java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-crypt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 18:41:17,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 18:41:17,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 18:41:17,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 18:41:17,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 18:41:17,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 18:41:17,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 18:41:17,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 18:41:17,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 18:41:17,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 18:41:17,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 18:41:17,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 18:41:17,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 18:41:17,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 18:41:17,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 18:41:17,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 18:41:17,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 18:41:17,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 18:41:17,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 18:41:17,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 18:41:17,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 18:41:17,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 18:41:17,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 18:41:17,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 18:41:17,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 18:41:17,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 18:41:17,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 18:41:17,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 18:41:17,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 18:41:17,884 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 18:41:17,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 18:41:17,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 18:41:17,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 18:41:17,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 18:41:17,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 18:41:17,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 18:41:17,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 18:41:17,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 18:41:17,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 18:41:17,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 18:41:17,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 18:41:17,896 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 18:41:17,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 18:41:17,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 18:41:17,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 18:41:17,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 18:41:17,914 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 18:41:17,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 18:41:17,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 18:41:17,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 18:41:17,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 18:41:17,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 18:41:17,916 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 18:41:17,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 18:41:17,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 18:41:17,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 18:41:17,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 18:41:17,917 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 18:41:17,917 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 18:41:17,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 18:41:17,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 18:41:17,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 18:41:17,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 18:41:17,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 18:41:17,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 18:41:17,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 18:41:17,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 18:41:17,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 18:41:17,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 18:41:17,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 18:41:17,919 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 18:41:17,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 18:41:17,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 18:41:17,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 18:41:18,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 18:41:18,001 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 18:41:18,002 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2019-09-08 18:41:18,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58f6671/fd45da7b8af54d2786124bb6f894d97d/FLAG90a719f9c [2019-09-08 18:41:19,032 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 18:41:19,034 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2019-09-08 18:41:19,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58f6671/fd45da7b8af54d2786124bb6f894d97d/FLAG90a719f9c [2019-09-08 18:41:19,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e58f6671/fd45da7b8af54d2786124bb6f894d97d [2019-09-08 18:41:19,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 18:41:19,444 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 18:41:19,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 18:41:19,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 18:41:19,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 18:41:19,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:41:19" (1/1) ... [2019-09-08 18:41:19,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b83359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:19, skipping insertion in model container [2019-09-08 18:41:19,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:41:19" (1/1) ... [2019-09-08 18:41:19,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 18:41:19,620 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 18:41:23,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:41:23,230 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 18:41:23,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:41:24,653 INFO L192 MainTranslator]: Completed translation [2019-09-08 18:41:24,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24 WrapperNode [2019-09-08 18:41:24,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 18:41:24,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 18:41:24,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 18:41:24,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 18:41:24,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:24,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:24,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:24,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:24,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:25,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:25,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (1/1) ... [2019-09-08 18:41:25,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 18:41:25,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 18:41:25,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 18:41:25,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 18:41:25,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (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 18:41:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 18:41:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 18:41:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:41:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 18:41:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-09-08 18:41:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 18:41:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 18:41:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 18:41:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2019-09-08 18:41:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2019-09-08 18:41:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-09-08 18:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2019-09-08 18:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2019-09-08 18:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 18:41:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_weight [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2019-09-08 18:41:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-08 18:41:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 18:41:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 18:41:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 18:41:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 18:41:25,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2019-09-08 18:41:25,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __add_wait_queue [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __remove_wait_queue [2019-09-08 18:41:25,216 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-08 18:41:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reinit_completion [2019-09-08 18:41:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2019-09-08 18:41:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 18:41:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 18:41:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 18:41:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 18:41:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2019-09-08 18:41:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_inc [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disabled_dec [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_disable [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pagefault_enable [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap_atomic [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2019-09-08 18:41:25,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_kmalloc_pool [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create_page_pool [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bvec_iter_advance [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_advance_iter [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_assign_page [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_set_page [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2019-09-08 18:41:25,220 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2019-09-08 18:41:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_tfm [2019-09-08 18:41:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_alg_blocksize [2019-09-08 18:41:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_tfm_alg_alignmask [2019-09-08 18:41:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_ablkcipher_cast [2019-09-08 18:41:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_tfm [2019-09-08 18:41:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_ablkcipher [2019-09-08 18:41:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_crt [2019-09-08 18:41:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_ivsize [2019-09-08 18:41:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_blocksize [2019-09-08 18:41:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_alignmask [2019-09-08 18:41:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_setkey [2019-09-08 18:41:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqtfm [2019-09-08 18:41:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_encrypt [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_decrypt [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_ablkcipher_reqsize [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_set_tfm [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_set_callback [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ablkcipher_request_set_crypt [2019-09-08 18:41:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_cipher_cast [2019-09-08 18:41:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_cipher [2019-09-08 18:41:25,225 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2019-09-08 18:41:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_cipher [2019-09-08 18:41:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2019-09-08 18:41:25,226 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_blocksize [2019-09-08 18:41:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_setkey [2019-09-08 18:41:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_encrypt_one [2019-09-08 18:41:25,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_hash_cast [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_hash [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_tfm [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_hash [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_crt [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_digestsize [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_hash_digest [2019-09-08 18:41:25,228 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_tfm [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_free_shash [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __crypto_shash_alg [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_alg [2019-09-08 18:41:25,229 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_digestsize [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_descsize [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_export [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_init [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure any_tfm [2019-09-08 18:41:25,230 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_plain_gen [2019-09-08 18:41:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_plain64_gen [2019-09-08 18:41:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_init [2019-09-08 18:41:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_wipe [2019-09-08 18:41:25,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_essiv_cpu [2019-09-08 18:41:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_dtr [2019-09-08 18:41:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_ctr [2019-09-08 18:41:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_essiv_gen [2019-09-08 18:41:25,232 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_ctr [2019-09-08 18:41:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_dtr [2019-09-08 18:41:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_benbi_gen [2019-09-08 18:41:25,233 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_null_gen [2019-09-08 18:41:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_dtr [2019-09-08 18:41:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_ctr [2019-09-08 18:41:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_init [2019-09-08 18:41:25,234 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_wipe [2019-09-08 18:41:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_one [2019-09-08 18:41:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_gen [2019-09-08 18:41:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_lmk_post [2019-09-08 18:41:25,235 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_dtr [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_ctr [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_init [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_wipe [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_whitening [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_gen [2019-09-08 18:41:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iv_tcw_post [2019-09-08 18:41:25,237 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_convert_init [2019-09-08 18:41:25,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dmreq_of_req [2019-09-08 18:41:25,240 INFO L138 BoogieDeclarations]: Found implementation of procedure req_of_dmreq [2019-09-08 18:41:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure iv_of_dmreq [2019-09-08 18:41:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_convert_block [2019-09-08 18:41:25,242 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_alloc_req [2019-09-08 18:41:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_req [2019-09-08 18:41:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_convert [2019-09-08 18:41:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_alloc_buffer [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_buffer_pages [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_io_init [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_inc_pending [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_dec_pending [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_endio [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure clone_init [2019-09-08 18:41:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_io_read [2019-09-08 18:41:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_io_read_work [2019-09-08 18:41:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_queue_read [2019-09-08 18:41:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_io_write [2019-09-08 18:41:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure dmcrypt_write [2019-09-08 18:41:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_write_io_submit [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_write_convert [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_read_done [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt_read_convert [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_async_done [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_crypt [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kcryptd_queue_crypt [2019-09-08 18:41:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_decode_key [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_free_tfms [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_alloc_tfms [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_setkey_allcpus [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_set_key [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_wipe_key [2019-09-08 18:41:25,253 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_dtr [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_ctr_cipher [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_ctr [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_map [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_status [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_postsuspend [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_preresume [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_resume [2019-09-08 18:41:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_message [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_merge [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure crypt_iterate_devices [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_crypt_init [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_crypt_exit [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2019-09-08 18:41:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_crypt_iv_operations_8 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2019-09-08 18:41:25,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_3 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_crypt_iv_operations_5 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_crypt_iv_operations_7 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_crypt_iv_operations_4 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2019-09-08 18:41:25,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_5 [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_6 [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_7 [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_8 [2019-09-08 18:41:25,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_9 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_14 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_15 [2019-09-08 18:41:25,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_20 [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 18:41:25,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-08 18:41:25,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-08 18:41:25,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-08 18:41:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 18:41:25,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 18:41:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 18:41:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 18:41:25,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 18:41:25,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 18:41:25,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 18:41:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 18:41:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 18:41:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 18:41:25,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __bitmap_weight [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-08 18:41:25,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up_locked [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_alloc_bioset [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_clone_fast [2019-09-08 18:41:25,275 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bioset_create [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bioset_free [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_finish_plug [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_plug [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_ablkcipher [2019-09-08 18:41:25,276 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_base [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_alloc_shash [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_destroy_tfm [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_final [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_shash_update [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_xor [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2019-09-08 18:41:25,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrdup [2019-09-08 18:41:25,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtou8 [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kzfree [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_presuspend_3 [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-09-08 18:41:25,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_5 [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_8 [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_4 [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_5 [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_8 [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_alloc [2019-09-08 18:41:25,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_create [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_free [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure memzero_explicit [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 18:41:25,281 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_first [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_one [2019-09-08 18:41:25,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_init_table [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 18:41:25,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 18:41:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 18:41:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 18:41:25,284 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 18:41:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 18:41:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_alloca [2019-09-08 18:41:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 18:41:25,284 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2019-09-08 18:41:25,285 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtou8 [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 18:41:25,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 18:41:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-09-08 18:41:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-09-08 18:41:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-09-08 18:41:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure kstrdup [2019-09-08 18:41:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure memzero_explicit [2019-09-08 18:41:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure __bitmap_weight [2019-09-08 18:41:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_weight [2019-09-08 18:41:25,290 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 18:41:25,291 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-08 18:41:25,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_15 [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 18:41:25,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 18:41:25,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2019-09-08 18:41:25,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_14 [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-08 18:41:25,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 18:41:25,297 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-09-08 18:41:25,298 INFO L130 BoogieDeclarations]: Found specification of procedure __add_wait_queue [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure __remove_wait_queue [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up_locked [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure reinit_completion [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-09-08 18:41:25,299 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure rb_first [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2019-09-08 18:41:25,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_20 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_5 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_7 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_6 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_9 [2019-09-08 18:41:25,301 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_8 [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzfree [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 18:41:25,302 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_crypt_iv_operations_8 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2019-09-08 18:41:25,303 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_3 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_crypt_iv_operations_5 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_crypt_iv_operations_7 [2019-09-08 18:41:25,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_crypt_iv_operations_4 [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_inc [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disabled_dec [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_disable [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure pagefault_enable [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure kmap_atomic [2019-09-08 18:41:25,305 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kmalloc [2019-09-08 18:41:25,306 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_kfree [2019-09-08 18:41:25,309 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_kmalloc_pool [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_alloc_pages [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_pages [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_create_page_pool [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure bvec_iter_advance [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure bio_advance_iter [2019-09-08 18:41:25,310 INFO L130 BoogieDeclarations]: Found specification of procedure bioset_create [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure bioset_free [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure bio_alloc_bioset [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure bio_clone_fast [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure sg_assign_page [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure sg_set_page [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2019-09-08 18:41:25,311 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_table [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure sg_init_one [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_plug [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure blk_finish_plug [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_base [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_destroy_tfm [2019-09-08 18:41:25,312 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_tfm [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_alg_blocksize [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_tfm_alg_alignmask [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_ablkcipher_cast [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_ablkcipher [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_tfm [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_ablkcipher [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_crt [2019-09-08 18:41:25,313 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_ivsize [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_blocksize [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_alignmask [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_setkey [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqtfm [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_encrypt [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_decrypt [2019-09-08 18:41:25,314 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_ablkcipher_reqsize [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_set_tfm [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_set_callback [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure ablkcipher_request_set_crypt [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_cipher_cast [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_cipher [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_cipher [2019-09-08 18:41:25,315 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_blocksize [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_setkey [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_encrypt_one [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_hash_cast [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_hash [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_tfm [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_hash [2019-09-08 18:41:25,316 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_crt [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_digestsize [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_hash_digest [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-09-08 18:41:25,317 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_alloc_shash [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_tfm [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_free_shash [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure __crypto_shash_alg [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_alg [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_digestsize [2019-09-08 18:41:25,318 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_descsize [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_export [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_init [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_update [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_shash_final [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_xor [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2019-09-08 18:41:25,319 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure clone_init [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_queue_crypt [2019-09-08 18:41:25,320 INFO L130 BoogieDeclarations]: Found specification of procedure iv_of_dmreq [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure any_tfm [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_plain_gen [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_plain64_gen [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_init [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_wipe [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure setup_essiv_cpu [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_dtr [2019-09-08 18:41:25,321 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_ctr [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_essiv_gen [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_ctr [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_dtr [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_benbi_gen [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_null_gen [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_dtr [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_ctr [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_init [2019-09-08 18:41:25,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_wipe [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_one [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_gen [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_lmk_post [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_dtr [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_ctr [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_init [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_wipe [2019-09-08 18:41:25,323 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_whitening [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_gen [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iv_tcw_post [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_convert_init [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure dmreq_of_req [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure req_of_dmreq [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_convert_block [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-09-08 18:41:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_async_done [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_alloc_req [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_req [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_convert [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_buffer_pages [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_alloc_buffer [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_io_init [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_inc_pending [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_dec_pending [2019-09-08 18:41:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_endio [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_io_read [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_io_read_work [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_queue_read [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_io_write [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure dmcrypt_write [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_write_io_submit [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_write_convert [2019-09-08 18:41:25,326 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_read_done [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt_read_convert [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure kcryptd_crypt [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_decode_key [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_free_tfms [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_alloc_tfms [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_setkey_allcpus [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_set_key [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_wipe_key [2019-09-08 18:41:25,327 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_dtr [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_ctr_cipher [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_ctr [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_map [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_status [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_postsuspend [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_preresume [2019-09-08 18:41:25,328 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_resume [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_message [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_merge [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure crypt_iterate_devices [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure dm_crypt_init [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure dm_crypt_exit [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_4 [2019-09-08 18:41:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_5 [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_8 [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_5 [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_8 [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_presuspend_3 [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 18:41:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_bio_alloc_lock_of_crypt_config [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-08 18:41:25,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-08 18:41:25,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 18:41:25,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 18:41:25,335 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 18:41:25,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 18:41:30,521 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 18:41:36,049 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 18:41:36,049 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 18:41:36,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:41:36 BoogieIcfgContainer [2019-09-08 18:41:36,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 18:41:36,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 18:41:36,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 18:41:36,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 18:41:36,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:41:19" (1/3) ... [2019-09-08 18:41:36,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17182717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:41:36, skipping insertion in model container [2019-09-08 18:41:36,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:41:24" (2/3) ... [2019-09-08 18:41:36,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17182717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:41:36, skipping insertion in model container [2019-09-08 18:41:36,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:41:36" (3/3) ... [2019-09-08 18:41:36,062 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-crypt.ko-entry_point.cil.out.i [2019-09-08 18:41:36,073 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 18:41:36,093 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 18:41:36,112 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 18:41:36,166 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 18:41:36,167 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 18:41:36,167 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 18:41:36,167 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 18:41:36,167 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 18:41:36,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 18:41:36,168 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 18:41:36,168 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 18:41:36,168 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 18:41:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2991 states. [2019-09-08 18:41:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-09-08 18:41:36,287 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:36,288 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:36,291 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:36,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:36,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2019123468, now seen corresponding path program 1 times [2019-09-08 18:41:36,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:36,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:36,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:36,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:36,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-09-08 18:41:37,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:37,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:37,797 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:37,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:37,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:37,815 INFO L87 Difference]: Start difference. First operand 2991 states. Second operand 3 states. [2019-09-08 18:41:40,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:40,485 INFO L93 Difference]: Finished difference Result 7790 states and 10476 transitions. [2019-09-08 18:41:40,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:40,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 441 [2019-09-08 18:41:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:40,551 INFO L225 Difference]: With dead ends: 7790 [2019-09-08 18:41:40,551 INFO L226 Difference]: Without dead ends: 5149 [2019-09-08 18:41:40,571 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 18:41:40,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5149 states. [2019-09-08 18:41:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5149 to 5145. [2019-09-08 18:41:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5145 states. [2019-09-08 18:41:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 5145 states and 6849 transitions. [2019-09-08 18:41:40,904 INFO L78 Accepts]: Start accepts. Automaton has 5145 states and 6849 transitions. Word has length 441 [2019-09-08 18:41:40,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:40,906 INFO L475 AbstractCegarLoop]: Abstraction has 5145 states and 6849 transitions. [2019-09-08 18:41:40,906 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:40,906 INFO L276 IsEmpty]: Start isEmpty. Operand 5145 states and 6849 transitions. [2019-09-08 18:41:40,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2019-09-08 18:41:40,925 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:40,926 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:40,926 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:40,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:40,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1377824251, now seen corresponding path program 1 times [2019-09-08 18:41:40,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:40,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:40,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:40,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:40,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-09-08 18:41:41,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:41,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:41,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:41,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:41,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:41,774 INFO L87 Difference]: Start difference. First operand 5145 states and 6849 transitions. Second operand 3 states. [2019-09-08 18:41:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:42,200 INFO L93 Difference]: Finished difference Result 15187 states and 20419 transitions. [2019-09-08 18:41:42,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:42,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 448 [2019-09-08 18:41:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:42,304 INFO L225 Difference]: With dead ends: 15187 [2019-09-08 18:41:42,304 INFO L226 Difference]: Without dead ends: 10144 [2019-09-08 18:41:42,343 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 18:41:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10144 states. [2019-09-08 18:41:42,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10144 to 10136. [2019-09-08 18:41:42,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10136 states. [2019-09-08 18:41:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10136 states to 10136 states and 13615 transitions. [2019-09-08 18:41:42,938 INFO L78 Accepts]: Start accepts. Automaton has 10136 states and 13615 transitions. Word has length 448 [2019-09-08 18:41:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:42,939 INFO L475 AbstractCegarLoop]: Abstraction has 10136 states and 13615 transitions. [2019-09-08 18:41:42,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 10136 states and 13615 transitions. [2019-09-08 18:41:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2019-09-08 18:41:42,959 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:42,959 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:42,960 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:42,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:42,960 INFO L82 PathProgramCache]: Analyzing trace with hash -238488255, now seen corresponding path program 1 times [2019-09-08 18:41:42,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:42,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:42,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:42,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:42,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:44,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-09-08 18:41:44,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:44,094 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:44,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:44,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:44,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:44,097 INFO L87 Difference]: Start difference. First operand 10136 states and 13615 transitions. Second operand 3 states. [2019-09-08 18:41:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:44,403 INFO L93 Difference]: Finished difference Result 10138 states and 13616 transitions. [2019-09-08 18:41:44,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:44,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 449 [2019-09-08 18:41:44,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:44,482 INFO L225 Difference]: With dead ends: 10138 [2019-09-08 18:41:44,482 INFO L226 Difference]: Without dead ends: 10135 [2019-09-08 18:41:44,491 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 18:41:44,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10135 states. [2019-09-08 18:41:44,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10135 to 10135. [2019-09-08 18:41:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10135 states. [2019-09-08 18:41:45,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10135 states to 10135 states and 13613 transitions. [2019-09-08 18:41:45,001 INFO L78 Accepts]: Start accepts. Automaton has 10135 states and 13613 transitions. Word has length 449 [2019-09-08 18:41:45,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:45,002 INFO L475 AbstractCegarLoop]: Abstraction has 10135 states and 13613 transitions. [2019-09-08 18:41:45,002 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 13613 transitions. [2019-09-08 18:41:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2019-09-08 18:41:45,020 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:45,021 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:45,021 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:45,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:45,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1195436478, now seen corresponding path program 1 times [2019-09-08 18:41:45,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:45,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:45,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:45,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:45,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-09-08 18:41:45,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:45,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:45,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:45,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:45,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:45,777 INFO L87 Difference]: Start difference. First operand 10135 states and 13613 transitions. Second operand 3 states. [2019-09-08 18:41:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:46,035 INFO L93 Difference]: Finished difference Result 10137 states and 13614 transitions. [2019-09-08 18:41:46,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:46,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 450 [2019-09-08 18:41:46,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:46,128 INFO L225 Difference]: With dead ends: 10137 [2019-09-08 18:41:46,128 INFO L226 Difference]: Without dead ends: 10134 [2019-09-08 18:41:46,138 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 18:41:46,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10134 states. [2019-09-08 18:41:46,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10134 to 10134. [2019-09-08 18:41:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10134 states. [2019-09-08 18:41:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10134 states to 10134 states and 13611 transitions. [2019-09-08 18:41:46,626 INFO L78 Accepts]: Start accepts. Automaton has 10134 states and 13611 transitions. Word has length 450 [2019-09-08 18:41:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:46,629 INFO L475 AbstractCegarLoop]: Abstraction has 10134 states and 13611 transitions. [2019-09-08 18:41:46,629 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:46,629 INFO L276 IsEmpty]: Start isEmpty. Operand 10134 states and 13611 transitions. [2019-09-08 18:41:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2019-09-08 18:41:46,651 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:46,652 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:41:46,652 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:46,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:46,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1597532188, now seen corresponding path program 1 times [2019-09-08 18:41:46,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:46,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:46,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:46,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:46,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:47,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4157 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4157 trivial. 0 not checked. [2019-09-08 18:41:47,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:47,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:47,944 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:47,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:47,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:47,945 INFO L87 Difference]: Start difference. First operand 10134 states and 13611 transitions. Second operand 3 states. [2019-09-08 18:41:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:48,217 INFO L93 Difference]: Finished difference Result 10136 states and 13612 transitions. [2019-09-08 18:41:48,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:48,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 451 [2019-09-08 18:41:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:48,274 INFO L225 Difference]: With dead ends: 10136 [2019-09-08 18:41:48,274 INFO L226 Difference]: Without dead ends: 10120 [2019-09-08 18:41:48,283 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 18:41:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10120 states. [2019-09-08 18:41:48,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10120 to 10120. [2019-09-08 18:41:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10120 states. [2019-09-08 18:41:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10120 states to 10120 states and 13593 transitions. [2019-09-08 18:41:48,760 INFO L78 Accepts]: Start accepts. Automaton has 10120 states and 13593 transitions. Word has length 451 [2019-09-08 18:41:48,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:48,761 INFO L475 AbstractCegarLoop]: Abstraction has 10120 states and 13593 transitions. [2019-09-08 18:41:48,761 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:48,761 INFO L276 IsEmpty]: Start isEmpty. Operand 10120 states and 13593 transitions. [2019-09-08 18:41:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-09-08 18:41:48,783 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:48,784 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-08 18:41:48,784 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:48,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:48,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1251648932, now seen corresponding path program 1 times [2019-09-08 18:41:48,785 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:48,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:48,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:48,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:48,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:41:49,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:49,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 18:41:49,632 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 18:41:49,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 18:41:49,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 18:41:49,634 INFO L87 Difference]: Start difference. First operand 10120 states and 13593 transitions. Second operand 4 states. [2019-09-08 18:41:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:50,322 INFO L93 Difference]: Finished difference Result 20154 states and 27285 transitions. [2019-09-08 18:41:50,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 18:41:50,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 491 [2019-09-08 18:41:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:50,378 INFO L225 Difference]: With dead ends: 20154 [2019-09-08 18:41:50,378 INFO L226 Difference]: Without dead ends: 10136 [2019-09-08 18:41:50,441 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 18:41:50,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10136 states. [2019-09-08 18:41:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10136 to 10136. [2019-09-08 18:41:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10136 states. [2019-09-08 18:41:51,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10136 states to 10136 states and 13613 transitions. [2019-09-08 18:41:51,027 INFO L78 Accepts]: Start accepts. Automaton has 10136 states and 13613 transitions. Word has length 491 [2019-09-08 18:41:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:51,028 INFO L475 AbstractCegarLoop]: Abstraction has 10136 states and 13613 transitions. [2019-09-08 18:41:51,028 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 18:41:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 10136 states and 13613 transitions. [2019-09-08 18:41:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-09-08 18:41:51,053 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:51,054 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-08 18:41:51,054 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:51,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:51,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1604737314, now seen corresponding path program 1 times [2019-09-08 18:41:51,055 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:51,055 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:51,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:51,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:41:51,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:51,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:51,930 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:51,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:51,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:51,930 INFO L87 Difference]: Start difference. First operand 10136 states and 13613 transitions. Second operand 3 states. [2019-09-08 18:41:52,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:52,842 INFO L93 Difference]: Finished difference Result 30120 states and 41137 transitions. [2019-09-08 18:41:52,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:52,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 491 [2019-09-08 18:41:52,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:52,991 INFO L225 Difference]: With dead ends: 30120 [2019-09-08 18:41:52,991 INFO L226 Difference]: Without dead ends: 20086 [2019-09-08 18:41:53,228 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 18:41:53,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20086 states. [2019-09-08 18:41:54,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20086 to 20066. [2019-09-08 18:41:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20066 states. [2019-09-08 18:41:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20066 states to 20066 states and 27286 transitions. [2019-09-08 18:41:54,143 INFO L78 Accepts]: Start accepts. Automaton has 20066 states and 27286 transitions. Word has length 491 [2019-09-08 18:41:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:54,144 INFO L475 AbstractCegarLoop]: Abstraction has 20066 states and 27286 transitions. [2019-09-08 18:41:54,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 20066 states and 27286 transitions. [2019-09-08 18:41:54,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-09-08 18:41:54,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:54,167 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-08 18:41:54,167 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:54,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:54,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1435854592, now seen corresponding path program 1 times [2019-09-08 18:41:54,168 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:54,168 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:54,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:54,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:54,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:41:55,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:55,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:41:55,044 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:41:55,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:41:55,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:41:55,045 INFO L87 Difference]: Start difference. First operand 20066 states and 27286 transitions. Second operand 3 states. [2019-09-08 18:41:57,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:41:57,014 INFO L93 Difference]: Finished difference Result 50024 states and 69039 transitions. [2019-09-08 18:41:57,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:41:57,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 492 [2019-09-08 18:41:57,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:41:57,172 INFO L225 Difference]: With dead ends: 50024 [2019-09-08 18:41:57,172 INFO L226 Difference]: Without dead ends: 30060 [2019-09-08 18:41:57,246 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 18:41:57,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30060 states. [2019-09-08 18:41:58,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30060 to 30040. [2019-09-08 18:41:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30040 states. [2019-09-08 18:41:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30040 states to 30040 states and 41171 transitions. [2019-09-08 18:41:58,549 INFO L78 Accepts]: Start accepts. Automaton has 30040 states and 41171 transitions. Word has length 492 [2019-09-08 18:41:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:41:58,550 INFO L475 AbstractCegarLoop]: Abstraction has 30040 states and 41171 transitions. [2019-09-08 18:41:58,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:41:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30040 states and 41171 transitions. [2019-09-08 18:41:58,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2019-09-08 18:41:58,573 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:41:58,573 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-08 18:41:58,574 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:41:58,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:41:58,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1681007897, now seen corresponding path program 1 times [2019-09-08 18:41:58,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:41:58,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:41:58,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:58,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:41:58,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:41:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:41:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:41:59,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:41:59,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:41:59,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:41:59,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:41:59,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:41:59,533 INFO L87 Difference]: Start difference. First operand 30040 states and 41171 transitions. Second operand 5 states. [2019-09-08 18:42:08,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:42:08,560 INFO L93 Difference]: Finished difference Result 69984 states and 97425 transitions. [2019-09-08 18:42:08,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:42:08,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 493 [2019-09-08 18:42:08,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:42:10,241 INFO L225 Difference]: With dead ends: 69984 [2019-09-08 18:42:10,241 INFO L226 Difference]: Without dead ends: 40046 [2019-09-08 18:42:10,342 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:42:10,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40046 states. [2019-09-08 18:42:12,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40046 to 40026. [2019-09-08 18:42:12,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40026 states. [2019-09-08 18:42:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40026 states to 40026 states and 55212 transitions. [2019-09-08 18:42:12,224 INFO L78 Accepts]: Start accepts. Automaton has 40026 states and 55212 transitions. Word has length 493 [2019-09-08 18:42:12,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:42:12,226 INFO L475 AbstractCegarLoop]: Abstraction has 40026 states and 55212 transitions. [2019-09-08 18:42:12,226 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:42:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 40026 states and 55212 transitions. [2019-09-08 18:42:12,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2019-09-08 18:42:12,240 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:42:12,240 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2019-09-08 18:42:12,241 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:42:12,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:42:12,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1889538985, now seen corresponding path program 1 times [2019-09-08 18:42:12,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:42:12,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:42:12,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:12,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:42:12,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:42:12,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:42:12,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:42:12,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:42:12,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:42:12,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:42:12,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:42:12,940 INFO L87 Difference]: Start difference. First operand 40026 states and 55212 transitions. Second operand 5 states. [2019-09-08 18:42:23,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:42:23,402 INFO L93 Difference]: Finished difference Result 89928 states and 125815 transitions. [2019-09-08 18:42:23,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:42:23,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 494 [2019-09-08 18:42:23,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:42:23,715 INFO L225 Difference]: With dead ends: 89928 [2019-09-08 18:42:23,715 INFO L226 Difference]: Without dead ends: 50004 [2019-09-08 18:42:23,877 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:42:23,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50004 states. [2019-09-08 18:42:27,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50004 to 49976. [2019-09-08 18:42:27,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49976 states. [2019-09-08 18:42:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49976 states to 49976 states and 68973 transitions. [2019-09-08 18:42:27,856 INFO L78 Accepts]: Start accepts. Automaton has 49976 states and 68973 transitions. Word has length 494 [2019-09-08 18:42:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:42:27,858 INFO L475 AbstractCegarLoop]: Abstraction has 49976 states and 68973 transitions. [2019-09-08 18:42:27,858 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:42:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 49976 states and 68973 transitions. [2019-09-08 18:42:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2019-09-08 18:42:27,872 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:42:27,872 INFO L399 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 32, 32, 32, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:42:27,873 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:42:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:42:27,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1986686989, now seen corresponding path program 1 times [2019-09-08 18:42:27,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:42:27,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:42:27,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:27,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:42:27,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:42:28,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4160 trivial. 0 not checked. [2019-09-08 18:42:28,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:42:28,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:42:28,389 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:42:28,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:42:28,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:42:28,389 INFO L87 Difference]: Start difference. First operand 49976 states and 68973 transitions. Second operand 3 states. [2019-09-08 18:42:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:42:30,981 INFO L93 Difference]: Finished difference Result 134622 states and 183528 transitions. [2019-09-08 18:42:30,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:42:30,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 517 [2019-09-08 18:42:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:42:31,432 INFO L225 Difference]: With dead ends: 134622 [2019-09-08 18:42:31,432 INFO L226 Difference]: Without dead ends: 84748 [2019-09-08 18:42:31,609 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 18:42:31,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84748 states. [2019-09-08 18:42:36,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84748 to 84718. [2019-09-08 18:42:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84718 states. [2019-09-08 18:42:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84718 states to 84718 states and 114647 transitions. [2019-09-08 18:42:36,703 INFO L78 Accepts]: Start accepts. Automaton has 84718 states and 114647 transitions. Word has length 517 [2019-09-08 18:42:36,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:42:36,704 INFO L475 AbstractCegarLoop]: Abstraction has 84718 states and 114647 transitions. [2019-09-08 18:42:36,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:42:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 84718 states and 114647 transitions. [2019-09-08 18:42:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2019-09-08 18:42:36,735 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:42:36,735 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:36,736 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:42:36,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:42:36,736 INFO L82 PathProgramCache]: Analyzing trace with hash 318167720, now seen corresponding path program 1 times [2019-09-08 18:42:36,736 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:42:36,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:42:36,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:36,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:42:36,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:42:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6120 trivial. 0 not checked. [2019-09-08 18:42:37,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:42:37,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:42:37,370 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:42:37,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:42:37,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:42:37,371 INFO L87 Difference]: Start difference. First operand 84718 states and 114647 transitions. Second operand 3 states. [2019-09-08 18:42:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:42:42,332 INFO L93 Difference]: Finished difference Result 212608 states and 287934 transitions. [2019-09-08 18:42:42,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:42:42,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 641 [2019-09-08 18:42:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:42:42,980 INFO L225 Difference]: With dead ends: 212608 [2019-09-08 18:42:42,980 INFO L226 Difference]: Without dead ends: 127992 [2019-09-08 18:42:43,226 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 18:42:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127992 states. [2019-09-08 18:42:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127992 to 127611. [2019-09-08 18:42:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127611 states. [2019-09-08 18:42:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127611 states to 127611 states and 172323 transitions. [2019-09-08 18:42:50,393 INFO L78 Accepts]: Start accepts. Automaton has 127611 states and 172323 transitions. Word has length 641 [2019-09-08 18:42:50,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:42:50,394 INFO L475 AbstractCegarLoop]: Abstraction has 127611 states and 172323 transitions. [2019-09-08 18:42:50,394 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:42:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 127611 states and 172323 transitions. [2019-09-08 18:42:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2019-09-08 18:42:50,445 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:42:50,446 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:50,446 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:42:50,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:42:50,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1403045409, now seen corresponding path program 1 times [2019-09-08 18:42:50,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:42:50,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:42:50,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:50,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:42:50,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:42:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:42:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6131 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6123 trivial. 0 not checked. [2019-09-08 18:42:51,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:42:51,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:42:51,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:42:51,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:42:51,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:42:51,096 INFO L87 Difference]: Start difference. First operand 127611 states and 172323 transitions. Second operand 3 states. [2019-09-08 18:42:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:42:57,092 INFO L93 Difference]: Finished difference Result 298374 states and 403246 transitions. [2019-09-08 18:42:57,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:42:57,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 654 [2019-09-08 18:42:57,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:42:57,844 INFO L225 Difference]: With dead ends: 298374 [2019-09-08 18:42:57,844 INFO L226 Difference]: Without dead ends: 170865 [2019-09-08 18:42:58,100 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 18:43:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170865 states. [2019-09-08 18:43:06,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170865 to 170445. [2019-09-08 18:43:06,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170445 states. [2019-09-08 18:43:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170445 states to 170445 states and 229935 transitions. [2019-09-08 18:43:07,905 INFO L78 Accepts]: Start accepts. Automaton has 170445 states and 229935 transitions. Word has length 654 [2019-09-08 18:43:07,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:43:07,906 INFO L475 AbstractCegarLoop]: Abstraction has 170445 states and 229935 transitions. [2019-09-08 18:43:07,906 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:43:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 170445 states and 229935 transitions. [2019-09-08 18:43:07,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2019-09-08 18:43:07,947 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:43:07,948 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:07,948 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:43:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:43:07,949 INFO L82 PathProgramCache]: Analyzing trace with hash 469761212, now seen corresponding path program 1 times [2019-09-08 18:43:07,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:43:07,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:43:07,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:07,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:43:07,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:43:08,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6131 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6125 trivial. 0 not checked. [2019-09-08 18:43:08,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:43:08,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 18:43:08,778 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:43:08,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:43:08,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:43:08,779 INFO L87 Difference]: Start difference. First operand 170445 states and 229935 transitions. Second operand 6 states. [2019-09-08 18:43:20,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:43:20,267 INFO L93 Difference]: Finished difference Result 341033 states and 460033 transitions. [2019-09-08 18:43:20,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 18:43:20,268 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 653 [2019-09-08 18:43:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:43:20,888 INFO L225 Difference]: With dead ends: 341033 [2019-09-08 18:43:20,888 INFO L226 Difference]: Without dead ends: 170570 [2019-09-08 18:43:21,162 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 18:43:21,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170570 states. [2019-09-08 18:43:25,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170570 to 170508. [2019-09-08 18:43:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170508 states. [2019-09-08 18:43:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170508 states to 170508 states and 229978 transitions. [2019-09-08 18:43:25,895 INFO L78 Accepts]: Start accepts. Automaton has 170508 states and 229978 transitions. Word has length 653 [2019-09-08 18:43:25,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:43:25,896 INFO L475 AbstractCegarLoop]: Abstraction has 170508 states and 229978 transitions. [2019-09-08 18:43:25,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:43:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 170508 states and 229978 transitions. [2019-09-08 18:43:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2019-09-08 18:43:25,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:43:25,934 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:25,934 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:43:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:43:25,935 INFO L82 PathProgramCache]: Analyzing trace with hash 412895866, now seen corresponding path program 1 times [2019-09-08 18:43:25,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:43:25,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:43:25,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:25,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:43:25,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:43:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 6131 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6123 trivial. 0 not checked. [2019-09-08 18:43:30,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:43:30,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:43:30,691 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:43:30,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:43:30,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:43:30,692 INFO L87 Difference]: Start difference. First operand 170508 states and 229978 transitions. Second operand 5 states. [2019-09-08 18:43:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:43:37,733 INFO L93 Difference]: Finished difference Result 389726 states and 525812 transitions. [2019-09-08 18:43:37,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:43:37,734 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 653 [2019-09-08 18:43:37,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:43:38,614 INFO L225 Difference]: With dead ends: 389726 [2019-09-08 18:43:38,614 INFO L226 Difference]: Without dead ends: 219320 [2019-09-08 18:43:38,929 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:43:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219320 states. [2019-09-08 18:43:44,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219320 to 170588. [2019-09-08 18:43:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170588 states. [2019-09-08 18:43:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170588 states to 170588 states and 230058 transitions. [2019-09-08 18:43:52,044 INFO L78 Accepts]: Start accepts. Automaton has 170588 states and 230058 transitions. Word has length 653 [2019-09-08 18:43:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:43:52,045 INFO L475 AbstractCegarLoop]: Abstraction has 170588 states and 230058 transitions. [2019-09-08 18:43:52,045 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:43:52,045 INFO L276 IsEmpty]: Start isEmpty. Operand 170588 states and 230058 transitions. [2019-09-08 18:43:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2019-09-08 18:43:52,079 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:43:52,080 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:52,080 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:43:52,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:43:52,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1717783644, now seen corresponding path program 1 times [2019-09-08 18:43:52,081 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:43:52,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:43:52,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:52,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:43:52,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:43:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:43:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6123 trivial. 0 not checked. [2019-09-08 18:43:53,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:43:53,189 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 18:43:53,190 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 18:43:53,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 18:43:53,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:43:53,191 INFO L87 Difference]: Start difference. First operand 170588 states and 230058 transitions. Second operand 11 states. [2019-09-08 18:43:58,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:43:58,845 INFO L93 Difference]: Finished difference Result 342034 states and 461375 transitions. [2019-09-08 18:43:58,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 18:43:58,846 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 669 [2019-09-08 18:43:58,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:44:00,260 INFO L225 Difference]: With dead ends: 342034 [2019-09-08 18:44:00,260 INFO L226 Difference]: Without dead ends: 171548 [2019-09-08 18:44:00,570 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:44:00,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171548 states. [2019-09-08 18:44:11,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171548 to 170888. [2019-09-08 18:44:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170888 states. [2019-09-08 18:44:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170888 states to 170888 states and 230478 transitions. [2019-09-08 18:44:12,042 INFO L78 Accepts]: Start accepts. Automaton has 170888 states and 230478 transitions. Word has length 669 [2019-09-08 18:44:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:44:12,043 INFO L475 AbstractCegarLoop]: Abstraction has 170888 states and 230478 transitions. [2019-09-08 18:44:12,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 18:44:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 170888 states and 230478 transitions. [2019-09-08 18:44:12,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 670 [2019-09-08 18:44:12,077 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:44:12,078 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:12,078 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:44:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:44:12,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1293272485, now seen corresponding path program 1 times [2019-09-08 18:44:12,079 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:44:12,079 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:44:12,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:44:12,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:44:12,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:44:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:44:14,014 INFO L134 CoverageAnalysis]: Checked inductivity of 6123 backedges. 7 proven. 35 refuted. 0 times theorem prover too weak. 6081 trivial. 0 not checked. [2019-09-08 18:44:14,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:44:14,015 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 18:44:14,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:44:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:44:27,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:44:27,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 18:44:27,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:44:27,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:44:27,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:44:27,349 INFO L87 Difference]: Start difference. First operand 170888 states and 230478 transitions. Second operand 6 states. [2019-09-08 18:44:32,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:44:32,344 INFO L93 Difference]: Finished difference Result 341945 states and 472827 transitions. [2019-09-08 18:44:32,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:44:32,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 669 [2019-09-08 18:44:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:44:33,033 INFO L225 Difference]: With dead ends: 341945 [2019-09-08 18:44:33,034 INFO L226 Difference]: Without dead ends: 171133 [2019-09-08 18:44:34,465 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 18:44:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171133 states. [2019-09-08 18:44:44,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171133 to 171133. [2019-09-08 18:44:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171133 states. [2019-09-08 18:44:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171133 states to 171133 states and 231484 transitions. [2019-09-08 18:44:45,524 INFO L78 Accepts]: Start accepts. Automaton has 171133 states and 231484 transitions. Word has length 669 [2019-09-08 18:44:45,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:44:45,525 INFO L475 AbstractCegarLoop]: Abstraction has 171133 states and 231484 transitions. [2019-09-08 18:44:45,525 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:44:45,525 INFO L276 IsEmpty]: Start isEmpty. Operand 171133 states and 231484 transitions. [2019-09-08 18:44:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2019-09-08 18:44:45,565 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:44:45,566 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:45,566 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:44:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:44:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 396265019, now seen corresponding path program 1 times [2019-09-08 18:44:45,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:44:45,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:44:45,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:44:45,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:44:45,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:44:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:44:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6132 trivial. 0 not checked. [2019-09-08 18:44:48,188 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:44:48,188 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) [2019-09-08 18:44:48,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:45:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 18:45:01,443 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:45:01,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 18:45:01,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 18:45:01,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 18:45:01,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 18:45:01,445 INFO L87 Difference]: Start difference. First operand 171133 states and 231484 transitions. Second operand 6 states. [2019-09-08 18:45:12,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:45:12,128 INFO L93 Difference]: Finished difference Result 342190 states and 462858 transitions. [2019-09-08 18:45:12,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:45:12,128 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 675 [2019-09-08 18:45:12,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:45:12,727 INFO L225 Difference]: With dead ends: 342190 [2019-09-08 18:45:12,727 INFO L226 Difference]: Without dead ends: 171133 [2019-09-08 18:45:13,007 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 18:45:13,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171133 states. [2019-09-08 18:45:17,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171133 to 171133. [2019-09-08 18:45:17,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171133 states. [2019-09-08 18:45:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171133 states to 171133 states and 231483 transitions. [2019-09-08 18:45:18,630 INFO L78 Accepts]: Start accepts. Automaton has 171133 states and 231483 transitions. Word has length 675 [2019-09-08 18:45:18,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:45:18,631 INFO L475 AbstractCegarLoop]: Abstraction has 171133 states and 231483 transitions. [2019-09-08 18:45:18,631 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 18:45:18,631 INFO L276 IsEmpty]: Start isEmpty. Operand 171133 states and 231483 transitions. [2019-09-08 18:45:18,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2019-09-08 18:45:18,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:45:18,656 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:18,656 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:45:18,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:45:18,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1867412711, now seen corresponding path program 2 times [2019-09-08 18:45:18,657 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:45:18,657 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:45:18,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:45:18,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:45:18,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:45:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:45:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6193 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 6132 trivial. 0 not checked. [2019-09-08 18:45:20,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:45:20,062 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) [2019-09-08 18:45:20,086 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:45:45,199 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 18:45:45,199 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:45:45,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:45:45,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 18:45:45,425 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:45:45,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:45:45,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:45:45,426 INFO L87 Difference]: Start difference. First operand 171133 states and 231483 transitions. Second operand 7 states. [2019-09-08 18:45:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:45:53,907 INFO L93 Difference]: Finished difference Result 342430 states and 474827 transitions. [2019-09-08 18:45:53,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 18:45:53,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 676 [2019-09-08 18:45:53,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:45:54,511 INFO L225 Difference]: With dead ends: 342430 [2019-09-08 18:45:54,511 INFO L226 Difference]: Without dead ends: 171373 [2019-09-08 18:45:54,831 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-08 18:45:54,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171373 states. [2019-09-08 18:46:00,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171373 to 171215. [2019-09-08 18:46:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171215 states. [2019-09-08 18:46:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171215 states to 171215 states and 231653 transitions. [2019-09-08 18:46:00,647 INFO L78 Accepts]: Start accepts. Automaton has 171215 states and 231653 transitions. Word has length 676 [2019-09-08 18:46:00,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:46:00,648 INFO L475 AbstractCegarLoop]: Abstraction has 171215 states and 231653 transitions. [2019-09-08 18:46:00,648 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:46:00,648 INFO L276 IsEmpty]: Start isEmpty. Operand 171215 states and 231653 transitions. [2019-09-08 18:46:00,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2019-09-08 18:46:00,672 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:46:00,673 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 8, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:00,673 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:46:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:46:00,674 INFO L82 PathProgramCache]: Analyzing trace with hash 973021691, now seen corresponding path program 3 times [2019-09-08 18:46:00,674 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:46:00,674 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:46:00,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:46:00,676 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:46:00,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:46:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:46:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6207 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 6132 trivial. 0 not checked. [2019-09-08 18:46:06,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:46:06,751 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 18:46:06,792 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:47:50,488 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2019-09-08 18:47:50,488 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 18:47:50,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 4797 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 18:47:50,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:47:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6207 backedges. 1854 proven. 1 refuted. 0 times theorem prover too weak. 4352 trivial. 0 not checked. [2019-09-08 18:47:51,148 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 18:47:51,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 12 [2019-09-08 18:47:51,152 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 18:47:51,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 18:47:51,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-08 18:47:51,153 INFO L87 Difference]: Start difference. First operand 171215 states and 231653 transitions. Second operand 12 states. [2019-09-08 18:47:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:47:55,879 INFO L93 Difference]: Finished difference Result 342755 states and 476006 transitions. [2019-09-08 18:47:55,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 18:47:55,879 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 677 [2019-09-08 18:47:55,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:47:57,627 INFO L225 Difference]: With dead ends: 342755 [2019-09-08 18:47:57,628 INFO L226 Difference]: Without dead ends: 171613 [2019-09-08 18:47:58,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 674 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2019-09-08 18:47:58,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171613 states. [2019-09-08 18:48:04,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171613 to 171295. [2019-09-08 18:48:04,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171295 states. [2019-09-08 18:48:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171295 states to 171295 states and 231813 transitions. [2019-09-08 18:48:05,004 INFO L78 Accepts]: Start accepts. Automaton has 171295 states and 231813 transitions. Word has length 677 [2019-09-08 18:48:05,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:48:05,005 INFO L475 AbstractCegarLoop]: Abstraction has 171295 states and 231813 transitions. [2019-09-08 18:48:05,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 18:48:05,005 INFO L276 IsEmpty]: Start isEmpty. Operand 171295 states and 231813 transitions. [2019-09-08 18:48:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 685 [2019-09-08 18:48:05,100 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:48:05,101 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 15, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:05,101 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:48:05,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:48:05,102 INFO L82 PathProgramCache]: Analyzing trace with hash 781013507, now seen corresponding path program 4 times [2019-09-08 18:48:05,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:48:05,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:48:05,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:48:05,106 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:48:05,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:48:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:48:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6333 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 6219 trivial. 0 not checked. [2019-09-08 18:48:12,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:48:12,110 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 18:48:12,146 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 18:48:25,222 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 18:48:25,222 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 18:48:25,466 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:48:25,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 18:48:25,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 18:48:25,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 18:48:25,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 18:48:25,468 INFO L87 Difference]: Start difference. First operand 171295 states and 231813 transitions. Second operand 9 states. [2019-09-08 18:48:30,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:48:30,144 INFO L93 Difference]: Finished difference Result 343072 states and 477158 transitions. [2019-09-08 18:48:30,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 18:48:30,144 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 684 [2019-09-08 18:48:30,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:48:31,020 INFO L225 Difference]: With dead ends: 343072 [2019-09-08 18:48:31,020 INFO L226 Difference]: Without dead ends: 171853 [2019-09-08 18:48:31,367 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-09-08 18:48:31,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171853 states. [2019-09-08 18:48:36,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171853 to 171375. [2019-09-08 18:48:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171375 states. [2019-09-08 18:48:36,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171375 states to 171375 states and 231973 transitions. [2019-09-08 18:48:36,955 INFO L78 Accepts]: Start accepts. Automaton has 171375 states and 231973 transitions. Word has length 684 [2019-09-08 18:48:36,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:48:36,956 INFO L475 AbstractCegarLoop]: Abstraction has 171375 states and 231973 transitions. [2019-09-08 18:48:36,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 18:48:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 171375 states and 231973 transitions. [2019-09-08 18:48:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2019-09-08 18:48:36,992 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:48:36,992 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 16, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:48:36,992 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:48:36,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:48:36,993 INFO L82 PathProgramCache]: Analyzing trace with hash 944695013, now seen corresponding path program 5 times [2019-09-08 18:48:36,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:48:36,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:48:36,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:48:36,997 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:48:36,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:48:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:48:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6355 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 6219 trivial. 0 not checked. [2019-09-08 18:48:43,780 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:48:43,780 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 18:48:43,818 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 18:49:00,036 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2019-09-08 18:49:00,036 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 18:49:00,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-08 18:49:00,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:49:00,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6355 backedges. 2013 proven. 3 refuted. 0 times theorem prover too weak. 4339 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 18:49:00,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 18:49:00,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 15 [2019-09-08 18:49:00,498 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 18:49:00,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 18:49:00,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2019-09-08 18:49:00,499 INFO L87 Difference]: Start difference. First operand 171375 states and 231973 transitions. Second operand 15 states. [2019-09-08 18:49:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:05,453 INFO L93 Difference]: Finished difference Result 343395 states and 478327 transitions. [2019-09-08 18:49:05,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 18:49:05,454 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 685 [2019-09-08 18:49:05,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:06,096 INFO L225 Difference]: With dead ends: 343395 [2019-09-08 18:49:06,096 INFO L226 Difference]: Without dead ends: 172093 [2019-09-08 18:49:06,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2019-09-08 18:49:06,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172093 states. [2019-09-08 18:49:11,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172093 to 171455. [2019-09-08 18:49:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171455 states. [2019-09-08 18:49:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171455 states to 171455 states and 232133 transitions. [2019-09-08 18:49:11,792 INFO L78 Accepts]: Start accepts. Automaton has 171455 states and 232133 transitions. Word has length 685 [2019-09-08 18:49:11,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:11,793 INFO L475 AbstractCegarLoop]: Abstraction has 171455 states and 232133 transitions. [2019-09-08 18:49:11,793 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 18:49:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 171455 states and 232133 transitions. [2019-09-08 18:49:11,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2019-09-08 18:49:11,818 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:11,818 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 39, 39, 39, 39, 23, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:11,819 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:11,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:11,819 INFO L82 PathProgramCache]: Analyzing trace with hash 293339097, now seen corresponding path program 6 times [2019-09-08 18:49:11,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:11,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:11,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:11,822 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 18:49:11,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:18,341 INFO L134 CoverageAnalysis]: Checked inductivity of 6537 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 6342 trivial. 0 not checked. [2019-09-08 18:49:18,342 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:49:18,342 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 18:49:18,369 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-08 18:53:11,949 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 20 check-sat command(s) [2019-09-08 18:53:11,949 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 18:53:12,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 5531 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 18:53:12,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:53:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6537 backedges. 1932 proven. 6 refuted. 0 times theorem prover too weak. 4599 trivial. 0 not checked. [2019-09-08 18:53:12,833 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 18:53:12,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2019-09-08 18:53:12,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-08 18:53:12,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-08 18:53:12,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2019-09-08 18:53:12,836 INFO L87 Difference]: Start difference. First operand 171455 states and 232133 transitions. Second operand 17 states.