Without dead ends: 15898 [2019-09-08 18:10:36,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:10:36,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15898 states. [2019-09-08 18:10:37,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15898 to 15872. [2019-09-08 18:10:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15872 states. [2019-09-08 18:10:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15872 states to 15872 states and 20526 transitions. [2019-09-08 18:10:37,157 INFO L78 Accepts]: Start accepts. Automaton has 15872 states and 20526 transitions. Word has length 193 [2019-09-08 18:10:37,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:37,158 INFO L475 AbstractCegarLoop]: Abstraction has 15872 states and 20526 transitions. [2019-09-08 18:10:37,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:10:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 15872 states and 20526 transitions. [2019-09-08 18:10:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-08 18:10:37,176 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:37,176 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-09-08 18:10:37,176 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:37,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash -928080598, now seen corresponding path program 1 times [2019-09-08 18:10:37,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:37,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:37,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:37,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:37,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-09-08 18:10:37,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:37,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:37,827 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:37,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:37,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:37,828 INFO L87 Difference]: Start difference. First operand 15872 states and 20526 transitions. Second operand 3 states. [2019-09-08 18:10:42,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:42,793 INFO L93 Difference]: Finished difference Result 38604 states and 49959 transitions. [2019-09-08 18:10:42,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:42,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-09-08 18:10:42,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:42,883 INFO L225 Difference]: With dead ends: 38604 [2019-09-08 18:10:42,883 INFO L226 Difference]: Without dead ends: 23330 [2019-09-08 18:10:42,919 INFO L628 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 [2019-09-08 18:10:42,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23330 states. [2019-09-08 18:10:43,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23330 to 23314. [2019-09-08 18:10:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23314 states. [2019-09-08 18:10:43,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23314 states to 23314 states and 30137 transitions. [2019-09-08 18:10:43,632 INFO L78 Accepts]: Start accepts. Automaton has 23314 states and 30137 transitions. Word has length 199 [2019-09-08 18:10:43,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:43,633 INFO L475 AbstractCegarLoop]: Abstraction has 23314 states and 30137 transitions. [2019-09-08 18:10:43,633 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 23314 states and 30137 transitions. [2019-09-08 18:10:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-09-08 18:10:43,652 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:43,653 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 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] [2019-09-08 18:10:43,653 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:43,654 INFO L82 PathProgramCache]: Analyzing trace with hash -259558890, now seen corresponding path program 1 times [2019-09-08 18:10:43,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:43,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:43,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-09-08 18:10:44,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:44,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:44,339 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:44,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:44,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:44,340 INFO L87 Difference]: Start difference. First operand 23314 states and 30137 transitions. Second operand 3 states. [2019-09-08 18:10:49,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:49,260 INFO L93 Difference]: Finished difference Result 56922 states and 73648 transitions. [2019-09-08 18:10:49,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:10:49,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-09-08 18:10:49,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:49,397 INFO L225 Difference]: With dead ends: 56922 [2019-09-08 18:10:49,397 INFO L226 Difference]: Without dead ends: 34206 [2019-09-08 18:10:49,445 INFO L628 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 [2019-09-08 18:10:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34206 states. [2019-09-08 18:10:50,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34206 to 34180. [2019-09-08 18:10:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34180 states. [2019-09-08 18:10:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34180 states to 34180 states and 44177 transitions. [2019-09-08 18:10:50,427 INFO L78 Accepts]: Start accepts. Automaton has 34180 states and 44177 transitions. Word has length 211 [2019-09-08 18:10:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:50,427 INFO L475 AbstractCegarLoop]: Abstraction has 34180 states and 44177 transitions. [2019-09-08 18:10:50,427 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:10:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 34180 states and 44177 transitions. [2019-09-08 18:10:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-09-08 18:10:50,448 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:50,448 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:10:50,449 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:50,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:50,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1584197878, now seen corresponding path program 1 times [2019-09-08 18:10:50,449 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:50,449 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:50,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:50,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:50,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:10:51,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:51,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 18:10:51,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:10:51,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:10:51,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:10:51,377 INFO L87 Difference]: Start difference. First operand 34180 states and 44177 transitions. Second operand 6 states. [2019-09-08 18:10:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:10:56,970 INFO L93 Difference]: Finished difference Result 79476 states and 102749 transitions. [2019-09-08 18:10:56,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 18:10:56,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-09-08 18:10:56,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:10:57,170 INFO L225 Difference]: With dead ends: 79476 [2019-09-08 18:10:57,171 INFO L226 Difference]: Without dead ends: 45894 [2019-09-08 18:10:57,256 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:10:57,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45894 states. [2019-09-08 18:10:58,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45894 to 34272. [2019-09-08 18:10:58,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34272 states. [2019-09-08 18:10:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34272 states to 34272 states and 44285 transitions. [2019-09-08 18:10:58,463 INFO L78 Accepts]: Start accepts. Automaton has 34272 states and 44285 transitions. Word has length 218 [2019-09-08 18:10:58,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:10:58,464 INFO L475 AbstractCegarLoop]: Abstraction has 34272 states and 44285 transitions. [2019-09-08 18:10:58,465 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:10:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 34272 states and 44285 transitions. [2019-09-08 18:10:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-09-08 18:10:58,485 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:10:58,485 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-09-08 18:10:58,486 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:10:58,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:10:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1552062721, now seen corresponding path program 1 times [2019-09-08 18:10:58,486 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:10:58,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:10:58,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:58,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:10:58,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:10:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:10:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:10:59,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:10:59,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:10:59,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:10:59,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:10:59,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:10:59,893 INFO L87 Difference]: Start difference. First operand 34272 states and 44285 transitions. Second operand 3 states. [2019-09-08 18:11:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:00,469 INFO L93 Difference]: Finished difference Result 63588 states and 82161 transitions. [2019-09-08 18:11:00,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:11:00,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 247 [2019-09-08 18:11:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:00,578 INFO L225 Difference]: With dead ends: 63588 [2019-09-08 18:11:00,578 INFO L226 Difference]: Without dead ends: 29914 [2019-09-08 18:11:00,663 INFO L628 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 [2019-09-08 18:11:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29914 states. [2019-09-08 18:11:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29914 to 29914. [2019-09-08 18:11:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29914 states. [2019-09-08 18:11:03,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29914 states to 29914 states and 38552 transitions. [2019-09-08 18:11:03,518 INFO L78 Accepts]: Start accepts. Automaton has 29914 states and 38552 transitions. Word has length 247 [2019-09-08 18:11:03,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:03,519 INFO L475 AbstractCegarLoop]: Abstraction has 29914 states and 38552 transitions. [2019-09-08 18:11:03,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:11:03,520 INFO L276 IsEmpty]: Start isEmpty. Operand 29914 states and 38552 transitions. [2019-09-08 18:11:03,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-09-08 18:11:03,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:03,542 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:11:03,542 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:03,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:03,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1985241600, now seen corresponding path program 1 times [2019-09-08 18:11:03,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:03,543 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:03,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:03,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:03,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-09-08 18:11:04,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:11:04,342 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 18:11:04,344 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:11:04,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:11:04,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:11:04,346 INFO L87 Difference]: Start difference. First operand 29914 states and 38552 transitions. Second operand 6 states. [2019-09-08 18:11:09,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:09,284 INFO L93 Difference]: Finished difference Result 69542 states and 89544 transitions. [2019-09-08 18:11:09,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 18:11:09,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2019-09-08 18:11:09,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:09,409 INFO L225 Difference]: With dead ends: 69542 [2019-09-08 18:11:09,409 INFO L226 Difference]: Without dead ends: 40226 [2019-09-08 18:11:09,463 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:11:09,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40226 states. [2019-09-08 18:11:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40226 to 29970. [2019-09-08 18:11:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29970 states. [2019-09-08 18:11:10,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29970 states to 29970 states and 38616 transitions. [2019-09-08 18:11:10,532 INFO L78 Accepts]: Start accepts. Automaton has 29970 states and 38616 transitions. Word has length 242 [2019-09-08 18:11:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:10,533 INFO L475 AbstractCegarLoop]: Abstraction has 29970 states and 38616 transitions. [2019-09-08 18:11:10,533 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:11:10,533 INFO L276 IsEmpty]: Start isEmpty. Operand 29970 states and 38616 transitions. [2019-09-08 18:11:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 18:11:10,552 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:10,553 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:11:10,553 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:10,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:10,553 INFO L82 PathProgramCache]: Analyzing trace with hash 747541322, now seen corresponding path program 1 times [2019-09-08 18:11:10,553 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:10,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:10,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:10,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:10,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:11:11,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:11:11,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:11:11,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:11:11,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:11:11,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:11:11,146 INFO L87 Difference]: Start difference. First operand 29970 states and 38616 transitions. Second operand 3 states. [2019-09-08 18:11:11,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:11,622 INFO L93 Difference]: Finished difference Result 59374 states and 76709 transitions. [2019-09-08 18:11:11,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:11:11,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-09-08 18:11:11,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:11,693 INFO L225 Difference]: With dead ends: 59374 [2019-09-08 18:11:11,693 INFO L226 Difference]: Without dead ends: 30002 [2019-09-08 18:11:11,741 INFO L628 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 [2019-09-08 18:11:11,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30002 states. [2019-09-08 18:11:12,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30002 to 30002. [2019-09-08 18:11:12,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30002 states. [2019-09-08 18:11:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30002 states to 30002 states and 38648 transitions. [2019-09-08 18:11:12,747 INFO L78 Accepts]: Start accepts. Automaton has 30002 states and 38648 transitions. Word has length 249 [2019-09-08 18:11:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:12,747 INFO L475 AbstractCegarLoop]: Abstraction has 30002 states and 38648 transitions. [2019-09-08 18:11:12,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:11:12,747 INFO L276 IsEmpty]: Start isEmpty. Operand 30002 states and 38648 transitions. [2019-09-08 18:11:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 18:11:12,761 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:12,761 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:11:12,762 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:12,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:12,762 INFO L82 PathProgramCache]: Analyzing trace with hash -23192244, now seen corresponding path program 1 times [2019-09-08 18:11:12,762 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:12,762 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:12,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:12,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:12,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:13,569 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:11:13,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:11:13,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:11:13,571 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:11:13,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:11:13,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:11:13,571 INFO L87 Difference]: Start difference. First operand 30002 states and 38648 transitions. Second operand 5 states. [2019-09-08 18:11:14,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:14,223 INFO L93 Difference]: Finished difference Result 59650 states and 76873 transitions. [2019-09-08 18:11:14,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:11:14,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 249 [2019-09-08 18:11:14,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:14,308 INFO L225 Difference]: With dead ends: 59650 [2019-09-08 18:11:14,308 INFO L226 Difference]: Without dead ends: 30246 [2019-09-08 18:11:14,351 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:11:14,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30246 states. [2019-09-08 18:11:14,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30246 to 30122. [2019-09-08 18:11:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30122 states. [2019-09-08 18:11:14,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30122 states to 30122 states and 38808 transitions. [2019-09-08 18:11:14,969 INFO L78 Accepts]: Start accepts. Automaton has 30122 states and 38808 transitions. Word has length 249 [2019-09-08 18:11:14,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:14,970 INFO L475 AbstractCegarLoop]: Abstraction has 30122 states and 38808 transitions. [2019-09-08 18:11:14,970 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:11:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 30122 states and 38808 transitions. [2019-09-08 18:11:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-09-08 18:11:14,982 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:14,982 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-09-08 18:11:14,982 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1968490614, now seen corresponding path program 1 times [2019-09-08 18:11:14,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:14,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:14,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:14,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:14,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:11:16,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:11:16,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 18:11:16,299 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:11:16,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:11:16,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:11:16,300 INFO L87 Difference]: Start difference. First operand 30122 states and 38808 transitions. Second operand 6 states. [2019-09-08 18:11:16,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:16,971 INFO L93 Difference]: Finished difference Result 60443 states and 78041 transitions. [2019-09-08 18:11:16,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 18:11:16,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 257 [2019-09-08 18:11:16,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:17,054 INFO L225 Difference]: With dead ends: 60443 [2019-09-08 18:11:17,054 INFO L226 Difference]: Without dead ends: 30159 [2019-09-08 18:11:17,100 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:11:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30159 states. [2019-09-08 18:11:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30159 to 30159. [2019-09-08 18:11:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30159 states. [2019-09-08 18:11:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30159 states to 30159 states and 38845 transitions. [2019-09-08 18:11:17,735 INFO L78 Accepts]: Start accepts. Automaton has 30159 states and 38845 transitions. Word has length 257 [2019-09-08 18:11:17,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:17,736 INFO L475 AbstractCegarLoop]: Abstraction has 30159 states and 38845 transitions. [2019-09-08 18:11:17,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:11:17,736 INFO L276 IsEmpty]: Start isEmpty. Operand 30159 states and 38845 transitions. [2019-09-08 18:11:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-09-08 18:11:17,744 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:17,744 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-09-08 18:11:17,744 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:17,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:17,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1575823861, now seen corresponding path program 1 times [2019-09-08 18:11:17,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:17,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:17,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:17,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:17,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:19,234 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:11:19,234 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:11:19,234 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:11:19,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:11:34,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:11:34,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 18:11:34,100 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:11:34,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:11:34,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:11:34,100 INFO L87 Difference]: Start difference. First operand 30159 states and 38845 transitions. Second operand 7 states. [2019-09-08 18:11:34,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:11:34,727 INFO L93 Difference]: Finished difference Result 60517 states and 78115 transitions. [2019-09-08 18:11:34,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:11:34,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 258 [2019-09-08 18:11:34,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:11:34,835 INFO L225 Difference]: With dead ends: 60517 [2019-09-08 18:11:34,835 INFO L226 Difference]: Without dead ends: 30196 [2019-09-08 18:11:34,895 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-09-08 18:11:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30196 states. [2019-09-08 18:11:35,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30196 to 30196. [2019-09-08 18:11:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30196 states. [2019-09-08 18:11:35,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 38882 transitions. [2019-09-08 18:11:35,558 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 38882 transitions. Word has length 258 [2019-09-08 18:11:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:11:35,559 INFO L475 AbstractCegarLoop]: Abstraction has 30196 states and 38882 transitions. [2019-09-08 18:11:35,559 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:11:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 38882 transitions. [2019-09-08 18:11:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-09-08 18:11:35,570 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:11:35,570 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:11:35,571 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:11:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:11:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash -219577110, now seen corresponding path program 2 times [2019-09-08 18:11:35,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:11:35,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:11:35,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:35,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:11:35,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:11:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:11:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:11:37,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:11:37,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:11:37,061 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 18:12:03,366 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 18:12:03,366 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:12:04,043 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:12:04,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 18:12:04,043 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 18:12:04,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 18:12:04,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:12:04,044 INFO L87 Difference]: Start difference. First operand 30196 states and 38882 transitions. Second operand 8 states. [2019-09-08 18:12:04,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:12:04,652 INFO L93 Difference]: Finished difference Result 60591 states and 78189 transitions. [2019-09-08 18:12:04,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:12:04,653 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 259 [2019-09-08 18:12:04,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:12:04,725 INFO L225 Difference]: With dead ends: 60591 [2019-09-08 18:12:04,725 INFO L226 Difference]: Without dead ends: 30233 [2019-09-08 18:12:04,774 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:12:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30233 states. [2019-09-08 18:12:05,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30233 to 30233. [2019-09-08 18:12:05,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30233 states. [2019-09-08 18:12:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30233 states to 30233 states and 38919 transitions. [2019-09-08 18:12:05,885 INFO L78 Accepts]: Start accepts. Automaton has 30233 states and 38919 transitions. Word has length 259 [2019-09-08 18:12:05,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:12:05,886 INFO L475 AbstractCegarLoop]: Abstraction has 30233 states and 38919 transitions. [2019-09-08 18:12:05,886 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 18:12:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30233 states and 38919 transitions. [2019-09-08 18:12:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-08 18:12:05,893 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:12:05,894 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 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] [2019-09-08 18:12:05,894 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:12:05,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:12:05,894 INFO L82 PathProgramCache]: Analyzing trace with hash -42432363, now seen corresponding path program 3 times [2019-09-08 18:12:05,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:12:05,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:12:05,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:12:05,898 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:12:05,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:12:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:12:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:12:06,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:12:06,914 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:12:06,947 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 18:14:10,779 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2019-09-08 18:14:10,779 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:14:11,763 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:14:11,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 18:14:11,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 18:14:11,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 18:14:11,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 18:14:11,765 INFO L87 Difference]: Start difference. First operand 30233 states and 38919 transitions. Second operand 9 states. [2019-09-08 18:14:12,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:14:12,300 INFO L93 Difference]: Finished difference Result 60665 states and 78263 transitions. [2019-09-08 18:14:12,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 18:14:12,301 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2019-09-08 18:14:12,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:14:12,379 INFO L225 Difference]: With dead ends: 60665 [2019-09-08 18:14:12,379 INFO L226 Difference]: Without dead ends: 30270 [2019-09-08 18:14:12,426 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:14:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30270 states. [2019-09-08 18:14:12,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30270 to 30270. [2019-09-08 18:14:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30270 states. [2019-09-08 18:14:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30270 states to 30270 states and 38956 transitions. [2019-09-08 18:14:13,499 INFO L78 Accepts]: Start accepts. Automaton has 30270 states and 38956 transitions. Word has length 260 [2019-09-08 18:14:13,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:14:13,499 INFO L475 AbstractCegarLoop]: Abstraction has 30270 states and 38956 transitions. [2019-09-08 18:14:13,500 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 18:14:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 30270 states and 38956 transitions. [2019-09-08 18:14:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-09-08 18:14:13,507 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:14:13,508 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 4, 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] [2019-09-08 18:14:13,508 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:14:13,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:14:13,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1154087498, now seen corresponding path program 4 times [2019-09-08 18:14:13,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:14:13,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:14:13,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:13,513 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:14:13,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:14:14,495 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:14:14,495 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:14:14,495 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:14:14,528 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 18:14:28,775 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 18:14:28,775 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:14:30,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:14:30,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-09-08 18:14:30,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 18:14:30,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 18:14:30,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:14:30,164 INFO L87 Difference]: Start difference. First operand 30270 states and 38956 transitions. Second operand 10 states. [2019-09-08 18:14:30,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:14:30,743 INFO L93 Difference]: Finished difference Result 60739 states and 78337 transitions. [2019-09-08 18:14:30,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 18:14:30,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 261 [2019-09-08 18:14:30,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:14:30,810 INFO L225 Difference]: With dead ends: 60739 [2019-09-08 18:14:30,810 INFO L226 Difference]: Without dead ends: 30307 [2019-09-08 18:14:30,857 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2019-09-08 18:14:30,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30307 states. [2019-09-08 18:14:31,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30307 to 30307. [2019-09-08 18:14:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30307 states. [2019-09-08 18:14:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30307 states to 30307 states and 38993 transitions. [2019-09-08 18:14:31,483 INFO L78 Accepts]: Start accepts. Automaton has 30307 states and 38993 transitions. Word has length 261 [2019-09-08 18:14:31,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:14:31,483 INFO L475 AbstractCegarLoop]: Abstraction has 30307 states and 38993 transitions. [2019-09-08 18:14:31,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 18:14:31,483 INFO L276 IsEmpty]: Start isEmpty. Operand 30307 states and 38993 transitions. [2019-09-08 18:14:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-09-08 18:14:31,492 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:14:31,493 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 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] [2019-09-08 18:14:31,493 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:14:31,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:14:31,493 INFO L82 PathProgramCache]: Analyzing trace with hash -408502475, now seen corresponding path program 5 times [2019-09-08 18:14:31,494 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:14:31,494 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:14:31,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:31,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:14:31,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:14:32,750 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:14:32,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:14:32,751 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:14:32,797 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 18:14:47,313 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2019-09-08 18:14:47,313 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:14:47,830 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:14:47,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-09-08 18:14:47,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 18:14:47,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 18:14:47,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:14:47,832 INFO L87 Difference]: Start difference. First operand 30307 states and 38993 transitions. Second operand 11 states. [2019-09-08 18:14:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:14:48,402 INFO L93 Difference]: Finished difference Result 60813 states and 78411 transitions. [2019-09-08 18:14:48,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 18:14:48,403 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 262 [2019-09-08 18:14:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:14:48,477 INFO L225 Difference]: With dead ends: 60813 [2019-09-08 18:14:48,477 INFO L226 Difference]: Without dead ends: 30344 [2019-09-08 18:14:48,523 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-09-08 18:14:48,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30344 states. [2019-09-08 18:14:49,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30344 to 30344. [2019-09-08 18:14:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30344 states. [2019-09-08 18:14:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30344 states to 30344 states and 39030 transitions. [2019-09-08 18:14:49,151 INFO L78 Accepts]: Start accepts. Automaton has 30344 states and 39030 transitions. Word has length 262 [2019-09-08 18:14:49,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:14:49,152 INFO L475 AbstractCegarLoop]: Abstraction has 30344 states and 39030 transitions. [2019-09-08 18:14:49,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 18:14:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30344 states and 39030 transitions. [2019-09-08 18:14:49,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-09-08 18:14:49,163 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:14:49,163 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 6, 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] [2019-09-08 18:14:49,164 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:14:49,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:14:49,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1604151382, now seen corresponding path program 6 times [2019-09-08 18:14:49,164 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:14:49,164 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:14:49,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:49,169 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:14:49,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:14:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:14:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:14:51,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:14:51,778 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:14:51,807 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-08 18:16:55,169 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2019-09-08 18:16:55,170 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:16:56,244 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:16:56,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2019-09-08 18:16:56,245 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 18:16:56,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 18:16:56,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2019-09-08 18:16:56,245 INFO L87 Difference]: Start difference. First operand 30344 states and 39030 transitions. Second operand 12 states. [2019-09-08 18:16:56,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:16:56,806 INFO L93 Difference]: Finished difference Result 60887 states and 78485 transitions. [2019-09-08 18:16:56,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 18:16:56,806 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 263 [2019-09-08 18:16:56,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:16:56,879 INFO L225 Difference]: With dead ends: 60887 [2019-09-08 18:16:56,880 INFO L226 Difference]: Without dead ends: 30381 [2019-09-08 18:16:56,930 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2019-09-08 18:16:56,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30381 states. [2019-09-08 18:16:57,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30381 to 30381. [2019-09-08 18:16:57,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30381 states. [2019-09-08 18:16:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30381 states to 30381 states and 39067 transitions. [2019-09-08 18:16:57,573 INFO L78 Accepts]: Start accepts. Automaton has 30381 states and 39067 transitions. Word has length 263 [2019-09-08 18:16:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:16:57,573 INFO L475 AbstractCegarLoop]: Abstraction has 30381 states and 39067 transitions. [2019-09-08 18:16:57,573 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 18:16:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 30381 states and 39067 transitions. [2019-09-08 18:16:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-09-08 18:16:57,585 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:16:57,585 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 7, 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] [2019-09-08 18:16:57,586 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:16:57,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:16:57,586 INFO L82 PathProgramCache]: Analyzing trace with hash -14561835, now seen corresponding path program 7 times [2019-09-08 18:16:57,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:16:57,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:16:57,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:16:57,591 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:16:57,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:16:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:16:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-09-08 18:16:58,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:16:58,338 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:16:58,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:17:13,272 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:17:13,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2019-09-08 18:17:13,273 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 18:17:13,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 18:17:13,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-09-08 18:17:13,274 INFO L87 Difference]: Start difference. First operand 30381 states and 39067 transitions. Second operand 13 states. [2019-09-08 18:17:13,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:13,850 INFO L93 Difference]: Finished difference Result 60961 states and 78559 transitions. [2019-09-08 18:17:13,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 18:17:13,858 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 264 [2019-09-08 18:17:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:13,962 INFO L225 Difference]: With dead ends: 60961 [2019-09-08 18:17:13,962 INFO L226 Difference]: Without dead ends: 30418 [2019-09-08 18:17:14,025 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-09-08 18:17:14,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30418 states. [2019-09-08 18:17:14,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30418 to 30418. [2019-09-08 18:17:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30418 states. [2019-09-08 18:17:14,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30418 states to 30418 states and 39104 transitions. [2019-09-08 18:17:14,718 INFO L78 Accepts]: Start accepts. Automaton has 30418 states and 39104 transitions. Word has length 264 [2019-09-08 18:17:14,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:14,719 INFO L475 AbstractCegarLoop]: Abstraction has 30418 states and 39104 transitions. [2019-09-08 18:17:14,719 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 18:17:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 30418 states and 39104 transitions. [2019-09-08 18:17:14,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-09-08 18:17:14,728 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:14,728 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-09-08 18:17:14,729 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:14,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:14,729 INFO L82 PathProgramCache]: Analyzing trace with hash 2018073866, now seen corresponding path program 8 times [2019-09-08 18:17:14,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:14,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:14,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:14,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:14,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:17:15,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:15,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:17:15,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:17:15,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:17:15,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:17:15,982 INFO L87 Difference]: Start difference. First operand 30418 states and 39104 transitions. Second operand 7 states. [2019-09-08 18:17:16,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:16,930 INFO L93 Difference]: Finished difference Result 60456 states and 77791 transitions. [2019-09-08 18:17:16,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:17:16,930 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 265 [2019-09-08 18:17:16,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:17,026 INFO L225 Difference]: With dead ends: 60456 [2019-09-08 18:17:17,026 INFO L226 Difference]: Without dead ends: 30644 [2019-09-08 18:17:17,077 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:17:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30644 states. [2019-09-08 18:17:17,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30644 to 30491. [2019-09-08 18:17:17,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30491 states. [2019-09-08 18:17:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30491 states to 30491 states and 39173 transitions. [2019-09-08 18:17:17,797 INFO L78 Accepts]: Start accepts. Automaton has 30491 states and 39173 transitions. Word has length 265 [2019-09-08 18:17:17,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:17,797 INFO L475 AbstractCegarLoop]: Abstraction has 30491 states and 39173 transitions. [2019-09-08 18:17:17,797 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:17:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 30491 states and 39173 transitions. [2019-09-08 18:17:17,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-09-08 18:17:17,807 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:17,807 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-09-08 18:17:17,807 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:17,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:17,808 INFO L82 PathProgramCache]: Analyzing trace with hash -2058038712, now seen corresponding path program 1 times [2019-09-08 18:17:17,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:17,808 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:17,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:17,812 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:17:17,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-09-08 18:17:18,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:17:18,396 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:17:18,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:23,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 10819 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 18:17:23,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:17:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:17:23,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:17:23,374 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-09-08 18:17:23,375 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:17:23,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:17:23,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:17:23,377 INFO L87 Difference]: Start difference. First operand 30491 states and 39173 transitions. Second operand 5 states. [2019-09-08 18:17:29,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:29,628 INFO L93 Difference]: Finished difference Result 60303 states and 77566 transitions. [2019-09-08 18:17:29,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:17:29,629 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 265 [2019-09-08 18:17:29,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:29,875 INFO L225 Difference]: With dead ends: 60303 [2019-09-08 18:17:29,875 INFO L226 Difference]: Without dead ends: 30418 [2019-09-08 18:17:29,980 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:17:30,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30418 states. [2019-09-08 18:17:32,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30418 to 30346. [2019-09-08 18:17:32,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30346 states. [2019-09-08 18:17:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30346 states to 30346 states and 38978 transitions. [2019-09-08 18:17:32,133 INFO L78 Accepts]: Start accepts. Automaton has 30346 states and 38978 transitions. Word has length 265 [2019-09-08 18:17:32,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:32,134 INFO L475 AbstractCegarLoop]: Abstraction has 30346 states and 38978 transitions. [2019-09-08 18:17:32,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:17:32,135 INFO L276 IsEmpty]: Start isEmpty. Operand 30346 states and 38978 transitions. [2019-09-08 18:17:32,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-09-08 18:17:32,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:32,153 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:17:32,154 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:32,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:32,154 INFO L82 PathProgramCache]: Analyzing trace with hash 1206194692, now seen corresponding path program 1 times [2019-09-08 18:17:32,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:32,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:32,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:32,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:32,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:17:33,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:33,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:17:33,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:17:33,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:17:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:17:33,083 INFO L87 Difference]: Start difference. First operand 30346 states and 38978 transitions. Second operand 3 states. [2019-09-08 18:17:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:33,992 INFO L93 Difference]: Finished difference Result 60118 states and 77425 transitions. [2019-09-08 18:17:33,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:17:33,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-09-08 18:17:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:34,219 INFO L225 Difference]: With dead ends: 60118 [2019-09-08 18:17:34,220 INFO L226 Difference]: Without dead ends: 30378 [2019-09-08 18:17:34,337 INFO L628 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 [2019-09-08 18:17:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30378 states. [2019-09-08 18:17:35,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30378 to 30378. [2019-09-08 18:17:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30378 states. [2019-09-08 18:17:35,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30378 states to 30378 states and 39010 transitions. [2019-09-08 18:17:35,872 INFO L78 Accepts]: Start accepts. Automaton has 30378 states and 39010 transitions. Word has length 258 [2019-09-08 18:17:35,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:35,873 INFO L475 AbstractCegarLoop]: Abstraction has 30378 states and 39010 transitions. [2019-09-08 18:17:35,873 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:17:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 30378 states and 39010 transitions. [2019-09-08 18:17:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-08 18:17:35,892 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:35,893 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:17:35,893 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:35,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:35,894 INFO L82 PathProgramCache]: Analyzing trace with hash -67228129, now seen corresponding path program 1 times [2019-09-08 18:17:35,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:35,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:35,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:35,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:35,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:17:37,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:37,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 18:17:37,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 18:17:37,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 18:17:37,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 18:17:37,512 INFO L87 Difference]: Start difference. First operand 30378 states and 39010 transitions. Second operand 4 states. [2019-09-08 18:17:38,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:38,431 INFO L93 Difference]: Finished difference Result 60598 states and 78137 transitions. [2019-09-08 18:17:38,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:17:38,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-09-08 18:17:38,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:38,636 INFO L225 Difference]: With dead ends: 60598 [2019-09-08 18:17:38,636 INFO L226 Difference]: Without dead ends: 30826 [2019-09-08 18:17:38,723 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:17:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30826 states. [2019-09-08 18:17:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30826 to 30442. [2019-09-08 18:17:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30442 states. [2019-09-08 18:17:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30442 states to 30442 states and 39074 transitions. [2019-09-08 18:17:40,034 INFO L78 Accepts]: Start accepts. Automaton has 30442 states and 39074 transitions. Word has length 260 [2019-09-08 18:17:40,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:40,035 INFO L475 AbstractCegarLoop]: Abstraction has 30442 states and 39074 transitions. [2019-09-08 18:17:40,035 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 18:17:40,035 INFO L276 IsEmpty]: Start isEmpty. Operand 30442 states and 39074 transitions. [2019-09-08 18:17:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-09-08 18:17:40,050 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:40,051 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:17:40,051 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:40,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:40,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1533842977, now seen corresponding path program 1 times [2019-09-08 18:17:40,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:40,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:40,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:40,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:40,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:40,871 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:17:40,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:40,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 18:17:40,873 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 18:17:40,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 18:17:40,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 18:17:40,875 INFO L87 Difference]: Start difference. First operand 30442 states and 39074 transitions. Second operand 4 states. [2019-09-08 18:17:41,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:41,666 INFO L93 Difference]: Finished difference Result 60374 states and 77721 transitions. [2019-09-08 18:17:41,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:17:41,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 260 [2019-09-08 18:17:41,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:41,844 INFO L225 Difference]: With dead ends: 60374 [2019-09-08 18:17:41,845 INFO L226 Difference]: Without dead ends: 30538 [2019-09-08 18:17:41,930 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:17:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30538 states. [2019-09-08 18:17:43,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30538 to 30506. [2019-09-08 18:17:43,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30506 states. [2019-09-08 18:17:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30506 states to 30506 states and 39138 transitions. [2019-09-08 18:17:43,518 INFO L78 Accepts]: Start accepts. Automaton has 30506 states and 39138 transitions. Word has length 260 [2019-09-08 18:17:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:43,518 INFO L475 AbstractCegarLoop]: Abstraction has 30506 states and 39138 transitions. [2019-09-08 18:17:43,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 18:17:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 30506 states and 39138 transitions. [2019-09-08 18:17:43,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-09-08 18:17:43,530 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:43,530 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:17:43,530 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:43,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:43,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1392939652, now seen corresponding path program 1 times [2019-09-08 18:17:43,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:43,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:43,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:43,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:43,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:17:44,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:44,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 18:17:44,111 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 18:17:44,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 18:17:44,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 18:17:44,112 INFO L87 Difference]: Start difference. First operand 30506 states and 39138 transitions. Second operand 4 states. [2019-09-08 18:17:44,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:17:44,697 INFO L93 Difference]: Finished difference Result 60598 states and 77945 transitions. [2019-09-08 18:17:44,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:17:44,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 262 [2019-09-08 18:17:44,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:17:44,869 INFO L225 Difference]: With dead ends: 60598 [2019-09-08 18:17:44,869 INFO L226 Difference]: Without dead ends: 30698 [2019-09-08 18:17:44,957 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:17:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30698 states. [2019-09-08 18:17:46,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30698 to 30570. [2019-09-08 18:17:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30570 states. [2019-09-08 18:17:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30570 states to 30570 states and 39202 transitions. [2019-09-08 18:17:46,216 INFO L78 Accepts]: Start accepts. Automaton has 30570 states and 39202 transitions. Word has length 262 [2019-09-08 18:17:46,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:17:46,217 INFO L475 AbstractCegarLoop]: Abstraction has 30570 states and 39202 transitions. [2019-09-08 18:17:46,217 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 18:17:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 30570 states and 39202 transitions. [2019-09-08 18:17:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-09-08 18:17:46,233 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:17:46,235 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 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] [2019-09-08 18:17:46,235 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:17:46,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:17:46,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1377200870, now seen corresponding path program 1 times [2019-09-08 18:17:46,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:17:46,236 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:17:46,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:46,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:17:46,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:17:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:17:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:17:47,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:17:47,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:17:47,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:17:47,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:17:47,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:17:47,060 INFO L87 Difference]: Start difference. First operand 30570 states and 39202 transitions. Second operand 7 states. [2019-09-08 18:18:06,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:06,242 INFO L93 Difference]: Finished difference Result 46692 states and 59907 transitions. [2019-09-08 18:18:06,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 18:18:06,243 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 271 [2019-09-08 18:18:06,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:06,509 INFO L225 Difference]: With dead ends: 46692 [2019-09-08 18:18:06,509 INFO L226 Difference]: Without dead ends: 46689 [2019-09-08 18:18:06,545 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:18:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46689 states. [2019-09-08 18:18:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46689 to 46672. [2019-09-08 18:18:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46672 states. [2019-09-08 18:18:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46672 states to 46672 states and 59877 transitions. [2019-09-08 18:18:08,375 INFO L78 Accepts]: Start accepts. Automaton has 46672 states and 59877 transitions. Word has length 271 [2019-09-08 18:18:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:08,376 INFO L475 AbstractCegarLoop]: Abstraction has 46672 states and 59877 transitions. [2019-09-08 18:18:08,376 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:18:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 46672 states and 59877 transitions. [2019-09-08 18:18:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-09-08 18:18:08,387 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:08,388 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:08,388 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:08,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:08,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1911533163, now seen corresponding path program 1 times [2019-09-08 18:18:08,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:08,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:08,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:08,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:08,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:18:09,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:18:09,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 18:18:09,645 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 18:18:09,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 18:18:09,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:18:09,646 INFO L87 Difference]: Start difference. First operand 46672 states and 59877 transitions. Second operand 8 states. [2019-09-08 18:18:10,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:10,604 INFO L93 Difference]: Finished difference Result 93134 states and 119523 transitions. [2019-09-08 18:18:10,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:18:10,605 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 264 [2019-09-08 18:18:10,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:10,789 INFO L225 Difference]: With dead ends: 93134 [2019-09-08 18:18:10,789 INFO L226 Difference]: Without dead ends: 47068 [2019-09-08 18:18:10,881 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:18:10,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47068 states. [2019-09-08 18:18:12,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47068 to 46912. [2019-09-08 18:18:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46912 states. [2019-09-08 18:18:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46912 states to 46912 states and 60165 transitions. [2019-09-08 18:18:12,236 INFO L78 Accepts]: Start accepts. Automaton has 46912 states and 60165 transitions. Word has length 264 [2019-09-08 18:18:12,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:12,237 INFO L475 AbstractCegarLoop]: Abstraction has 46912 states and 60165 transitions. [2019-09-08 18:18:12,237 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 18:18:12,237 INFO L276 IsEmpty]: Start isEmpty. Operand 46912 states and 60165 transitions. [2019-09-08 18:18:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-09-08 18:18:12,248 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:12,249 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:12,249 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:12,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash -229585063, now seen corresponding path program 1 times [2019-09-08 18:18:12,250 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:12,250 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:12,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:12,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:12,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:15,735 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2019-09-08 18:18:15,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:18:15,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 18:18:15,737 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 18:18:15,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 18:18:15,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:18:15,737 INFO L87 Difference]: Start difference. First operand 46912 states and 60165 transitions. Second operand 8 states. [2019-09-08 18:18:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:16,691 INFO L93 Difference]: Finished difference Result 93614 states and 120099 transitions. [2019-09-08 18:18:16,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:18:16,691 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 266 [2019-09-08 18:18:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:16,877 INFO L225 Difference]: With dead ends: 93614 [2019-09-08 18:18:16,877 INFO L226 Difference]: Without dead ends: 47308 [2019-09-08 18:18:16,990 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:18:17,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47308 states. [2019-09-08 18:18:18,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47308 to 46912. [2019-09-08 18:18:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46912 states. [2019-09-08 18:18:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46912 states to 46912 states and 60165 transitions. [2019-09-08 18:18:18,336 INFO L78 Accepts]: Start accepts. Automaton has 46912 states and 60165 transitions. Word has length 266 [2019-09-08 18:18:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:18,336 INFO L475 AbstractCegarLoop]: Abstraction has 46912 states and 60165 transitions. [2019-09-08 18:18:18,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 18:18:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 46912 states and 60165 transitions. [2019-09-08 18:18:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-09-08 18:18:18,349 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:18,350 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:18,350 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:18,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash -713260390, now seen corresponding path program 1 times [2019-09-08 18:18:18,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:18,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:18,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:18,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:18,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2019-09-08 18:18:19,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:18:19,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:18:19,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:18:19,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:18:19,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:18:19,652 INFO L87 Difference]: Start difference. First operand 46912 states and 60165 transitions. Second operand 7 states. [2019-09-08 18:18:21,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:21,141 INFO L93 Difference]: Finished difference Result 93047 states and 119466 transitions. [2019-09-08 18:18:21,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:18:21,142 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2019-09-08 18:18:21,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:21,325 INFO L225 Difference]: With dead ends: 93047 [2019-09-08 18:18:21,326 INFO L226 Difference]: Without dead ends: 46741 [2019-09-08 18:18:21,422 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:18:21,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46741 states. [2019-09-08 18:18:22,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46741 to 46681. [2019-09-08 18:18:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46681 states. [2019-09-08 18:18:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46681 states to 46681 states and 59824 transitions. [2019-09-08 18:18:22,748 INFO L78 Accepts]: Start accepts. Automaton has 46681 states and 59824 transitions. Word has length 266 [2019-09-08 18:18:22,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:22,748 INFO L475 AbstractCegarLoop]: Abstraction has 46681 states and 59824 transitions. [2019-09-08 18:18:22,748 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:18:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 46681 states and 59824 transitions. [2019-09-08 18:18:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-08 18:18:22,763 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:22,763 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:22,764 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:22,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:22,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1525201643, now seen corresponding path program 1 times [2019-09-08 18:18:22,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:22,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:22,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:22,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:22,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:18:23,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:18:23,391 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:18:23,392 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:18:23,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:18:23,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:18:23,392 INFO L87 Difference]: Start difference. First operand 46681 states and 59824 transitions. Second operand 3 states. [2019-09-08 18:18:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:24,634 INFO L93 Difference]: Finished difference Result 78082 states and 100025 transitions. [2019-09-08 18:18:24,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:18:24,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-09-08 18:18:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:24,808 INFO L225 Difference]: With dead ends: 78082 [2019-09-08 18:18:24,808 INFO L226 Difference]: Without dead ends: 46717 [2019-09-08 18:18:24,877 INFO L628 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 [2019-09-08 18:18:24,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46717 states. [2019-09-08 18:18:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46717 to 46681. [2019-09-08 18:18:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46681 states. [2019-09-08 18:18:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46681 states to 46681 states and 59806 transitions. [2019-09-08 18:18:26,192 INFO L78 Accepts]: Start accepts. Automaton has 46681 states and 59806 transitions. Word has length 286 [2019-09-08 18:18:26,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:26,192 INFO L475 AbstractCegarLoop]: Abstraction has 46681 states and 59806 transitions. [2019-09-08 18:18:26,192 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:18:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 46681 states and 59806 transitions. [2019-09-08 18:18:26,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-08 18:18:26,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:26,207 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:26,208 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:26,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:26,208 INFO L82 PathProgramCache]: Analyzing trace with hash -865670121, now seen corresponding path program 1 times [2019-09-08 18:18:26,208 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:26,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:26,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:26,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:26,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:18:26,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:18:26,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:18:26,938 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:18:26,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:18:26,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:18:26,939 INFO L87 Difference]: Start difference. First operand 46681 states and 59806 transitions. Second operand 5 states. [2019-09-08 18:18:28,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:28,280 INFO L93 Difference]: Finished difference Result 92990 states and 119234 transitions. [2019-09-08 18:18:28,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:18:28,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 286 [2019-09-08 18:18:28,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:28,452 INFO L225 Difference]: With dead ends: 92990 [2019-09-08 18:18:28,453 INFO L226 Difference]: Without dead ends: 46915 [2019-09-08 18:18:28,532 INFO L628 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 [2019-09-08 18:18:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46915 states. [2019-09-08 18:18:29,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46915 to 46807. [2019-09-08 18:18:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46807 states. [2019-09-08 18:18:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46807 states to 46807 states and 59941 transitions. [2019-09-08 18:18:29,820 INFO L78 Accepts]: Start accepts. Automaton has 46807 states and 59941 transitions. Word has length 286 [2019-09-08 18:18:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:29,821 INFO L475 AbstractCegarLoop]: Abstraction has 46807 states and 59941 transitions. [2019-09-08 18:18:29,821 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:18:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 46807 states and 59941 transitions. [2019-09-08 18:18:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-08 18:18:29,836 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:29,836 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:29,836 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:29,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:29,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1057557913, now seen corresponding path program 1 times [2019-09-08 18:18:29,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:29,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:29,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:29,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:29,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:18:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2019-09-08 18:18:30,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:18:30,642 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:18:30,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:18:45,894 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:18:45,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 18:18:45,895 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 18:18:45,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 18:18:45,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:18:45,896 INFO L87 Difference]: Start difference. First operand 46807 states and 59941 transitions. Second operand 8 states. [2019-09-08 18:18:51,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:18:51,774 INFO L93 Difference]: Finished difference Result 78136 states and 100016 transitions. [2019-09-08 18:18:51,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:18:51,775 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 286 [2019-09-08 18:18:51,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:18:51,954 INFO L225 Difference]: With dead ends: 78136 [2019-09-08 18:18:51,954 INFO L226 Difference]: Without dead ends: 46654 [2019-09-08 18:18:52,027 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:18:52,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46654 states. [2019-09-08 18:18:53,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46654 to 46654. [2019-09-08 18:18:53,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46654 states. [2019-09-08 18:18:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46654 states to 46654 states and 59743 transitions. [2019-09-08 18:18:53,347 INFO L78 Accepts]: Start accepts. Automaton has 46654 states and 59743 transitions. Word has length 286 [2019-09-08 18:18:53,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:18:53,347 INFO L475 AbstractCegarLoop]: Abstraction has 46654 states and 59743 transitions. [2019-09-08 18:18:53,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 18:18:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 46654 states and 59743 transitions. [2019-09-08 18:18:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2019-09-08 18:18:53,364 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:18:53,365 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:18:53,365 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:18:53,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:18:53,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1331001909, now seen corresponding path program 1 times [2019-09-08 18:18:53,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:18:53,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:18:53,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:18:53,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:18:53,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:19:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-09-08 18:19:02,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:19:02,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-08 18:19:02,690 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 18:19:02,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 18:19:02,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-09-08 18:19:02,691 INFO L87 Difference]: Start difference. First operand 46654 states and 59743 transitions. Second operand 13 states. [2019-09-08 18:19:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:19:12,947 INFO L93 Difference]: Finished difference Result 78202 states and 100016 transitions. [2019-09-08 18:19:12,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 18:19:12,948 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 303 [2019-09-08 18:19:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:19:13,199 INFO L225 Difference]: With dead ends: 78202 [2019-09-08 18:19:13,200 INFO L226 Difference]: Without dead ends: 46821 [2019-09-08 18:19:13,306 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-08 18:19:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46821 states. [2019-09-08 18:19:15,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46821 to 46467. [2019-09-08 18:19:15,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46467 states. [2019-09-08 18:19:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46467 states to 46467 states and 59484 transitions. [2019-09-08 18:19:15,262 INFO L78 Accepts]: Start accepts. Automaton has 46467 states and 59484 transitions. Word has length 303 [2019-09-08 18:19:15,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:19:15,262 INFO L475 AbstractCegarLoop]: Abstraction has 46467 states and 59484 transitions. [2019-09-08 18:19:15,262 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 18:19:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 46467 states and 59484 transitions. [2019-09-08 18:19:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2019-09-08 18:19:15,279 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:19:15,279 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:19:15,280 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:19:15,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:19:15,280 INFO L82 PathProgramCache]: Analyzing trace with hash 682629025, now seen corresponding path program 1 times [2019-09-08 18:19:15,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:19:15,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:19:15,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:15,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:19:15,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:19:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2019-09-08 18:19:16,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:19:16,610 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:19:16,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:19:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:19:31,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:19:31,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 18:19:31,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 18:19:31,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 18:19:31,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:19:31,744 INFO L87 Difference]: Start difference. First operand 46467 states and 59484 transitions. Second operand 8 states. [2019-09-08 18:19:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:19:37,341 INFO L93 Difference]: Finished difference Result 77609 states and 99333 transitions. [2019-09-08 18:19:37,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:19:37,342 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 294 [2019-09-08 18:19:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:19:37,518 INFO L225 Difference]: With dead ends: 77609 [2019-09-08 18:19:37,518 INFO L226 Difference]: Without dead ends: 46467 [2019-09-08 18:19:37,591 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:19:37,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46467 states. [2019-09-08 18:19:39,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46467 to 46467. [2019-09-08 18:19:39,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46467 states. [2019-09-08 18:19:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46467 states to 46467 states and 59464 transitions. [2019-09-08 18:19:39,411 INFO L78 Accepts]: Start accepts. Automaton has 46467 states and 59464 transitions. Word has length 294 [2019-09-08 18:19:39,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:19:39,411 INFO L475 AbstractCegarLoop]: Abstraction has 46467 states and 59464 transitions. [2019-09-08 18:19:39,412 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 18:19:39,412 INFO L276 IsEmpty]: Start isEmpty. Operand 46467 states and 59464 transitions. [2019-09-08 18:19:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-09-08 18:19:39,428 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:19:39,428 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 8, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:19:39,428 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:19:39,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:19:39,429 INFO L82 PathProgramCache]: Analyzing trace with hash 480468893, now seen corresponding path program 1 times [2019-09-08 18:19:39,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:19:39,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:19:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:39,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:19:39,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:19:40,388 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-09-08 18:19:40,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:19:40,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 18:19:40,389 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 18:19:40,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 18:19:40,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2019-09-08 18:19:40,390 INFO L87 Difference]: Start difference. First operand 46467 states and 59464 transitions. Second operand 9 states. [2019-09-08 18:19:56,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:19:56,553 INFO L93 Difference]: Finished difference Result 64969 states and 85065 transitions. [2019-09-08 18:19:56,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 18:19:56,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2019-09-08 18:19:56,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:19:56,801 INFO L225 Difference]: With dead ends: 64969 [2019-09-08 18:19:56,801 INFO L226 Difference]: Without dead ends: 64831 [2019-09-08 18:19:56,837 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:19:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64831 states. [2019-09-08 18:19:58,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64831 to 61275. [2019-09-08 18:19:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61275 states. [2019-09-08 18:19:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61275 states to 61275 states and 78451 transitions. [2019-09-08 18:19:58,799 INFO L78 Accepts]: Start accepts. Automaton has 61275 states and 78451 transitions. Word has length 305 [2019-09-08 18:19:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:19:58,799 INFO L475 AbstractCegarLoop]: Abstraction has 61275 states and 78451 transitions. [2019-09-08 18:19:58,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 18:19:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 61275 states and 78451 transitions. [2019-09-08 18:19:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-08 18:19:58,818 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:19:58,819 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:19:58,819 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:19:58,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:19:58,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1357787159, now seen corresponding path program 1 times [2019-09-08 18:19:58,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:19:58,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:19:58,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:19:58,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:19:58,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:20:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:20:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-09-08 18:20:03,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:20:03,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 18:20:03,278 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 18:20:03,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 18:20:03,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:20:03,279 INFO L87 Difference]: Start difference. First operand 61275 states and 78451 transitions. Second operand 11 states. [2019-09-08 18:20:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:20:05,235 INFO L93 Difference]: Finished difference Result 123192 states and 157863 transitions. [2019-09-08 18:20:05,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 18:20:05,236 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 309 [2019-09-08 18:20:05,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:20:05,493 INFO L225 Difference]: With dead ends: 123192 [2019-09-08 18:20:05,493 INFO L226 Difference]: Without dead ends: 62523 [2019-09-08 18:20:05,615 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-09-08 18:20:05,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62523 states. [2019-09-08 18:20:08,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62523 to 61875. [2019-09-08 18:20:08,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61875 states. [2019-09-08 18:20:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61875 states to 61875 states and 79275 transitions. [2019-09-08 18:20:08,750 INFO L78 Accepts]: Start accepts. Automaton has 61875 states and 79275 transitions. Word has length 309 [2019-09-08 18:20:08,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:20:08,751 INFO L475 AbstractCegarLoop]: Abstraction has 61875 states and 79275 transitions. [2019-09-08 18:20:08,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 18:20:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61875 states and 79275 transitions. [2019-09-08 18:20:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-09-08 18:20:08,778 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:20:08,779 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:20:08,779 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:20:08,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:20:08,780 INFO L82 PathProgramCache]: Analyzing trace with hash 68761712, now seen corresponding path program 1 times [2019-09-08 18:20:08,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:20:08,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:20:08,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:20:08,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:20:08,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:20:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:20:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-09-08 18:20:12,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:20:12,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-08 18:20:12,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 18:20:12,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 18:20:12,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2019-09-08 18:20:12,028 INFO L87 Difference]: Start difference. First operand 61875 states and 79275 transitions. Second operand 16 states. [2019-09-08 18:20:15,421 WARN L188 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-09-08 18:20:17,177 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-09-08 18:20:17,459 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-09-08 18:20:20,602 WARN L188 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2019-09-08 18:20:22,936 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-09-08 18:20:34,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:20:34,346 INFO L93 Difference]: Finished difference Result 247794 states and 317895 transitions. [2019-09-08 18:20:34,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-08 18:20:34,347 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 319 [2019-09-08 18:20:34,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:20:35,049 INFO L225 Difference]: With dead ends: 247794 [2019-09-08 18:20:35,049 INFO L226 Difference]: Without dead ends: 186429 [2019-09-08 18:20:35,179 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=188, Invalid=1452, Unknown=0, NotChecked=0, Total=1640 [2019-09-08 18:20:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186429 states. [2019-09-08 18:20:40,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186429 to 180261. [2019-09-08 18:20:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180261 states. [2019-09-08 18:20:46,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180261 states to 180261 states and 231035 transitions. [2019-09-08 18:20:46,760 INFO L78 Accepts]: Start accepts. Automaton has 180261 states and 231035 transitions. Word has length 319 [2019-09-08 18:20:46,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:20:46,761 INFO L475 AbstractCegarLoop]: Abstraction has 180261 states and 231035 transitions. [2019-09-08 18:20:46,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 18:20:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 180261 states and 231035 transitions. [2019-09-08 18:20:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-08 18:20:46,811 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:20:46,812 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:20:46,812 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:20:46,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:20:46,812 INFO L82 PathProgramCache]: Analyzing trace with hash 2030067145, now seen corresponding path program 1 times [2019-09-08 18:20:46,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:20:46,813 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:20:46,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:20:46,818 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:20:46,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY