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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 17:00:48,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 17:00:48,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 17:00:48,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 17:00:48,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 17:00:48,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 17:00:48,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 17:00:48,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 17:00:48,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 17:00:48,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 17:00:48,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 17:00:48,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 17:00:48,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 17:00:48,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 17:00:48,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 17:00:48,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 17:00:48,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 17:00:48,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 17:00:48,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 17:00:48,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 17:00:48,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 17:00:48,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 17:00:48,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 17:00:48,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 17:00:48,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 17:00:48,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 17:00:48,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 17:00:48,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 17:00:48,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 17:00:48,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 17:00:48,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 17:00:48,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 17:00:48,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 17:00:48,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 17:00:48,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 17:00:48,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 17:00:48,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 17:00:48,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 17:00:48,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 17:00:48,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 17:00:48,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 17:00:48,124 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 17:00:48,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 17:00:48,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 17:00:48,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 17:00:48,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 17:00:48,150 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 17:00:48,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 17:00:48,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 17:00:48,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 17:00:48,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 17:00:48,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 17:00:48,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 17:00:48,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 17:00:48,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 17:00:48,152 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 17:00:48,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 17:00:48,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 17:00:48,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 17:00:48,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 17:00:48,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 17:00:48,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 17:00:48,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 17:00:48,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:00:48,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 17:00:48,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 17:00:48,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 17:00:48,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 17:00:48,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 17:00:48,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 17:00:48,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 17:00:48,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 17:00:48,222 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 17:00:48,226 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 17:00:48,227 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 17:00:48,228 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 17:00:48,228 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2019-09-08 17:00:48,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310cd9f5b/46326b03c64343b7b3ac4e34db8f9cb3/FLAG189396955 [2019-09-08 17:00:49,143 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 17:00:49,146 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2019-09-08 17:00:49,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310cd9f5b/46326b03c64343b7b3ac4e34db8f9cb3/FLAG189396955 [2019-09-08 17:00:49,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/310cd9f5b/46326b03c64343b7b3ac4e34db8f9cb3 [2019-09-08 17:00:49,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 17:00:49,582 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 17:00:49,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 17:00:49,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 17:00:49,588 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 17:00:49,589 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:00:49" (1/1) ... [2019-09-08 17:00:49,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9808a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:49, skipping insertion in model container [2019-09-08 17:00:49,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:00:49" (1/1) ... [2019-09-08 17:00:49,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 17:00:49,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 17:00:50,474 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5966] [2019-09-08 17:00:50,474 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5967-5968] [2019-09-08 17:00:52,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:00:52,930 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 17:00:53,109 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5966] [2019-09-08 17:00:53,110 WARN L1127 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5967-5968] [2019-09-08 17:00:53,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:00:54,442 INFO L192 MainTranslator]: Completed translation [2019-09-08 17:00:54,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54 WrapperNode [2019-09-08 17:00:54,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 17:00:54,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 17:00:54,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 17:00:54,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 17:00:54,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:54,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (1/1) ... [2019-09-08 17:00:55,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 17:00:55,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 17:00:55,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 17:00:55,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 17:00:55,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (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 17:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 17:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 17:00:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 17:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 17:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 17:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 17:00:55,116 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-08 17:00:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 17:00:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-08 17:00:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-08 17:00:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 17:00:55,117 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 17:00:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 17:00:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-08 17:00:55,118 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2019-09-08 17:00:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2019-09-08 17:00:55,119 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-09-08 17:00:55,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2019-09-08 17:00:55,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 17:00:55,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-08 17:00:55,123 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 17:00:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 17:00:55,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-09-08 17:00:55,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-08 17:00:55,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2net [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dev2ser [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_sysfs_show_porttype [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_urb_to_index [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_to_port [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_port_to_mux [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_by_shared_int_and_type [2019-09-08 17:00:55,128 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_by_index [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_serial_index [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_by_index [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_usb_error [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_open [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_close [2019-09-08 17:00:55,129 INFO L138 BoogieDeclarations]: Found implementation of procedure write_bulk_callback [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_start_xmit [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_tx_timeout [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure packetizeRx [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_crc_bug [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_init_termios [2019-09-08 17:00:55,130 INFO L138 BoogieDeclarations]: Found implementation of procedure _hso_serial_set_termios [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resubmit_rx_bulk_urb [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_bulk_urb [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_std_serial_read_bulk_callback [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_tasklet [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle [2019-09-08 17:00:55,131 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_unthrottle_workfunc [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_open [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_close [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_write_room [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_set_termios [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_chars_in_buffer [2019-09-08 17:00:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_submit_urb [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget_intr_callback [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_wait_modem_status [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_count [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmget [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_tiocmset [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ioctl [2019-09-08 17:00:55,133 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_kick_transmit [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure mux_device_request [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_read [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_serial_write_data [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_std_serial_write_bulk_callback [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_std_serial_write_data [2019-09-08 17:00:55,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_callback [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rxbuf_data [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_log_port [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_net_device [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_net_device [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_start_serial_device [2019-09-08 17:00:55,135 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_stop_serial_device [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_free [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_common_create [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_device [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_net_device [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_net_device [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_net_init [2019-09-08 17:00:55,136 INFO L138 BoogieDeclarations]: Found implementation of procedure add_net_device [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_rfkill_set_block [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_rfkill [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_net_device [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_tiomget [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_serial_device [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_bulk_serial_device [2019-09-08 17:00:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_mux_serial_device [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_shared_int [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_create_shared_int [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_config_data [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_probe [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_disconnect [2019-09-08 17:00:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure async_get_intf [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure async_put_intf [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_activity [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_put_activity [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_suspend [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_resume [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_device [2019-09-08 17:00:55,139 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_serial_ref_free [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_free_interface [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_ep [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_get_mux_ports [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_mux_submit_intr_urb [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_init [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure hso_exit [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2019-09-08 17:00:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_2 [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 17:00:55,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2019-09-08 17:00:55,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2019-09-08 17:00:55,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_39 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_42 [2019-09-08 17:00:55,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_43 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_44 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_45 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_46 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_47 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_48 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_49 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_50 [2019-09-08 17:00:55,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_51 [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_52 [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-09-08 17:00:55,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 17:00:55,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_hi_schedule [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 17:00:55,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 17:00:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_op_get_link [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2019-09-08 17:00:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2019-09-08 17:00:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_alloc [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_destroy [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_register [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rfkill_unregister [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-08 17:00:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-08 17:00:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_set [2019-09-08 17:00:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_encode_baud_rate [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 17:00:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 17:00:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_lock_device_for_reset [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-09-08 17:00:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 17:00:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 17:00:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 17:00:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 17:00:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 17:00:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-08 17:00:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 17:00:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 17:00:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2019-09-08 17:00:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 17:00:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-09-08 17:00:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-08 17:00:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-08 17:00:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 17:00:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 17:00:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 17:00:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 17:00:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-08 17:00:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_2 [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-08 17:00:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-09-08 17:00:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2019-09-08 17:00:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-08 17:00:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_op_get_link [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_hi_schedule [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 17:00:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_44 [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 17:00:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_45 [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_43 [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2019-09-08 17:00:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_lock_device_for_reset [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-09-08 17:00:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_51 [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_52 [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 17:00:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_42 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_46 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_47 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_48 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_49 [2019-09-08 17:00:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2019-09-08 17:00:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_39 [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_50 [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 17:00:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-09-08 17:00:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_encode_baud_rate [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2019-09-08 17:00:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_set [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-08 17:00:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_alloc [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_register [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_unregister [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure rfkill_destroy [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmset [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_callback [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure hso_kick_transmit [2019-09-08 17:00:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_submit_intr_urb [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure handle_usb_error [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_ep [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_mux_ports [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_interface [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_serial_device [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_serial_device [2019-09-08 17:00:55,188 INFO L130 BoogieDeclarations]: Found specification of procedure hso_start_net_device [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_shared_int [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure hso_stop_net_device [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ref_free [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure hso_std_serial_read_bulk_callback [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_read [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure async_get_intf [2019-09-08 17:00:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure async_put_intf [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure hso_put_activity [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_activity [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_intr_callback [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure reset_device [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure dev2net [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure dev2ser [2019-09-08 17:00:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure hso_sysfs_show_porttype [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure hso_urb_to_index [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_to_port [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure hso_port_to_mux [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_by_shared_int_and_type [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_by_index [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_serial_index [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_by_index [2019-09-08 17:00:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_open [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_close [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure write_bulk_callback [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_start_xmit [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_tx_timeout [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure packetizeRx [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure fix_crc_bug [2019-09-08 17:00:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure hso_init_termios [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure _hso_serial_set_termios [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resubmit_rx_bulk_urb [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_bulk_urb [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure put_rxbuf_data_and_resubmit_ctrl_urb [2019-09-08 17:00:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_tasklet [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_unthrottle_workfunc [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_open [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_close [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_write_room [2019-09-08 17:00:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_set_termios [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_chars_in_buffer [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget_submit_urb [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure hso_wait_modem_status [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_count [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_tiocmget [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_ioctl [2019-09-08 17:00:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure mux_device_request [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_mux_serial_write_data [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_std_serial_write_bulk_callback [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_std_serial_write_data [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_log_port [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_free [2019-09-08 17:00:55,196 INFO L130 BoogieDeclarations]: Found specification of procedure hso_serial_common_create [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_device [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure remove_net_device [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_net_device [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure hso_net_init [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure add_net_device [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure hso_rfkill_set_block [2019-09-08 17:00:55,197 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_rfkill [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_net_device [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_tiomget [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_free_serial_device [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_bulk_serial_device [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_mux_serial_device [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_create_shared_int [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_get_config_data [2019-09-08 17:00:55,198 INFO L130 BoogieDeclarations]: Found specification of procedure hso_probe [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure hso_disconnect [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure hso_suspend [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure hso_resume [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure hso_init [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure hso_exit [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 17:00:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 17:00:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 17:00:55,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 17:00:59,706 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 17:01:14,668 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 17:01:14,668 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 17:01:14,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:01:14 BoogieIcfgContainer [2019-09-08 17:01:14,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 17:01:14,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 17:01:14,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 17:01:14,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 17:01:14,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:00:49" (1/3) ... [2019-09-08 17:01:14,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fced2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:01:14, skipping insertion in model container [2019-09-08 17:01:14,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:00:54" (2/3) ... [2019-09-08 17:01:14,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fced2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:01:14, skipping insertion in model container [2019-09-08 17:01:14,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:01:14" (3/3) ... [2019-09-08 17:01:14,679 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--usb--hso.ko-entry_point.cil.out.i [2019-09-08 17:01:14,688 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 17:01:14,704 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 17:01:14,721 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 17:01:14,767 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 17:01:14,768 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 17:01:14,768 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 17:01:14,768 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 17:01:14,768 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 17:01:14,769 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 17:01:14,769 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 17:01:14,769 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 17:01:14,769 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 17:01:14,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states. [2019-09-08 17:01:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-08 17:01:14,847 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:14,848 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-09-08 17:01:14,850 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:14,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:14,856 INFO L82 PathProgramCache]: Analyzing trace with hash -559784581, now seen corresponding path program 1 times [2019-09-08 17:01:14,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:14,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:14,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:14,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:14,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-09-08 17:01:15,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:15,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:15,942 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:15,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:15,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:15,959 INFO L87 Difference]: Start difference. First operand 2672 states. Second operand 3 states. [2019-09-08 17:01:17,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:17,199 INFO L93 Difference]: Finished difference Result 7191 states and 9870 transitions. [2019-09-08 17:01:17,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:17,201 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2019-09-08 17:01:17,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:17,264 INFO L225 Difference]: With dead ends: 7191 [2019-09-08 17:01:17,264 INFO L226 Difference]: Without dead ends: 4551 [2019-09-08 17:01:17,289 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 17:01:17,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4551 states. [2019-09-08 17:01:17,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4551 to 4541. [2019-09-08 17:01:17,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4541 states. [2019-09-08 17:01:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 6106 transitions. [2019-09-08 17:01:17,647 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 6106 transitions. Word has length 106 [2019-09-08 17:01:17,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:17,648 INFO L475 AbstractCegarLoop]: Abstraction has 4541 states and 6106 transitions. [2019-09-08 17:01:17,648 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:17,648 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 6106 transitions. [2019-09-08 17:01:17,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-08 17:01:17,673 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:17,674 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2019-09-08 17:01:17,674 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash -993256253, now seen corresponding path program 1 times [2019-09-08 17:01:17,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:17,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:17,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:17,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:17,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-09-08 17:01:18,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:18,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:18,128 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:18,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:18,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:18,129 INFO L87 Difference]: Start difference. First operand 4541 states and 6106 transitions. Second operand 3 states. [2019-09-08 17:01:19,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:19,321 INFO L93 Difference]: Finished difference Result 13387 states and 18022 transitions. [2019-09-08 17:01:19,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:19,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-09-08 17:01:19,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:19,388 INFO L225 Difference]: With dead ends: 13387 [2019-09-08 17:01:19,388 INFO L226 Difference]: Without dead ends: 8879 [2019-09-08 17:01:19,411 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 17:01:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8879 states. [2019-09-08 17:01:19,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8879 to 8841. [2019-09-08 17:01:19,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8841 states. [2019-09-08 17:01:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 11917 transitions. [2019-09-08 17:01:19,933 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 11917 transitions. Word has length 149 [2019-09-08 17:01:19,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:19,934 INFO L475 AbstractCegarLoop]: Abstraction has 8841 states and 11917 transitions. [2019-09-08 17:01:19,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:19,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 11917 transitions. [2019-09-08 17:01:19,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-08 17:01:19,941 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:19,941 INFO L399 BasicCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:19,942 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:19,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:19,942 INFO L82 PathProgramCache]: Analyzing trace with hash -2113132556, now seen corresponding path program 1 times [2019-09-08 17:01:19,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:19,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:19,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:19,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:19,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-09-08 17:01:20,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:20,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:20,356 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:20,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:20,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:20,357 INFO L87 Difference]: Start difference. First operand 8841 states and 11917 transitions. Second operand 3 states. [2019-09-08 17:01:21,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:21,797 INFO L93 Difference]: Finished difference Result 22406 states and 30081 transitions. [2019-09-08 17:01:21,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:21,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-08 17:01:21,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:21,888 INFO L225 Difference]: With dead ends: 22406 [2019-09-08 17:01:21,888 INFO L226 Difference]: Without dead ends: 13598 [2019-09-08 17:01:21,927 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 17:01:21,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13598 states. [2019-09-08 17:01:22,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13598 to 13595. [2019-09-08 17:01:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13595 states. [2019-09-08 17:01:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13595 states to 13595 states and 18203 transitions. [2019-09-08 17:01:22,533 INFO L78 Accepts]: Start accepts. Automaton has 13595 states and 18203 transitions. Word has length 165 [2019-09-08 17:01:22,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:22,534 INFO L475 AbstractCegarLoop]: Abstraction has 13595 states and 18203 transitions. [2019-09-08 17:01:22,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13595 states and 18203 transitions. [2019-09-08 17:01:22,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-09-08 17:01:22,539 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:22,540 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:22,540 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:22,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:22,540 INFO L82 PathProgramCache]: Analyzing trace with hash -2104143132, now seen corresponding path program 1 times [2019-09-08 17:01:22,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:22,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:22,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:22,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:22,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2019-09-08 17:01:23,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:23,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:23,061 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:23,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:23,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:23,062 INFO L87 Difference]: Start difference. First operand 13595 states and 18203 transitions. Second operand 3 states. [2019-09-08 17:01:23,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:23,675 INFO L93 Difference]: Finished difference Result 27160 states and 36384 transitions. [2019-09-08 17:01:23,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:23,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2019-09-08 17:01:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:23,759 INFO L225 Difference]: With dead ends: 27160 [2019-09-08 17:01:23,760 INFO L226 Difference]: Without dead ends: 13611 [2019-09-08 17:01:23,813 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 17:01:23,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13611 states. [2019-09-08 17:01:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13611 to 13603. [2019-09-08 17:01:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13603 states. [2019-09-08 17:01:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13603 states to 13603 states and 18211 transitions. [2019-09-08 17:01:24,477 INFO L78 Accepts]: Start accepts. Automaton has 13603 states and 18211 transitions. Word has length 202 [2019-09-08 17:01:24,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:24,477 INFO L475 AbstractCegarLoop]: Abstraction has 13603 states and 18211 transitions. [2019-09-08 17:01:24,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:24,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13603 states and 18211 transitions. [2019-09-08 17:01:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-08 17:01:24,483 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:24,484 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:24,484 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:24,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:24,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1317681856, now seen corresponding path program 1 times [2019-09-08 17:01:24,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:24,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:24,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:24,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:24,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-08 17:01:24,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:24,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:01:24,975 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:01:24,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:01:24,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:01:24,975 INFO L87 Difference]: Start difference. First operand 13603 states and 18211 transitions. Second operand 5 states. [2019-09-08 17:01:26,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:26,737 INFO L93 Difference]: Finished difference Result 27180 states and 36392 transitions. [2019-09-08 17:01:26,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:01:26,738 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2019-09-08 17:01:26,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:26,820 INFO L225 Difference]: With dead ends: 27180 [2019-09-08 17:01:26,820 INFO L226 Difference]: Without dead ends: 13623 [2019-09-08 17:01:26,882 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 17:01:26,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13623 states. [2019-09-08 17:01:28,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13623 to 13615. [2019-09-08 17:01:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13615 states. [2019-09-08 17:01:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13615 states to 13615 states and 18227 transitions. [2019-09-08 17:01:28,796 INFO L78 Accepts]: Start accepts. Automaton has 13615 states and 18227 transitions. Word has length 204 [2019-09-08 17:01:28,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:28,798 INFO L475 AbstractCegarLoop]: Abstraction has 13615 states and 18227 transitions. [2019-09-08 17:01:28,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:01:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13615 states and 18227 transitions. [2019-09-08 17:01:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-08 17:01:28,810 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:28,811 INFO L399 BasicCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:28,811 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:28,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:28,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1817047745, now seen corresponding path program 1 times [2019-09-08 17:01:28,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:28,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:28,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:28,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:28,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2019-09-08 17:01:29,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:29,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:01:29,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:01:29,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:01:29,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:01:29,582 INFO L87 Difference]: Start difference. First operand 13615 states and 18227 transitions. Second operand 6 states. [2019-09-08 17:01:33,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:33,331 INFO L93 Difference]: Finished difference Result 27166 states and 36374 transitions. [2019-09-08 17:01:33,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:01:33,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2019-09-08 17:01:33,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:33,393 INFO L225 Difference]: With dead ends: 27166 [2019-09-08 17:01:33,393 INFO L226 Difference]: Without dead ends: 13481 [2019-09-08 17:01:33,429 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 17:01:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13481 states. [2019-09-08 17:01:33,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13481 to 13393. [2019-09-08 17:01:33,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13393 states. [2019-09-08 17:01:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13393 states to 13393 states and 17965 transitions. [2019-09-08 17:01:33,891 INFO L78 Accepts]: Start accepts. Automaton has 13393 states and 17965 transitions. Word has length 214 [2019-09-08 17:01:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:33,892 INFO L475 AbstractCegarLoop]: Abstraction has 13393 states and 17965 transitions. [2019-09-08 17:01:33,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:01:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 13393 states and 17965 transitions. [2019-09-08 17:01:33,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-09-08 17:01:33,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:33,897 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:33,897 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:33,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:33,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1373786395, now seen corresponding path program 1 times [2019-09-08 17:01:33,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:33,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:33,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:33,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:33,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2019-09-08 17:01:34,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:34,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:34,877 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:34,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:34,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:34,878 INFO L87 Difference]: Start difference. First operand 13393 states and 17965 transitions. Second operand 3 states. [2019-09-08 17:01:35,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:35,138 INFO L93 Difference]: Finished difference Result 15501 states and 20524 transitions. [2019-09-08 17:01:35,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:35,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-09-08 17:01:35,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:35,210 INFO L225 Difference]: With dead ends: 15501 [2019-09-08 17:01:35,211 INFO L226 Difference]: Without dead ends: 15498 [2019-09-08 17:01:35,219 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:35,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15498 states. [2019-09-08 17:01:35,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15498 to 15343. [2019-09-08 17:01:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15343 states. [2019-09-08 17:01:35,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15343 states to 15343 states and 20311 transitions. [2019-09-08 17:01:35,787 INFO L78 Accepts]: Start accepts. Automaton has 15343 states and 20311 transitions. Word has length 221 [2019-09-08 17:01:35,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:35,791 INFO L475 AbstractCegarLoop]: Abstraction has 15343 states and 20311 transitions. [2019-09-08 17:01:35,791 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 15343 states and 20311 transitions. [2019-09-08 17:01:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-09-08 17:01:35,814 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:35,815 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:35,815 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:35,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:35,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1164153782, now seen corresponding path program 1 times [2019-09-08 17:01:35,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:35,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:35,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:35,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:35,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2019-09-08 17:01:36,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:36,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:36,412 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:36,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:36,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:36,413 INFO L87 Difference]: Start difference. First operand 15343 states and 20311 transitions. Second operand 3 states. [2019-09-08 17:01:40,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:40,495 INFO L93 Difference]: Finished difference Result 39882 states and 52786 transitions. [2019-09-08 17:01:40,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:01:40,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 280 [2019-09-08 17:01:40,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:40,593 INFO L225 Difference]: With dead ends: 39882 [2019-09-08 17:01:40,593 INFO L226 Difference]: Without dead ends: 24585 [2019-09-08 17:01:40,624 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 17:01:40,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24585 states. [2019-09-08 17:01:41,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24585 to 24578. [2019-09-08 17:01:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24578 states. [2019-09-08 17:01:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24578 states to 24578 states and 32447 transitions. [2019-09-08 17:01:41,422 INFO L78 Accepts]: Start accepts. Automaton has 24578 states and 32447 transitions. Word has length 280 [2019-09-08 17:01:41,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:41,423 INFO L475 AbstractCegarLoop]: Abstraction has 24578 states and 32447 transitions. [2019-09-08 17:01:41,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:01:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand 24578 states and 32447 transitions. [2019-09-08 17:01:41,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2019-09-08 17:01:41,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:41,440 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:01:41,441 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1599828479, now seen corresponding path program 1 times [2019-09-08 17:01:41,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:41,441 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:41,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:41,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:41,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-09-08 17:01:42,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:01:42,028 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 17:01:42,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:44,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 7450 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 17:01:44,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:01:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-09-08 17:01:44,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:01:44,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-09-08 17:01:44,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 17:01:44,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 17:01:44,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:01:44,447 INFO L87 Difference]: Start difference. First operand 24578 states and 32447 transitions. Second operand 7 states. [2019-09-08 17:01:54,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:01:54,077 INFO L93 Difference]: Finished difference Result 74002 states and 97385 transitions. [2019-09-08 17:01:54,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 17:01:54,078 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 282 [2019-09-08 17:01:54,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:01:54,372 INFO L225 Difference]: With dead ends: 74002 [2019-09-08 17:01:54,373 INFO L226 Difference]: Without dead ends: 49470 [2019-09-08 17:01:54,474 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:01:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49470 states. [2019-09-08 17:01:57,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49470 to 48878. [2019-09-08 17:01:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48878 states. [2019-09-08 17:01:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48878 states to 48878 states and 64311 transitions. [2019-09-08 17:01:58,067 INFO L78 Accepts]: Start accepts. Automaton has 48878 states and 64311 transitions. Word has length 282 [2019-09-08 17:01:58,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:01:58,068 INFO L475 AbstractCegarLoop]: Abstraction has 48878 states and 64311 transitions. [2019-09-08 17:01:58,068 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 17:01:58,068 INFO L276 IsEmpty]: Start isEmpty. Operand 48878 states and 64311 transitions. [2019-09-08 17:01:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-09-08 17:01:58,101 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:01:58,101 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:58,102 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:01:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:01:58,102 INFO L82 PathProgramCache]: Analyzing trace with hash -614937279, now seen corresponding path program 1 times [2019-09-08 17:01:58,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:01:58,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:01:58,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:58,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:01:58,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:01:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:01:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2019-09-08 17:01:58,727 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:01:58,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:01:58,728 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:01:58,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:01:58,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:01:58,729 INFO L87 Difference]: Start difference. First operand 48878 states and 64311 transitions. Second operand 3 states. [2019-09-08 17:02:00,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:00,023 INFO L93 Difference]: Finished difference Result 97824 states and 128744 transitions. [2019-09-08 17:02:00,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:02:00,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 311 [2019-09-08 17:02:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:00,228 INFO L225 Difference]: With dead ends: 97824 [2019-09-08 17:02:00,229 INFO L226 Difference]: Without dead ends: 48992 [2019-09-08 17:02:00,339 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 17:02:00,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48992 states. [2019-09-08 17:02:01,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48992 to 48890. [2019-09-08 17:02:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48890 states. [2019-09-08 17:02:02,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48890 states to 48890 states and 64323 transitions. [2019-09-08 17:02:02,058 INFO L78 Accepts]: Start accepts. Automaton has 48890 states and 64323 transitions. Word has length 311 [2019-09-08 17:02:02,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:02,059 INFO L475 AbstractCegarLoop]: Abstraction has 48890 states and 64323 transitions. [2019-09-08 17:02:02,059 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:02:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 48890 states and 64323 transitions. [2019-09-08 17:02:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-08 17:02:02,089 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:02,089 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:02,089 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:02,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:02,090 INFO L82 PathProgramCache]: Analyzing trace with hash 715359960, now seen corresponding path program 1 times [2019-09-08 17:02:02,090 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:02,090 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:02,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:02,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:02,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-09-08 17:02:02,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:02,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:02:02,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:02:02,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:02:02,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:02:02,823 INFO L87 Difference]: Start difference. First operand 48890 states and 64323 transitions. Second operand 5 states. [2019-09-08 17:02:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:07,037 INFO L93 Difference]: Finished difference Result 97929 states and 128845 transitions. [2019-09-08 17:02:07,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:02:07,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 320 [2019-09-08 17:02:07,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:07,236 INFO L225 Difference]: With dead ends: 97929 [2019-09-08 17:02:07,236 INFO L226 Difference]: Without dead ends: 49022 [2019-09-08 17:02:07,376 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:02:07,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49022 states. [2019-09-08 17:02:08,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49022 to 48890. [2019-09-08 17:02:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48890 states. [2019-09-08 17:02:08,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48890 states to 48890 states and 64299 transitions. [2019-09-08 17:02:08,643 INFO L78 Accepts]: Start accepts. Automaton has 48890 states and 64299 transitions. Word has length 320 [2019-09-08 17:02:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:08,643 INFO L475 AbstractCegarLoop]: Abstraction has 48890 states and 64299 transitions. [2019-09-08 17:02:08,643 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:02:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 48890 states and 64299 transitions. [2019-09-08 17:02:08,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-09-08 17:02:08,677 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:08,677 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:08,677 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:08,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:08,678 INFO L82 PathProgramCache]: Analyzing trace with hash -324931879, now seen corresponding path program 1 times [2019-09-08 17:02:08,678 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:08,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:08,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:08,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:08,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2019-09-08 17:02:11,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:11,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 17:02:11,416 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 17:02:11,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 17:02:11,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:02:11,416 INFO L87 Difference]: Start difference. First operand 48890 states and 64299 transitions. Second operand 7 states. [2019-09-08 17:02:12,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:12,381 INFO L93 Difference]: Finished difference Result 93532 states and 122940 transitions. [2019-09-08 17:02:12,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:02:12,382 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 320 [2019-09-08 17:02:12,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:12,545 INFO L225 Difference]: With dead ends: 93532 [2019-09-08 17:02:12,546 INFO L226 Difference]: Without dead ends: 44688 [2019-09-08 17:02:12,650 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 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 17:02:12,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44688 states. [2019-09-08 17:02:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44688 to 44688. [2019-09-08 17:02:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44688 states. [2019-09-08 17:02:13,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44688 states to 44688 states and 58359 transitions. [2019-09-08 17:02:13,545 INFO L78 Accepts]: Start accepts. Automaton has 44688 states and 58359 transitions. Word has length 320 [2019-09-08 17:02:13,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:13,546 INFO L475 AbstractCegarLoop]: Abstraction has 44688 states and 58359 transitions. [2019-09-08 17:02:13,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 17:02:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 44688 states and 58359 transitions. [2019-09-08 17:02:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2019-09-08 17:02:13,573 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:13,573 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:13,573 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:13,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:13,574 INFO L82 PathProgramCache]: Analyzing trace with hash 806169525, now seen corresponding path program 1 times [2019-09-08 17:02:13,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:13,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:13,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:13,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:13,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2019-09-08 17:02:14,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:14,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:02:14,369 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:02:14,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:02:14,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:02:14,370 INFO L87 Difference]: Start difference. First operand 44688 states and 58359 transitions. Second operand 5 states. [2019-09-08 17:02:18,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:18,366 INFO L93 Difference]: Finished difference Result 103436 states and 135160 transitions. [2019-09-08 17:02:18,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:02:18,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 323 [2019-09-08 17:02:18,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:18,598 INFO L225 Difference]: With dead ends: 103436 [2019-09-08 17:02:18,599 INFO L226 Difference]: Without dead ends: 58794 [2019-09-08 17:02:18,701 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 17:02:18,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58794 states. [2019-09-08 17:02:20,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58794 to 58779. [2019-09-08 17:02:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58779 states. [2019-09-08 17:02:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58779 states to 58779 states and 76839 transitions. [2019-09-08 17:02:20,389 INFO L78 Accepts]: Start accepts. Automaton has 58779 states and 76839 transitions. Word has length 323 [2019-09-08 17:02:20,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:20,390 INFO L475 AbstractCegarLoop]: Abstraction has 58779 states and 76839 transitions. [2019-09-08 17:02:20,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:02:20,390 INFO L276 IsEmpty]: Start isEmpty. Operand 58779 states and 76839 transitions. [2019-09-08 17:02:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-09-08 17:02:20,423 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:20,424 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:20,424 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:20,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:20,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1838193666, now seen corresponding path program 1 times [2019-09-08 17:02:20,424 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:20,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:20,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:20,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:20,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2019-09-08 17:02:21,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:02:21,037 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 17:02:21,074 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 17:02:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:23,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 7646 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 17:02:23,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:02:23,244 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2019-09-08 17:02:23,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:02:23,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2019-09-08 17:02:23,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:02:23,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:02:23,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:02:23,277 INFO L87 Difference]: Start difference. First operand 58779 states and 76839 transitions. Second operand 9 states. [2019-09-08 17:02:29,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:29,413 INFO L93 Difference]: Finished difference Result 118164 states and 154806 transitions. [2019-09-08 17:02:29,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 17:02:29,413 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 344 [2019-09-08 17:02:29,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:29,556 INFO L225 Difference]: With dead ends: 118164 [2019-09-08 17:02:29,557 INFO L226 Difference]: Without dead ends: 59310 [2019-09-08 17:02:29,636 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:02:29,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59310 states. [2019-09-08 17:02:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59310 to 44027. [2019-09-08 17:02:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44027 states. [2019-09-08 17:02:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44027 states to 44027 states and 57607 transitions. [2019-09-08 17:02:30,593 INFO L78 Accepts]: Start accepts. Automaton has 44027 states and 57607 transitions. Word has length 344 [2019-09-08 17:02:30,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:30,593 INFO L475 AbstractCegarLoop]: Abstraction has 44027 states and 57607 transitions. [2019-09-08 17:02:30,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:02:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 44027 states and 57607 transitions. [2019-09-08 17:02:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-08 17:02:30,616 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:30,616 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:30,616 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:30,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:30,617 INFO L82 PathProgramCache]: Analyzing trace with hash 660839367, now seen corresponding path program 1 times [2019-09-08 17:02:30,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:30,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:30,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:30,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:30,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-09-08 17:02:31,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:31,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:02:31,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:02:31,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:02:31,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:02:31,140 INFO L87 Difference]: Start difference. First operand 44027 states and 57607 transitions. Second operand 3 states. [2019-09-08 17:02:31,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:31,848 INFO L93 Difference]: Finished difference Result 87922 states and 115044 transitions. [2019-09-08 17:02:31,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:02:31,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2019-09-08 17:02:31,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:31,969 INFO L225 Difference]: With dead ends: 87922 [2019-09-08 17:02:31,969 INFO L226 Difference]: Without dead ends: 44033 [2019-09-08 17:02:32,046 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 17:02:32,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44033 states. [2019-09-08 17:02:33,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44033 to 44033. [2019-09-08 17:02:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44033 states. [2019-09-08 17:02:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44033 states to 44033 states and 57607 transitions. [2019-09-08 17:02:33,380 INFO L78 Accepts]: Start accepts. Automaton has 44033 states and 57607 transitions. Word has length 340 [2019-09-08 17:02:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:33,380 INFO L475 AbstractCegarLoop]: Abstraction has 44033 states and 57607 transitions. [2019-09-08 17:02:33,381 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:02:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44033 states and 57607 transitions. [2019-09-08 17:02:33,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-08 17:02:33,401 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:33,401 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:33,401 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:33,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:33,402 INFO L82 PathProgramCache]: Analyzing trace with hash 295958651, now seen corresponding path program 1 times [2019-09-08 17:02:33,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:33,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:33,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:33,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:33,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:33,978 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-08 17:02:33,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:33,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:02:33,979 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:02:33,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:02:33,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:02:33,979 INFO L87 Difference]: Start difference. First operand 44033 states and 57607 transitions. Second operand 5 states. [2019-09-08 17:02:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:37,913 INFO L93 Difference]: Finished difference Result 104770 states and 137014 transitions. [2019-09-08 17:02:37,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:02:37,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 350 [2019-09-08 17:02:37,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:38,077 INFO L225 Difference]: With dead ends: 104770 [2019-09-08 17:02:38,077 INFO L226 Difference]: Without dead ends: 60875 [2019-09-08 17:02:38,153 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 17:02:38,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60875 states. [2019-09-08 17:02:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60875 to 44057. [2019-09-08 17:02:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44057 states. [2019-09-08 17:02:39,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44057 states to 44057 states and 57631 transitions. [2019-09-08 17:02:39,668 INFO L78 Accepts]: Start accepts. Automaton has 44057 states and 57631 transitions. Word has length 350 [2019-09-08 17:02:39,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:39,669 INFO L475 AbstractCegarLoop]: Abstraction has 44057 states and 57631 transitions. [2019-09-08 17:02:39,669 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:02:39,669 INFO L276 IsEmpty]: Start isEmpty. Operand 44057 states and 57631 transitions. [2019-09-08 17:02:39,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-08 17:02:39,691 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:39,692 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:39,692 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:39,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:39,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1687698858, now seen corresponding path program 1 times [2019-09-08 17:02:39,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:39,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:39,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:39,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:39,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-09-08 17:02:40,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:40,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:02:40,159 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:02:40,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:02:40,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:02:40,160 INFO L87 Difference]: Start difference. First operand 44057 states and 57631 transitions. Second operand 3 states. [2019-09-08 17:02:40,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:40,888 INFO L93 Difference]: Finished difference Result 87984 states and 115108 transitions. [2019-09-08 17:02:40,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:02:40,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 350 [2019-09-08 17:02:40,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:40,997 INFO L225 Difference]: With dead ends: 87984 [2019-09-08 17:02:40,998 INFO L226 Difference]: Without dead ends: 44065 [2019-09-08 17:02:41,068 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 17:02:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44065 states. [2019-09-08 17:02:42,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44065 to 44065. [2019-09-08 17:02:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44065 states. [2019-09-08 17:02:42,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44065 states to 44065 states and 57639 transitions. [2019-09-08 17:02:42,392 INFO L78 Accepts]: Start accepts. Automaton has 44065 states and 57639 transitions. Word has length 350 [2019-09-08 17:02:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:42,393 INFO L475 AbstractCegarLoop]: Abstraction has 44065 states and 57639 transitions. [2019-09-08 17:02:42,393 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:02:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44065 states and 57639 transitions. [2019-09-08 17:02:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-09-08 17:02:42,410 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:42,410 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:42,410 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:42,411 INFO L82 PathProgramCache]: Analyzing trace with hash 465407960, now seen corresponding path program 1 times [2019-09-08 17:02:42,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:42,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:42,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:42,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:42,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-09-08 17:02:42,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:42,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:02:42,924 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:02:42,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:02:42,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:02:42,925 INFO L87 Difference]: Start difference. First operand 44065 states and 57639 transitions. Second operand 6 states. [2019-09-08 17:02:46,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:46,973 INFO L93 Difference]: Finished difference Result 104986 states and 137302 transitions. [2019-09-08 17:02:46,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:02:46,973 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 350 [2019-09-08 17:02:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:47,135 INFO L225 Difference]: With dead ends: 104986 [2019-09-08 17:02:47,135 INFO L226 Difference]: Without dead ends: 61059 [2019-09-08 17:02:47,211 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:02:47,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61059 states. [2019-09-08 17:02:48,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61059 to 44129. [2019-09-08 17:02:48,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44129 states. [2019-09-08 17:02:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44129 states to 44129 states and 57719 transitions. [2019-09-08 17:02:48,717 INFO L78 Accepts]: Start accepts. Automaton has 44129 states and 57719 transitions. Word has length 350 [2019-09-08 17:02:48,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:48,718 INFO L475 AbstractCegarLoop]: Abstraction has 44129 states and 57719 transitions. [2019-09-08 17:02:48,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:02:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 44129 states and 57719 transitions. [2019-09-08 17:02:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2019-09-08 17:02:48,730 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:48,730 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:48,730 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:48,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:48,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1675951387, now seen corresponding path program 1 times [2019-09-08 17:02:48,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:48,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:48,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:48,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:48,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-09-08 17:02:49,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:49,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 17:02:49,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 17:02:49,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 17:02:49,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 17:02:49,286 INFO L87 Difference]: Start difference. First operand 44129 states and 57719 transitions. Second operand 4 states. [2019-09-08 17:02:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:55,385 INFO L93 Difference]: Finished difference Result 88120 states and 115271 transitions. [2019-09-08 17:02:55,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:02:55,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 343 [2019-09-08 17:02:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:55,500 INFO L225 Difference]: With dead ends: 88120 [2019-09-08 17:02:55,501 INFO L226 Difference]: Without dead ends: 44129 [2019-09-08 17:02:55,569 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 17:02:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44129 states. [2019-09-08 17:02:56,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44129 to 44129. [2019-09-08 17:02:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44129 states. [2019-09-08 17:02:56,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44129 states to 44129 states and 57707 transitions. [2019-09-08 17:02:57,004 INFO L78 Accepts]: Start accepts. Automaton has 44129 states and 57707 transitions. Word has length 343 [2019-09-08 17:02:57,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:02:57,004 INFO L475 AbstractCegarLoop]: Abstraction has 44129 states and 57707 transitions. [2019-09-08 17:02:57,004 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 17:02:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 44129 states and 57707 transitions. [2019-09-08 17:02:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-09-08 17:02:57,016 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:02:57,016 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:57,016 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:02:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:02:57,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1618831679, now seen corresponding path program 1 times [2019-09-08 17:02:57,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:02:57,017 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:02:57,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:57,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:02:57,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:02:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:02:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2019-09-08 17:02:57,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:02:57,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:02:57,487 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:02:57,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:02:57,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:02:57,488 INFO L87 Difference]: Start difference. First operand 44129 states and 57707 transitions. Second operand 3 states. [2019-09-08 17:02:58,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:02:58,395 INFO L93 Difference]: Finished difference Result 88384 states and 115924 transitions. [2019-09-08 17:02:58,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:02:58,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-09-08 17:02:58,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:02:58,507 INFO L225 Difference]: With dead ends: 88384 [2019-09-08 17:02:58,508 INFO L226 Difference]: Without dead ends: 44393 [2019-09-08 17:02:58,576 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 17:02:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44393 states. [2019-09-08 17:03:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44393 to 44151. [2019-09-08 17:03:01,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44151 states. [2019-09-08 17:03:01,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44151 states to 44151 states and 57729 transitions. [2019-09-08 17:03:01,820 INFO L78 Accepts]: Start accepts. Automaton has 44151 states and 57729 transitions. Word has length 363 [2019-09-08 17:03:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:01,820 INFO L475 AbstractCegarLoop]: Abstraction has 44151 states and 57729 transitions. [2019-09-08 17:03:01,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:03:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 44151 states and 57729 transitions. [2019-09-08 17:03:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-09-08 17:03:01,838 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:01,839 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:01,839 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:01,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:01,839 INFO L82 PathProgramCache]: Analyzing trace with hash 530467512, now seen corresponding path program 1 times [2019-09-08 17:03:01,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:01,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:01,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:01,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:01,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-09-08 17:03:02,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:02,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:03:02,453 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:03:02,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:03:02,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:02,454 INFO L87 Difference]: Start difference. First operand 44151 states and 57729 transitions. Second operand 5 states. [2019-09-08 17:03:03,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:03,317 INFO L93 Difference]: Finished difference Result 88494 states and 116012 transitions. [2019-09-08 17:03:03,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 17:03:03,318 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 367 [2019-09-08 17:03:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:03,429 INFO L225 Difference]: With dead ends: 88494 [2019-09-08 17:03:03,429 INFO L226 Difference]: Without dead ends: 44481 [2019-09-08 17:03:03,497 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:03:03,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44481 states. [2019-09-08 17:03:04,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44481 to 44239. [2019-09-08 17:03:04,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44239 states. [2019-09-08 17:03:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44239 states to 44239 states and 57817 transitions. [2019-09-08 17:03:04,882 INFO L78 Accepts]: Start accepts. Automaton has 44239 states and 57817 transitions. Word has length 367 [2019-09-08 17:03:04,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:04,883 INFO L475 AbstractCegarLoop]: Abstraction has 44239 states and 57817 transitions. [2019-09-08 17:03:04,883 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:03:04,883 INFO L276 IsEmpty]: Start isEmpty. Operand 44239 states and 57817 transitions. [2019-09-08 17:03:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-09-08 17:03:04,896 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:04,897 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:04,897 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:04,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:04,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1699685693, now seen corresponding path program 1 times [2019-09-08 17:03:04,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:04,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:04,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:04,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:04,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2019-09-08 17:03:05,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:05,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:03:05,467 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:03:05,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:03:05,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:03:05,468 INFO L87 Difference]: Start difference. First operand 44239 states and 57817 transitions. Second operand 3 states. [2019-09-08 17:03:06,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:06,406 INFO L93 Difference]: Finished difference Result 88362 states and 115792 transitions. [2019-09-08 17:03:06,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:03:06,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 378 [2019-09-08 17:03:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:06,519 INFO L225 Difference]: With dead ends: 88362 [2019-09-08 17:03:06,519 INFO L226 Difference]: Without dead ends: 44261 [2019-09-08 17:03:06,588 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 17:03:06,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44261 states. [2019-09-08 17:03:08,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44261 to 44261. [2019-09-08 17:03:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44261 states. [2019-09-08 17:03:08,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44261 states to 44261 states and 57839 transitions. [2019-09-08 17:03:08,181 INFO L78 Accepts]: Start accepts. Automaton has 44261 states and 57839 transitions. Word has length 378 [2019-09-08 17:03:08,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:08,182 INFO L475 AbstractCegarLoop]: Abstraction has 44261 states and 57839 transitions. [2019-09-08 17:03:08,182 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:03:08,182 INFO L276 IsEmpty]: Start isEmpty. Operand 44261 states and 57839 transitions. [2019-09-08 17:03:08,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2019-09-08 17:03:08,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:08,195 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:08,195 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:08,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:08,196 INFO L82 PathProgramCache]: Analyzing trace with hash 2084987600, now seen corresponding path program 1 times [2019-09-08 17:03:08,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:08,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:08,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:08,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:08,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:08,771 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2019-09-08 17:03:08,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:08,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 17:03:08,772 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 17:03:08,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 17:03:08,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:03:08,773 INFO L87 Difference]: Start difference. First operand 44261 states and 57839 transitions. Second operand 7 states. [2019-09-08 17:03:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:09,606 INFO L93 Difference]: Finished difference Result 75324 states and 98530 transitions. [2019-09-08 17:03:09,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:03:09,606 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 373 [2019-09-08 17:03:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:09,678 INFO L225 Difference]: With dead ends: 75324 [2019-09-08 17:03:09,678 INFO L226 Difference]: Without dead ends: 31201 [2019-09-08 17:03:09,741 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 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 17:03:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31201 states. [2019-09-08 17:03:10,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31201 to 31193. [2019-09-08 17:03:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31193 states. [2019-09-08 17:03:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31193 states to 31193 states and 40425 transitions. [2019-09-08 17:03:10,820 INFO L78 Accepts]: Start accepts. Automaton has 31193 states and 40425 transitions. Word has length 373 [2019-09-08 17:03:10,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:10,820 INFO L475 AbstractCegarLoop]: Abstraction has 31193 states and 40425 transitions. [2019-09-08 17:03:10,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 17:03:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 31193 states and 40425 transitions. [2019-09-08 17:03:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-09-08 17:03:10,833 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:10,833 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:10,833 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash -861291722, now seen corresponding path program 1 times [2019-09-08 17:03:10,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:10,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:10,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:10,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:10,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:11,305 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-09-08 17:03:11,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:11,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:03:11,307 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:03:11,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:03:11,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:03:11,308 INFO L87 Difference]: Start difference. First operand 31193 states and 40425 transitions. Second operand 3 states. [2019-09-08 17:03:11,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:11,857 INFO L93 Difference]: Finished difference Result 62314 states and 80785 transitions. [2019-09-08 17:03:11,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:03:11,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 365 [2019-09-08 17:03:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:11,929 INFO L225 Difference]: With dead ends: 62314 [2019-09-08 17:03:11,929 INFO L226 Difference]: Without dead ends: 31259 [2019-09-08 17:03:11,980 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 17:03:12,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31259 states. [2019-09-08 17:03:12,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31259 to 31199. [2019-09-08 17:03:12,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31199 states. [2019-09-08 17:03:12,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31199 states to 31199 states and 40431 transitions. [2019-09-08 17:03:12,654 INFO L78 Accepts]: Start accepts. Automaton has 31199 states and 40431 transitions. Word has length 365 [2019-09-08 17:03:12,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:12,654 INFO L475 AbstractCegarLoop]: Abstraction has 31199 states and 40431 transitions. [2019-09-08 17:03:12,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:03:12,654 INFO L276 IsEmpty]: Start isEmpty. Operand 31199 states and 40431 transitions. [2019-09-08 17:03:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-09-08 17:03:12,667 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:12,667 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:12,667 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:12,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:12,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1559835712, now seen corresponding path program 1 times [2019-09-08 17:03:12,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:12,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:12,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:12,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:12,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-09-08 17:03:13,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:13,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:03:13,394 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:03:13,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:03:13,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:13,395 INFO L87 Difference]: Start difference. First operand 31199 states and 40431 transitions. Second operand 5 states. [2019-09-08 17:03:14,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:14,007 INFO L93 Difference]: Finished difference Result 62407 states and 80923 transitions. [2019-09-08 17:03:14,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:03:14,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 366 [2019-09-08 17:03:14,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:14,080 INFO L225 Difference]: With dead ends: 62407 [2019-09-08 17:03:14,081 INFO L226 Difference]: Without dead ends: 31346 [2019-09-08 17:03:14,127 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:03:14,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31346 states. [2019-09-08 17:03:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31346 to 31310. [2019-09-08 17:03:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31310 states. [2019-09-08 17:03:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31310 states to 31310 states and 40599 transitions. [2019-09-08 17:03:14,807 INFO L78 Accepts]: Start accepts. Automaton has 31310 states and 40599 transitions. Word has length 366 [2019-09-08 17:03:14,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:14,807 INFO L475 AbstractCegarLoop]: Abstraction has 31310 states and 40599 transitions. [2019-09-08 17:03:14,808 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:03:14,808 INFO L276 IsEmpty]: Start isEmpty. Operand 31310 states and 40599 transitions. [2019-09-08 17:03:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-09-08 17:03:14,819 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:14,819 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:14,819 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:14,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:14,820 INFO L82 PathProgramCache]: Analyzing trace with hash -998325512, now seen corresponding path program 1 times [2019-09-08 17:03:14,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:14,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:14,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:14,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:14,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2019-09-08 17:03:15,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:15,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:03:15,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:03:15,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:03:15,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:15,361 INFO L87 Difference]: Start difference. First operand 31310 states and 40599 transitions. Second operand 5 states. [2019-09-08 17:03:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:15,922 INFO L93 Difference]: Finished difference Result 62542 states and 81106 transitions. [2019-09-08 17:03:15,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:03:15,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 365 [2019-09-08 17:03:15,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:15,994 INFO L225 Difference]: With dead ends: 62542 [2019-09-08 17:03:15,994 INFO L226 Difference]: Without dead ends: 31370 [2019-09-08 17:03:16,387 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:03:16,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31370 states. [2019-09-08 17:03:16,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31370 to 31337. [2019-09-08 17:03:16,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31337 states. [2019-09-08 17:03:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31337 states to 31337 states and 40632 transitions. [2019-09-08 17:03:17,027 INFO L78 Accepts]: Start accepts. Automaton has 31337 states and 40632 transitions. Word has length 365 [2019-09-08 17:03:17,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:17,027 INFO L475 AbstractCegarLoop]: Abstraction has 31337 states and 40632 transitions. [2019-09-08 17:03:17,027 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:03:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 31337 states and 40632 transitions. [2019-09-08 17:03:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-09-08 17:03:17,039 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:17,040 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:17,040 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:17,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:17,040 INFO L82 PathProgramCache]: Analyzing trace with hash 275358071, now seen corresponding path program 1 times [2019-09-08 17:03:17,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:17,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:17,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:17,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:17,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2019-09-08 17:03:17,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:17,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:03:17,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:03:17,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:03:17,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:17,637 INFO L87 Difference]: Start difference. First operand 31337 states and 40632 transitions. Second operand 5 states. [2019-09-08 17:03:18,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:18,264 INFO L93 Difference]: Finished difference Result 62608 states and 81223 transitions. [2019-09-08 17:03:18,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:03:18,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2019-09-08 17:03:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:18,341 INFO L225 Difference]: With dead ends: 62608 [2019-09-08 17:03:18,341 INFO L226 Difference]: Without dead ends: 31409 [2019-09-08 17:03:18,387 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:18,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31409 states. [2019-09-08 17:03:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31409 to 31367. [2019-09-08 17:03:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31367 states. [2019-09-08 17:03:21,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31367 states to 31367 states and 40668 transitions. [2019-09-08 17:03:21,178 INFO L78 Accepts]: Start accepts. Automaton has 31367 states and 40668 transitions. Word has length 371 [2019-09-08 17:03:21,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:21,179 INFO L475 AbstractCegarLoop]: Abstraction has 31367 states and 40668 transitions. [2019-09-08 17:03:21,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:03:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 31367 states and 40668 transitions. [2019-09-08 17:03:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-09-08 17:03:21,194 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:21,195 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:21,195 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:21,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:21,195 INFO L82 PathProgramCache]: Analyzing trace with hash -655708267, now seen corresponding path program 1 times [2019-09-08 17:03:21,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:21,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:21,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:21,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:21,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-08 17:03:21,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:21,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:03:21,551 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:03:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:03:21,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:03:21,551 INFO L87 Difference]: Start difference. First operand 31367 states and 40668 transitions. Second operand 3 states. [2019-09-08 17:03:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:22,086 INFO L93 Difference]: Finished difference Result 62604 states and 81194 transitions. [2019-09-08 17:03:22,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:03:22,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 389 [2019-09-08 17:03:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:22,158 INFO L225 Difference]: With dead ends: 62604 [2019-09-08 17:03:22,158 INFO L226 Difference]: Without dead ends: 31375 [2019-09-08 17:03:22,206 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 17:03:22,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31375 states. [2019-09-08 17:03:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31375 to 31367. [2019-09-08 17:03:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31367 states. [2019-09-08 17:03:22,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31367 states to 31367 states and 40644 transitions. [2019-09-08 17:03:22,877 INFO L78 Accepts]: Start accepts. Automaton has 31367 states and 40644 transitions. Word has length 389 [2019-09-08 17:03:22,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:22,878 INFO L475 AbstractCegarLoop]: Abstraction has 31367 states and 40644 transitions. [2019-09-08 17:03:22,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:03:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31367 states and 40644 transitions. [2019-09-08 17:03:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-09-08 17:03:22,889 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:22,890 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:22,890 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:22,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:22,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1370275046, now seen corresponding path program 1 times [2019-09-08 17:03:22,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:22,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:22,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:22,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:22,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-09-08 17:03:23,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:23,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:03:23,492 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:03:23,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:03:23,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:03:23,493 INFO L87 Difference]: Start difference. First operand 31367 states and 40644 transitions. Second operand 6 states. [2019-09-08 17:03:24,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:24,331 INFO L93 Difference]: Finished difference Result 62652 states and 81194 transitions. [2019-09-08 17:03:24,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 17:03:24,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 391 [2019-09-08 17:03:24,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:24,409 INFO L225 Difference]: With dead ends: 62652 [2019-09-08 17:03:24,410 INFO L226 Difference]: Without dead ends: 31423 [2019-09-08 17:03:24,453 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 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 17:03:24,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31423 states. [2019-09-08 17:03:25,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31423 to 31415. [2019-09-08 17:03:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31415 states. [2019-09-08 17:03:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31415 states to 31415 states and 40700 transitions. [2019-09-08 17:03:25,137 INFO L78 Accepts]: Start accepts. Automaton has 31415 states and 40700 transitions. Word has length 391 [2019-09-08 17:03:25,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:25,137 INFO L475 AbstractCegarLoop]: Abstraction has 31415 states and 40700 transitions. [2019-09-08 17:03:25,137 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:03:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31415 states and 40700 transitions. [2019-09-08 17:03:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2019-09-08 17:03:25,149 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:25,149 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:25,150 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:25,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:25,150 INFO L82 PathProgramCache]: Analyzing trace with hash 755600234, now seen corresponding path program 1 times [2019-09-08 17:03:25,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:25,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:25,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:25,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:25,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 374 trivial. 0 not checked. [2019-09-08 17:03:25,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:03:25,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:03:25,759 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:03:25,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:03:25,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:25,760 INFO L87 Difference]: Start difference. First operand 31415 states and 40700 transitions. Second operand 5 states. [2019-09-08 17:03:26,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:26,357 INFO L93 Difference]: Finished difference Result 62812 states and 81446 transitions. [2019-09-08 17:03:26,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:03:26,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 396 [2019-09-08 17:03:26,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:26,433 INFO L225 Difference]: With dead ends: 62812 [2019-09-08 17:03:26,433 INFO L226 Difference]: Without dead ends: 31535 [2019-09-08 17:03:26,481 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:03:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31535 states. [2019-09-08 17:03:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31535 to 31463. [2019-09-08 17:03:27,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31463 states. [2019-09-08 17:03:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31463 states to 31463 states and 40760 transitions. [2019-09-08 17:03:27,494 INFO L78 Accepts]: Start accepts. Automaton has 31463 states and 40760 transitions. Word has length 396 [2019-09-08 17:03:27,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:27,494 INFO L475 AbstractCegarLoop]: Abstraction has 31463 states and 40760 transitions. [2019-09-08 17:03:27,494 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:03:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 31463 states and 40760 transitions. [2019-09-08 17:03:27,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-09-08 17:03:27,507 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:27,507 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:27,507 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash 945018469, now seen corresponding path program 1 times [2019-09-08 17:03:27,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:27,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:27,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:27,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:27,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-09-08 17:03:28,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:03:28,020 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:03:28,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:30,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 7890 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 17:03:30,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:03:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2019-09-08 17:03:30,229 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:03:30,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2019-09-08 17:03:30,230 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 17:03:30,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 17:03:30,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:03:30,230 INFO L87 Difference]: Start difference. First operand 31463 states and 40760 transitions. Second operand 7 states. [2019-09-08 17:03:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:30,827 INFO L93 Difference]: Finished difference Result 62947 states and 81568 transitions. [2019-09-08 17:03:30,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:03:30,828 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 405 [2019-09-08 17:03:30,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:30,926 INFO L225 Difference]: With dead ends: 62947 [2019-09-08 17:03:30,926 INFO L226 Difference]: Without dead ends: 31491 [2019-09-08 17:03:30,996 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 410 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:03:31,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31491 states. [2019-09-08 17:03:32,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31491 to 31489. [2019-09-08 17:03:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31489 states. [2019-09-08 17:03:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31489 states to 31489 states and 40787 transitions. [2019-09-08 17:03:32,164 INFO L78 Accepts]: Start accepts. Automaton has 31489 states and 40787 transitions. Word has length 405 [2019-09-08 17:03:32,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:32,164 INFO L475 AbstractCegarLoop]: Abstraction has 31489 states and 40787 transitions. [2019-09-08 17:03:32,164 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 17:03:32,164 INFO L276 IsEmpty]: Start isEmpty. Operand 31489 states and 40787 transitions. [2019-09-08 17:03:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-09-08 17:03:32,176 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:32,177 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 17:03:32,177 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:32,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:32,177 INFO L82 PathProgramCache]: Analyzing trace with hash 724032554, now seen corresponding path program 2 times [2019-09-08 17:03:32,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:32,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:32,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:32,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:03:32,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2019-09-08 17:03:32,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:03:32,626 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:03:32,648 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 17:03:46,404 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:03:46,405 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:03:46,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 7902 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 17:03:46,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:03:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 129 proven. 3 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2019-09-08 17:03:46,849 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:03:46,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2019-09-08 17:03:46,851 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:03:46,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:03:46,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:03:46,853 INFO L87 Difference]: Start difference. First operand 31489 states and 40787 transitions. Second operand 9 states. [2019-09-08 17:03:47,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:03:47,514 INFO L93 Difference]: Finished difference Result 62993 states and 81615 transitions. [2019-09-08 17:03:47,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 17:03:47,515 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 408 [2019-09-08 17:03:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:03:47,601 INFO L225 Difference]: With dead ends: 62993 [2019-09-08 17:03:47,601 INFO L226 Difference]: Without dead ends: 31515 [2019-09-08 17:03:47,666 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-09-08 17:03:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31515 states. [2019-09-08 17:03:48,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31515 to 31510. [2019-09-08 17:03:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31510 states. [2019-09-08 17:03:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31510 states to 31510 states and 40808 transitions. [2019-09-08 17:03:48,740 INFO L78 Accepts]: Start accepts. Automaton has 31510 states and 40808 transitions. Word has length 408 [2019-09-08 17:03:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:03:48,740 INFO L475 AbstractCegarLoop]: Abstraction has 31510 states and 40808 transitions. [2019-09-08 17:03:48,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:03:48,740 INFO L276 IsEmpty]: Start isEmpty. Operand 31510 states and 40808 transitions. [2019-09-08 17:03:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2019-09-08 17:03:48,755 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:03:48,755 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:48,756 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:03:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:03:48,756 INFO L82 PathProgramCache]: Analyzing trace with hash 342044877, now seen corresponding path program 3 times [2019-09-08 17:03:48,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:03:48,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:03:48,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:48,759 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:03:48,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:03:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:03:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2019-09-08 17:03:49,221 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:03:49,221 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 17:03:49,245 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 17:05:03,614 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2019-09-08 17:05:03,614 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:05:04,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 7704 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 17:05:04,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:05:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 131 proven. 6 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2019-09-08 17:05:04,349 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:05:04,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2019-09-08 17:05:04,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 17:05:04,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 17:05:04,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:05:04,357 INFO L87 Difference]: Start difference. First operand 31510 states and 40808 transitions. Second operand 11 states. [2019-09-08 17:05:05,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:05:05,333 INFO L93 Difference]: Finished difference Result 63037 states and 81660 transitions. [2019-09-08 17:05:05,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 17:05:05,333 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 411 [2019-09-08 17:05:05,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:05:05,405 INFO L225 Difference]: With dead ends: 63037 [2019-09-08 17:05:05,405 INFO L226 Difference]: Without dead ends: 31539 [2019-09-08 17:05:05,452 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 407 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-09-08 17:05:05,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31539 states. [2019-09-08 17:05:06,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31539 to 31531. [2019-09-08 17:05:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31531 states. [2019-09-08 17:05:06,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31531 states to 31531 states and 40829 transitions. [2019-09-08 17:05:06,426 INFO L78 Accepts]: Start accepts. Automaton has 31531 states and 40829 transitions. Word has length 411 [2019-09-08 17:05:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:05:06,426 INFO L475 AbstractCegarLoop]: Abstraction has 31531 states and 40829 transitions. [2019-09-08 17:05:06,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 17:05:06,426 INFO L276 IsEmpty]: Start isEmpty. Operand 31531 states and 40829 transitions. [2019-09-08 17:05:06,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-09-08 17:05:06,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:05:06,439 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:06,439 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:05:06,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:05:06,439 INFO L82 PathProgramCache]: Analyzing trace with hash -2123866158, now seen corresponding path program 4 times [2019-09-08 17:05:06,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:05:06,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:05:06,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:06,442 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:05:06,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:06,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:05:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:05:06,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:05:06,863 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 17:05:06,886 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 17:05:08,828 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 17:05:08,828 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:05:08,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 7926 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 17:05:08,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:05:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 130 proven. 16 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:05:09,044 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:05:09,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2019-09-08 17:05:09,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 17:05:09,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 17:05:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:05:09,046 INFO L87 Difference]: Start difference. First operand 31531 states and 40829 transitions. Second operand 8 states. [2019-09-08 17:05:09,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:05:09,588 INFO L93 Difference]: Finished difference Result 62922 states and 81477 transitions. [2019-09-08 17:05:09,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:05:09,588 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 414 [2019-09-08 17:05:09,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:05:09,659 INFO L225 Difference]: With dead ends: 62922 [2019-09-08 17:05:09,659 INFO L226 Difference]: Without dead ends: 31537 [2019-09-08 17:05:09,705 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:05:09,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31537 states. [2019-09-08 17:05:10,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31537 to 31535. [2019-09-08 17:05:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31535 states. [2019-09-08 17:05:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31535 states to 31535 states and 40833 transitions. [2019-09-08 17:05:10,683 INFO L78 Accepts]: Start accepts. Automaton has 31535 states and 40833 transitions. Word has length 414 [2019-09-08 17:05:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:05:10,683 INFO L475 AbstractCegarLoop]: Abstraction has 31535 states and 40833 transitions. [2019-09-08 17:05:10,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 17:05:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 31535 states and 40833 transitions. [2019-09-08 17:05:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2019-09-08 17:05:10,695 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:05:10,696 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:10,696 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:05:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:05:10,697 INFO L82 PathProgramCache]: Analyzing trace with hash -935119818, now seen corresponding path program 5 times [2019-09-08 17:05:10,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:05:10,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:05:10,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:10,700 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:05:10,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:05:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:05:11,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:05:11,220 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 17:05:11,241 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 17:05:11,836 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2019-09-08 17:05:11,836 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:05:11,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 17:05:11,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:05:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 130 proven. 25 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:05:11,953 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:05:11,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2019-09-08 17:05:11,955 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:05:11,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:05:11,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:05:11,956 INFO L87 Difference]: Start difference. First operand 31535 states and 40833 transitions. Second operand 9 states. [2019-09-08 17:05:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:05:12,564 INFO L93 Difference]: Finished difference Result 62930 states and 81485 transitions. [2019-09-08 17:05:12,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 17:05:12,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 416 [2019-09-08 17:05:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:05:12,635 INFO L225 Difference]: With dead ends: 62930 [2019-09-08 17:05:12,635 INFO L226 Difference]: Without dead ends: 31541 [2019-09-08 17:05:12,681 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:05:12,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31541 states. [2019-09-08 17:05:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31541 to 31539. [2019-09-08 17:05:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31539 states. [2019-09-08 17:05:13,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31539 states to 31539 states and 40837 transitions. [2019-09-08 17:05:13,701 INFO L78 Accepts]: Start accepts. Automaton has 31539 states and 40837 transitions. Word has length 416 [2019-09-08 17:05:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:05:13,701 INFO L475 AbstractCegarLoop]: Abstraction has 31539 states and 40837 transitions. [2019-09-08 17:05:13,701 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:05:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 31539 states and 40837 transitions. [2019-09-08 17:05:13,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2019-09-08 17:05:13,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:05:13,716 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:05:13,716 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:05:13,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:05:13,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1011187814, now seen corresponding path program 6 times [2019-09-08 17:05:13,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:05:13,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:05:13,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:13,720 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:05:13,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:05:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:05:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 10 proven. 36 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:05:14,245 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:05:14,245 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:05:14,266 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-08 17:07:41,630 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2019-09-08 17:07:41,631 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:07:42,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 7938 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 17:07:42,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:07:42,212 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:07:42,308 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:07:42,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2019-09-08 17:07:42,310 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 17:07:42,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 17:07:42,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:07:42,312 INFO L87 Difference]: Start difference. First operand 31539 states and 40837 transitions. Second operand 10 states. [2019-09-08 17:07:42,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:07:42,970 INFO L93 Difference]: Finished difference Result 62938 states and 81493 transitions. [2019-09-08 17:07:42,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:07:42,970 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 418 [2019-09-08 17:07:42,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:07:43,037 INFO L225 Difference]: With dead ends: 62938 [2019-09-08 17:07:43,037 INFO L226 Difference]: Without dead ends: 31545 [2019-09-08 17:07:43,081 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:07:43,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31545 states. [2019-09-08 17:07:44,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31545 to 31543. [2019-09-08 17:07:44,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31543 states. [2019-09-08 17:07:44,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31543 states to 31543 states and 40841 transitions. [2019-09-08 17:07:44,084 INFO L78 Accepts]: Start accepts. Automaton has 31543 states and 40841 transitions. Word has length 418 [2019-09-08 17:07:44,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:07:44,085 INFO L475 AbstractCegarLoop]: Abstraction has 31543 states and 40841 transitions. [2019-09-08 17:07:44,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 17:07:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 31543 states and 40841 transitions. [2019-09-08 17:07:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2019-09-08 17:07:44,096 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:07:44,097 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 7, 7, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:44,097 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:07:44,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:07:44,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1098087938, now seen corresponding path program 7 times [2019-09-08 17:07:44,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:07:44,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:07:44,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:07:44,100 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:07:44,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:07:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:07:44,771 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 10 proven. 49 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:07:44,771 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:07:44,771 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:07:44,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:07:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:07:46,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 7944 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 17:07:46,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:07:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 130 proven. 49 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:07:46,950 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:07:46,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2019-09-08 17:07:46,951 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 17:07:46,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 17:07:46,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:07:46,952 INFO L87 Difference]: Start difference. First operand 31543 states and 40841 transitions. Second operand 11 states. [2019-09-08 17:07:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:07:47,517 INFO L93 Difference]: Finished difference Result 62946 states and 81501 transitions. [2019-09-08 17:07:47,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 17:07:47,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 420 [2019-09-08 17:07:47,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:07:47,598 INFO L225 Difference]: With dead ends: 62946 [2019-09-08 17:07:47,598 INFO L226 Difference]: Without dead ends: 31549 [2019-09-08 17:07:47,644 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 420 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:07:47,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31549 states. [2019-09-08 17:07:48,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31549 to 31547. [2019-09-08 17:07:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31547 states. [2019-09-08 17:07:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31547 states to 31547 states and 40845 transitions. [2019-09-08 17:07:48,705 INFO L78 Accepts]: Start accepts. Automaton has 31547 states and 40845 transitions. Word has length 420 [2019-09-08 17:07:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:07:48,705 INFO L475 AbstractCegarLoop]: Abstraction has 31547 states and 40845 transitions. [2019-09-08 17:07:48,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 17:07:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 31547 states and 40845 transitions. [2019-09-08 17:07:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-09-08 17:07:48,718 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:07:48,719 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:07:48,719 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:07:48,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:07:48,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1290238818, now seen corresponding path program 8 times [2019-09-08 17:07:48,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:07:48,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:07:48,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:07:48,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:07:48,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:07:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:07:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 10 proven. 64 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:07:49,411 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:07:49,411 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:07:49,463 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 17:08:03,358 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:08:03,359 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:08:03,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 7950 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 17:08:03,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:08:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 130 proven. 64 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:08:03,726 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:08:03,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2019-09-08 17:08:03,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 17:08:03,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 17:08:03,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-09-08 17:08:03,727 INFO L87 Difference]: Start difference. First operand 31547 states and 40845 transitions. Second operand 12 states. [2019-09-08 17:08:04,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:08:04,319 INFO L93 Difference]: Finished difference Result 62954 states and 81509 transitions. [2019-09-08 17:08:04,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:08:04,320 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 422 [2019-09-08 17:08:04,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:08:04,389 INFO L225 Difference]: With dead ends: 62954 [2019-09-08 17:08:04,390 INFO L226 Difference]: Without dead ends: 31553 [2019-09-08 17:08:04,436 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2019-09-08 17:08:04,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31553 states. [2019-09-08 17:08:05,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31553 to 31551. [2019-09-08 17:08:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31551 states. [2019-09-08 17:08:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31551 states to 31551 states and 40849 transitions. [2019-09-08 17:08:05,533 INFO L78 Accepts]: Start accepts. Automaton has 31551 states and 40849 transitions. Word has length 422 [2019-09-08 17:08:05,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:08:05,533 INFO L475 AbstractCegarLoop]: Abstraction has 31551 states and 40849 transitions. [2019-09-08 17:08:05,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 17:08:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 31551 states and 40849 transitions. [2019-09-08 17:08:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-09-08 17:08:05,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:08:05,546 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 9, 9, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:08:05,546 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:08:05,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:08:05,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1335252026, now seen corresponding path program 9 times [2019-09-08 17:08:05,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:08:05,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:08:05,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:08:05,549 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:08:05,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:08:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:08:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 10 proven. 81 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:08:06,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:08:06,159 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 17:08:06,193 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:10:33,190 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2019-09-08 17:10:33,190 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:10:33,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 7956 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 17:10:33,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:10:33,752 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 130 proven. 81 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:10:33,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:10:33,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2019-09-08 17:10:33,817 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-08 17:10:33,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-08 17:10:33,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:10:33,818 INFO L87 Difference]: Start difference. First operand 31551 states and 40849 transitions. Second operand 13 states. [2019-09-08 17:10:34,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:10:34,376 INFO L93 Difference]: Finished difference Result 62962 states and 81517 transitions. [2019-09-08 17:10:34,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 17:10:34,377 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 424 [2019-09-08 17:10:34,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:10:34,443 INFO L225 Difference]: With dead ends: 62962 [2019-09-08 17:10:34,443 INFO L226 Difference]: Without dead ends: 31557 [2019-09-08 17:10:34,486 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:10:34,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31557 states. [2019-09-08 17:10:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31557 to 31555. [2019-09-08 17:10:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31555 states. [2019-09-08 17:10:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31555 states to 31555 states and 40853 transitions. [2019-09-08 17:10:35,504 INFO L78 Accepts]: Start accepts. Automaton has 31555 states and 40853 transitions. Word has length 424 [2019-09-08 17:10:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:10:35,504 INFO L475 AbstractCegarLoop]: Abstraction has 31555 states and 40853 transitions. [2019-09-08 17:10:35,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-08 17:10:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 31555 states and 40853 transitions. [2019-09-08 17:10:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2019-09-08 17:10:35,516 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:10:35,516 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:10:35,516 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:10:35,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:10:35,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1008816938, now seen corresponding path program 10 times [2019-09-08 17:10:35,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:10:35,517 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:10:35,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:35,519 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:10:35,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:10:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 10 proven. 100 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:10:35,964 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:10:35,965 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:10:35,987 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 17:10:38,052 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 17:10:38,052 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:10:38,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 7962 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-08 17:10:38,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:10:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 130 proven. 100 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:10:38,256 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:10:38,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2019-09-08 17:10:38,257 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 17:10:38,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 17:10:38,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2019-09-08 17:10:38,258 INFO L87 Difference]: Start difference. First operand 31555 states and 40853 transitions. Second operand 14 states. [2019-09-08 17:10:38,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:10:38,838 INFO L93 Difference]: Finished difference Result 62970 states and 81525 transitions. [2019-09-08 17:10:38,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 17:10:38,839 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 426 [2019-09-08 17:10:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:10:38,905 INFO L225 Difference]: With dead ends: 62970 [2019-09-08 17:10:38,906 INFO L226 Difference]: Without dead ends: 31561 [2019-09-08 17:10:38,950 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2019-09-08 17:10:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31561 states. [2019-09-08 17:10:39,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31561 to 31559. [2019-09-08 17:10:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31559 states. [2019-09-08 17:10:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31559 states to 31559 states and 40857 transitions. [2019-09-08 17:10:39,978 INFO L78 Accepts]: Start accepts. Automaton has 31559 states and 40857 transitions. Word has length 426 [2019-09-08 17:10:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:10:39,978 INFO L475 AbstractCegarLoop]: Abstraction has 31559 states and 40857 transitions. [2019-09-08 17:10:39,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 17:10:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 31559 states and 40857 transitions. [2019-09-08 17:10:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-09-08 17:10:39,990 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:10:39,990 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 11, 11, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:10:39,990 INFO L418 AbstractCegarLoop]: === Iteration 41 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:10:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:10:39,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1198739058, now seen corresponding path program 11 times [2019-09-08 17:10:39,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:10:39,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:10:39,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:39,995 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:10:39,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:10:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:10:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 10 proven. 121 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:10:40,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:10:40,469 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:10:40,491 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 17:10:59,296 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2019-09-08 17:10:59,296 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:10:59,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 17:10:59,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:10:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 130 proven. 121 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2019-09-08 17:10:59,415 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:10:59,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 15 [2019-09-08 17:10:59,416 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 17:10:59,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 17:10:59,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2019-09-08 17:10:59,416 INFO L87 Difference]: Start difference. First operand 31559 states and 40857 transitions. Second operand 15 states. [2019-09-08 17:11:00,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:11:00,009 INFO L93 Difference]: Finished difference Result 62978 states and 81533 transitions. [2019-09-08 17:11:00,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 17:11:00,010 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 428 [2019-09-08 17:11:00,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:11:00,079 INFO L225 Difference]: With dead ends: 62978 [2019-09-08 17:11:00,079 INFO L226 Difference]: Without dead ends: 31565 [2019-09-08 17:11:00,123 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2019-09-08 17:11:00,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31565 states. [2019-09-08 17:11:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31565 to 31563. [2019-09-08 17:11:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31563 states. [2019-09-08 17:11:00,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31563 states to 31563 states and 40861 transitions. [2019-09-08 17:11:00,806 INFO L78 Accepts]: Start accepts. Automaton has 31563 states and 40861 transitions. Word has length 428 [2019-09-08 17:11:00,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:11:00,806 INFO L475 AbstractCegarLoop]: Abstraction has 31563 states and 40861 transitions. [2019-09-08 17:11:00,806 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 17:11:00,806 INFO L276 IsEmpty]: Start isEmpty. Operand 31563 states and 40861 transitions. [2019-09-08 17:11:00,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-08 17:11:00,818 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:11:00,819 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:11:00,819 INFO L418 AbstractCegarLoop]: === Iteration 42 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:11:00,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:11:00,819 INFO L82 PathProgramCache]: Analyzing trace with hash -946206990, now seen corresponding path program 12 times [2019-09-08 17:11:00,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:11:00,819 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:11:00,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:11:00,823 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:11:00,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:11:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:11:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 10 proven. 144 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-09-08 17:11:01,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:11:01,647 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:11:01,677 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE