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-validator-v0.6/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:23:51,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:23:51,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:23:51,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:23:51,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:23:51,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:23:51,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:23:51,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:23:51,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:23:51,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:23:51,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:23:51,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:23:51,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:23:51,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:23:51,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:23:51,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:23:51,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:23:51,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:23:51,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:23:51,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:23:51,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:23:51,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:23:51,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:23:51,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:23:51,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 10:23:51,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 10:23:51,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 10:23:51,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 10:23:51,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 10:23:51,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 10:23:51,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 10:23:51,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 10:23:51,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 10:23:51,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 10:23:51,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 10:23:51,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 10:23:51,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 10:23:51,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 10:23:51,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:23:51,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:23:51,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:23:51,575 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 10:23:51,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:23:51,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:23:51,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:23:51,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:23:51,592 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:23:51,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:23:51,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:23:51,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:23:51,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:23:51,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:23:51,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:23:51,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:23:51,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:23:51,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:23:51,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:23:51,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:23:51,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:23:51,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:23:51,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:23:51,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:23:51,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:23:51,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:23:51,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:23:51,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:23:51,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:23:51,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:23:51,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:23:51,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:23:51,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:23:51,628 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:23:51,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:23:51,646 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:23:51,648 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:23:51,648 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:23:51,649 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2019-10-02 10:23:51,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61386429b/12199bf884574996befbe2c142e8881f/FLAG693bf8af0 [2019-10-02 10:23:52,604 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:23:52,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2019-10-02 10:23:52,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61386429b/12199bf884574996befbe2c142e8881f/FLAG693bf8af0 [2019-10-02 10:23:53,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61386429b/12199bf884574996befbe2c142e8881f [2019-10-02 10:23:53,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:23:53,064 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:23:53,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:23:53,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:23:53,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:23:53,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:23:53" (1/1) ... [2019-10-02 10:23:53,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66746e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:53, skipping insertion in model container [2019-10-02 10:23:53,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:23:53" (1/1) ... [2019-10-02 10:23:53,078 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:23:53,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:23:55,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:23:55,484 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:23:56,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:23:56,573 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:23:56,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56 WrapperNode [2019-10-02 10:23:56,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:23:56,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:23:56,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:23:56,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:23:56,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:56,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... [2019-10-02 10:23:57,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:23:57,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:23:57,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:23:57,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:23:57,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:23:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:23:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:23:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-10-02 10:23:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-02 10:23:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-02 10:23:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-02 10:23:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2019-10-02 10:23:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-02 10:23:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-02 10:23:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 10:23:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 10:23:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 10:23:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-02 10:23:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 10:23:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 10:23:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 10:23:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 10:23:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 10:23:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 10:23:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 10:23:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 10:23:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-02 10:23:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-02 10:23:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-02 10:23:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2019-10-02 10:23:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2019-10-02 10:23:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2019-10-02 10:23:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2019-10-02 10:23:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2019-10-02 10:23:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2019-10-02 10:23:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2019-10-02 10:23:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2019-10-02 10:23:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2019-10-02 10:23:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2019-10-02 10:23:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2019-10-02 10:23:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2019-10-02 10:23:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2019-10-02 10:23:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2019-10-02 10:23:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2019-10-02 10:23:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2019-10-02 10:23:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2019-10-02 10:23:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2019-10-02 10:23:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2019-10-02 10:23:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2019-10-02 10:23:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2019-10-02 10:23:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2019-10-02 10:23:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2019-10-02 10:23:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-02 10:23:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-02 10:23:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-02 10:23:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-02 10:23:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-02 10:23:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-02 10:23:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-02 10:23:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-10-02 10:23:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-02 10:23:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:23:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_1 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_2 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_6 [2019-10-02 10:23:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2019-10-02 10:23:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_18 [2019-10-02 10:23:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-02 10:23:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-02 10:23:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-02 10:23:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-02 10:23:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-02 10:23:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-02 10:23:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-02 10:23:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-02 10:23:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-02 10:23:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-02 10:23:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_29 [2019-10-02 10:23:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_30 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_31 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_32 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-02 10:23:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-02 10:23:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_38 [2019-10-02 10:23:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_39 [2019-10-02 10:23:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-02 10:23:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_41 [2019-10-02 10:23:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_42 [2019-10-02 10:23:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2019-10-02 10:23:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_driver_lock [2019-10-02 10:23:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_driver_lock [2019-10-02 10:23:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2019-10-02 10:23:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_driver_lock [2019-10-02 10:23:57,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-10-02 10:23:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_driver_lock [2019-10-02 10:23:57,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2019-10-02 10:23:57,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2019-10-02 10:23:57,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 10:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 10:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 10:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 10:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 10:23:57,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 10:23:57,151 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 10:23:57,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-02 10:23:57,153 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_4 [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 10:23:57,154 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2019-10-02 10:23:57,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 10:23:57,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 10:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-02 10:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-02 10:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 10:23:57,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-02 10:23:57,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 10:23:57,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 10:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 10:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 10:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 10:23:57,160 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-02 10:23:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:23:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 10:23:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 10:23:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 10:23:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-02 10:23:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_30 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_32 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_41 [2019-10-02 10:23:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_42 [2019-10-02 10:23:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 10:23:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 10:23:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-02 10:23:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-02 10:23:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-02 10:23:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-02 10:23:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-02 10:23:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_18 [2019-10-02 10:23:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-02 10:23:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_29 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_31 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_38 [2019-10-02 10:23:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 10:23:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_2 [2019-10-02 10:23:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_1 [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_39 [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:23:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 10:23:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_loff_t [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 10:23:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 10:23:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-02 10:23:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-02 10:23:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-02 10:23:57,184 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-02 10:23:57,185 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-02 10:23:57,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_6 [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-02 10:23:57,187 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-02 10:23:57,188 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2019-10-02 10:23:57,189 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2019-10-02 10:23:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2019-10-02 10:23:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2019-10-02 10:23:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2019-10-02 10:23:57,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2019-10-02 10:23:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2019-10-02 10:23:57,192 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2019-10-02 10:23:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2019-10-02 10:23:57,194 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2019-10-02 10:23:57,195 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2019-10-02 10:23:57,196 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-10-02 10:23:57,197 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_4 [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:23:57,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_driver_lock [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_driver_lock [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_driver_lock [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_driver_lock [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-10-02 10:23:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_imon_context [2019-10-02 10:23:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-10-02 10:23:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-10-02 10:23:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 10:23:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 10:23:57,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:23:57,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 10:23:57,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 10:23:58,474 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 10:24:16,171 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:24:16,172 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 10:24:16,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:24:16 BoogieIcfgContainer [2019-10-02 10:24:16,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:24:16,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:24:16,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:24:16,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:24:16,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:23:53" (1/3) ... [2019-10-02 10:24:16,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a90e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:24:16, skipping insertion in model container [2019-10-02 10:24:16,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:23:56" (2/3) ... [2019-10-02 10:24:16,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a90e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:24:16, skipping insertion in model container [2019-10-02 10:24:16,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:24:16" (3/3) ... [2019-10-02 10:24:16,184 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point.cil.out.i [2019-10-02 10:24:16,194 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:24:16,206 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:24:16,224 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:24:16,266 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:24:16,267 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:24:16,267 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:24:16,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:24:16,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:24:16,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:24:16,268 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:24:16,268 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:24:16,268 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:24:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states. [2019-10-02 10:24:16,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-02 10:24:16,403 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:16,404 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:16,407 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:16,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:16,416 INFO L82 PathProgramCache]: Analyzing trace with hash -570253949, now seen corresponding path program 1 times [2019-10-02 10:24:16,418 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:16,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:16,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:16,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:16,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:17,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:17,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:17,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:17,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:17,745 INFO L87 Difference]: Start difference. First operand 1933 states. Second operand 3 states. [2019-10-02 10:24:19,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:19,510 INFO L93 Difference]: Finished difference Result 4145 states and 5699 transitions. [2019-10-02 10:24:19,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:19,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2019-10-02 10:24:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:19,549 INFO L225 Difference]: With dead ends: 4145 [2019-10-02 10:24:19,549 INFO L226 Difference]: Without dead ends: 2718 [2019-10-02 10:24:19,564 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:19,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2019-10-02 10:24:19,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2691. [2019-10-02 10:24:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2691 states. [2019-10-02 10:24:19,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 3558 transitions. [2019-10-02 10:24:19,848 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 3558 transitions. Word has length 85 [2019-10-02 10:24:19,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:19,851 INFO L475 AbstractCegarLoop]: Abstraction has 2691 states and 3558 transitions. [2019-10-02 10:24:19,851 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3558 transitions. [2019-10-02 10:24:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-02 10:24:19,864 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:19,865 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:19,865 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:19,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:19,866 INFO L82 PathProgramCache]: Analyzing trace with hash 318433964, now seen corresponding path program 1 times [2019-10-02 10:24:19,866 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:19,866 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:19,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:19,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:19,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:20,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:20,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:20,425 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:20,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:20,425 INFO L87 Difference]: Start difference. First operand 2691 states and 3558 transitions. Second operand 3 states. [2019-10-02 10:24:22,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:22,228 INFO L93 Difference]: Finished difference Result 6614 states and 8733 transitions. [2019-10-02 10:24:22,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:22,229 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-02 10:24:22,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:22,259 INFO L225 Difference]: With dead ends: 6614 [2019-10-02 10:24:22,259 INFO L226 Difference]: Without dead ends: 3957 [2019-10-02 10:24:22,271 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:22,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2019-10-02 10:24:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3914. [2019-10-02 10:24:22,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3914 states. [2019-10-02 10:24:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3914 states and 5165 transitions. [2019-10-02 10:24:22,464 INFO L78 Accepts]: Start accepts. Automaton has 3914 states and 5165 transitions. Word has length 86 [2019-10-02 10:24:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:22,465 INFO L475 AbstractCegarLoop]: Abstraction has 3914 states and 5165 transitions. [2019-10-02 10:24:22,465 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3914 states and 5165 transitions. [2019-10-02 10:24:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-02 10:24:22,467 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:22,467 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:22,468 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:22,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:22,468 INFO L82 PathProgramCache]: Analyzing trace with hash -131962579, now seen corresponding path program 1 times [2019-10-02 10:24:22,469 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:22,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:22,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:22,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:22,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:22,925 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:22,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:22,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:22,926 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:22,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:22,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:22,926 INFO L87 Difference]: Start difference. First operand 3914 states and 5165 transitions. Second operand 3 states. [2019-10-02 10:24:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:25,189 INFO L93 Difference]: Finished difference Result 11129 states and 14667 transitions. [2019-10-02 10:24:25,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:25,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2019-10-02 10:24:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:25,264 INFO L225 Difference]: With dead ends: 11129 [2019-10-02 10:24:25,264 INFO L226 Difference]: Without dead ends: 7258 [2019-10-02 10:24:25,284 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7258 states. [2019-10-02 10:24:25,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7258 to 7232. [2019-10-02 10:24:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7232 states. [2019-10-02 10:24:25,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7232 states to 7232 states and 9524 transitions. [2019-10-02 10:24:25,634 INFO L78 Accepts]: Start accepts. Automaton has 7232 states and 9524 transitions. Word has length 91 [2019-10-02 10:24:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:25,635 INFO L475 AbstractCegarLoop]: Abstraction has 7232 states and 9524 transitions. [2019-10-02 10:24:25,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 7232 states and 9524 transitions. [2019-10-02 10:24:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-10-02 10:24:25,638 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:25,638 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:25,638 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:25,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:25,639 INFO L82 PathProgramCache]: Analyzing trace with hash 720976582, now seen corresponding path program 1 times [2019-10-02 10:24:25,639 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:25,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:25,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:25,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:25,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:26,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:26,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:26,213 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:26,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:26,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:26,214 INFO L87 Difference]: Start difference. First operand 7232 states and 9524 transitions. Second operand 3 states. [2019-10-02 10:24:31,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:31,071 INFO L93 Difference]: Finished difference Result 21387 states and 28211 transitions. [2019-10-02 10:24:31,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:31,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-10-02 10:24:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:31,209 INFO L225 Difference]: With dead ends: 21387 [2019-10-02 10:24:31,209 INFO L226 Difference]: Without dead ends: 14198 [2019-10-02 10:24:31,247 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14198 states. [2019-10-02 10:24:31,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14198 to 14188. [2019-10-02 10:24:31,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14188 states. [2019-10-02 10:24:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14188 states to 14188 states and 18707 transitions. [2019-10-02 10:24:33,181 INFO L78 Accepts]: Start accepts. Automaton has 14188 states and 18707 transitions. Word has length 95 [2019-10-02 10:24:33,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:33,181 INFO L475 AbstractCegarLoop]: Abstraction has 14188 states and 18707 transitions. [2019-10-02 10:24:33,181 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:33,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14188 states and 18707 transitions. [2019-10-02 10:24:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 10:24:33,191 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:33,192 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:33,192 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:33,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:33,193 INFO L82 PathProgramCache]: Analyzing trace with hash 390627517, now seen corresponding path program 1 times [2019-10-02 10:24:33,193 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:33,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:33,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:33,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:33,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:33,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:33,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:33,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:33,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:33,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:33,724 INFO L87 Difference]: Start difference. First operand 14188 states and 18707 transitions. Second operand 3 states. [2019-10-02 10:24:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:36,725 INFO L93 Difference]: Finished difference Result 40949 states and 53824 transitions. [2019-10-02 10:24:36,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:36,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2019-10-02 10:24:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:36,884 INFO L225 Difference]: With dead ends: 40949 [2019-10-02 10:24:36,884 INFO L226 Difference]: Without dead ends: 26804 [2019-10-02 10:24:36,955 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:36,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26804 states. [2019-10-02 10:24:38,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26804 to 26776. [2019-10-02 10:24:38,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26776 states. [2019-10-02 10:24:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26776 states to 26776 states and 35125 transitions. [2019-10-02 10:24:38,122 INFO L78 Accepts]: Start accepts. Automaton has 26776 states and 35125 transitions. Word has length 99 [2019-10-02 10:24:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:38,124 INFO L475 AbstractCegarLoop]: Abstraction has 26776 states and 35125 transitions. [2019-10-02 10:24:38,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 26776 states and 35125 transitions. [2019-10-02 10:24:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-02 10:24:38,126 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:38,126 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:38,126 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:38,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:38,127 INFO L82 PathProgramCache]: Analyzing trace with hash -379526951, now seen corresponding path program 1 times [2019-10-02 10:24:38,127 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:38,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:38,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:38,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:38,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-02 10:24:38,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:38,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:38,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:38,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:38,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:38,533 INFO L87 Difference]: Start difference. First operand 26776 states and 35125 transitions. Second operand 3 states. [2019-10-02 10:24:41,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:41,296 INFO L93 Difference]: Finished difference Result 77485 states and 101650 transitions. [2019-10-02 10:24:41,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:41,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-02 10:24:41,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:41,549 INFO L225 Difference]: With dead ends: 77485 [2019-10-02 10:24:41,549 INFO L226 Difference]: Without dead ends: 50752 [2019-10-02 10:24:41,631 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:41,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50752 states. [2019-10-02 10:24:43,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50752 to 50722. [2019-10-02 10:24:43,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50722 states. [2019-10-02 10:24:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50722 states to 50722 states and 66515 transitions. [2019-10-02 10:24:43,553 INFO L78 Accepts]: Start accepts. Automaton has 50722 states and 66515 transitions. Word has length 100 [2019-10-02 10:24:43,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:43,554 INFO L475 AbstractCegarLoop]: Abstraction has 50722 states and 66515 transitions. [2019-10-02 10:24:43,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:43,554 INFO L276 IsEmpty]: Start isEmpty. Operand 50722 states and 66515 transitions. [2019-10-02 10:24:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-02 10:24:43,556 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:43,556 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:43,556 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:43,557 INFO L82 PathProgramCache]: Analyzing trace with hash 851092675, now seen corresponding path program 1 times [2019-10-02 10:24:43,557 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:43,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:43,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 10:24:44,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:44,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:44,025 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:44,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:44,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:44,026 INFO L87 Difference]: Start difference. First operand 50722 states and 66515 transitions. Second operand 3 states. [2019-10-02 10:24:50,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:50,367 INFO L93 Difference]: Finished difference Result 56976 states and 73413 transitions. [2019-10-02 10:24:50,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:50,368 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2019-10-02 10:24:50,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:50,632 INFO L225 Difference]: With dead ends: 56976 [2019-10-02 10:24:50,632 INFO L226 Difference]: Without dead ends: 56972 [2019-10-02 10:24:50,656 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56972 states. [2019-10-02 10:24:52,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56972 to 56968. [2019-10-02 10:24:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56968 states. [2019-10-02 10:24:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56968 states to 56968 states and 73350 transitions. [2019-10-02 10:24:52,171 INFO L78 Accepts]: Start accepts. Automaton has 56968 states and 73350 transitions. Word has length 117 [2019-10-02 10:24:52,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:24:52,171 INFO L475 AbstractCegarLoop]: Abstraction has 56968 states and 73350 transitions. [2019-10-02 10:24:52,171 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:24:52,171 INFO L276 IsEmpty]: Start isEmpty. Operand 56968 states and 73350 transitions. [2019-10-02 10:24:52,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-10-02 10:24:52,173 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:24:52,173 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:24:52,174 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:24:52,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:24:52,174 INFO L82 PathProgramCache]: Analyzing trace with hash 613197038, now seen corresponding path program 1 times [2019-10-02 10:24:52,174 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:24:52,174 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:24:52,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:52,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:24:52,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:24:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:24:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 10:24:52,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:24:52,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:24:52,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:24:52,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:24:52,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:52,583 INFO L87 Difference]: Start difference. First operand 56968 states and 73350 transitions. Second operand 3 states. [2019-10-02 10:24:58,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:24:58,497 INFO L93 Difference]: Finished difference Result 137940 states and 177722 transitions. [2019-10-02 10:24:58,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:24:58,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2019-10-02 10:24:58,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:24:59,066 INFO L225 Difference]: With dead ends: 137940 [2019-10-02 10:24:59,066 INFO L226 Difference]: Without dead ends: 81015 [2019-10-02 10:24:59,220 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:24:59,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81015 states. [2019-10-02 10:25:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81015 to 80668. [2019-10-02 10:25:04,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80668 states. [2019-10-02 10:25:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80668 states to 80668 states and 103610 transitions. [2019-10-02 10:25:05,059 INFO L78 Accepts]: Start accepts. Automaton has 80668 states and 103610 transitions. Word has length 118 [2019-10-02 10:25:05,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:05,059 INFO L475 AbstractCegarLoop]: Abstraction has 80668 states and 103610 transitions. [2019-10-02 10:25:05,060 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80668 states and 103610 transitions. [2019-10-02 10:25:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-02 10:25:05,061 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:05,062 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:05,062 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:05,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:05,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1828371750, now seen corresponding path program 1 times [2019-10-02 10:25:05,062 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:05,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:05,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:05,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-02 10:25:05,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:05,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:25:05,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:25:05,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:25:05,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:05,425 INFO L87 Difference]: Start difference. First operand 80668 states and 103610 transitions. Second operand 3 states. [2019-10-02 10:25:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:10,492 INFO L93 Difference]: Finished difference Result 80670 states and 103611 transitions. [2019-10-02 10:25:10,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:25:10,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-02 10:25:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:11,218 INFO L225 Difference]: With dead ends: 80670 [2019-10-02 10:25:11,218 INFO L226 Difference]: Without dead ends: 80650 [2019-10-02 10:25:11,252 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:11,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80650 states. [2019-10-02 10:25:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80650 to 80650. [2019-10-02 10:25:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80650 states. [2019-10-02 10:25:15,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80650 states to 80650 states and 103543 transitions. [2019-10-02 10:25:15,579 INFO L78 Accepts]: Start accepts. Automaton has 80650 states and 103543 transitions. Word has length 119 [2019-10-02 10:25:15,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:15,580 INFO L475 AbstractCegarLoop]: Abstraction has 80650 states and 103543 transitions. [2019-10-02 10:25:15,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:15,580 INFO L276 IsEmpty]: Start isEmpty. Operand 80650 states and 103543 transitions. [2019-10-02 10:25:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-02 10:25:15,589 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:15,589 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 4, 4, 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] [2019-10-02 10:25:15,590 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:15,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:15,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1229932050, now seen corresponding path program 1 times [2019-10-02 10:25:15,590 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:15,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:15,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:15,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:15,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-10-02 10:25:16,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:16,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:25:16,056 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:25:16,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:25:16,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:16,058 INFO L87 Difference]: Start difference. First operand 80650 states and 103543 transitions. Second operand 3 states. [2019-10-02 10:25:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:19,022 INFO L93 Difference]: Finished difference Result 121890 states and 156403 transitions. [2019-10-02 10:25:19,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:25:19,022 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-02 10:25:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:19,167 INFO L225 Difference]: With dead ends: 121890 [2019-10-02 10:25:19,167 INFO L226 Difference]: Without dead ends: 41283 [2019-10-02 10:25:19,313 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:19,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41283 states. [2019-10-02 10:25:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41283 to 40637. [2019-10-02 10:25:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40637 states. [2019-10-02 10:25:20,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40637 states to 40637 states and 52196 transitions. [2019-10-02 10:25:20,214 INFO L78 Accepts]: Start accepts. Automaton has 40637 states and 52196 transitions. Word has length 208 [2019-10-02 10:25:20,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:20,215 INFO L475 AbstractCegarLoop]: Abstraction has 40637 states and 52196 transitions. [2019-10-02 10:25:20,215 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40637 states and 52196 transitions. [2019-10-02 10:25:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-02 10:25:20,229 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:20,229 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:20,230 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:20,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:20,230 INFO L82 PathProgramCache]: Analyzing trace with hash 553102558, now seen corresponding path program 1 times [2019-10-02 10:25:20,230 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:20,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:20,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:20,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:20,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2019-10-02 10:25:21,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:21,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:25:21,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:25:21,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:25:21,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:21,295 INFO L87 Difference]: Start difference. First operand 40637 states and 52196 transitions. Second operand 3 states. [2019-10-02 10:25:26,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:26,241 INFO L93 Difference]: Finished difference Result 81174 states and 104331 transitions. [2019-10-02 10:25:26,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:25:26,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2019-10-02 10:25:26,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:26,383 INFO L225 Difference]: With dead ends: 81174 [2019-10-02 10:25:26,383 INFO L226 Difference]: Without dead ends: 40640 [2019-10-02 10:25:26,453 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:26,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40640 states. [2019-10-02 10:25:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40640 to 39770. [2019-10-02 10:25:29,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39770 states. [2019-10-02 10:25:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39770 states to 39770 states and 50573 transitions. [2019-10-02 10:25:29,269 INFO L78 Accepts]: Start accepts. Automaton has 39770 states and 50573 transitions. Word has length 212 [2019-10-02 10:25:29,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:29,270 INFO L475 AbstractCegarLoop]: Abstraction has 39770 states and 50573 transitions. [2019-10-02 10:25:29,270 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 39770 states and 50573 transitions. [2019-10-02 10:25:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-02 10:25:29,298 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:29,298 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2019-10-02 10:25:29,298 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:29,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1818056851, now seen corresponding path program 1 times [2019-10-02 10:25:29,299 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:29,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:29,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:29,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:29,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2019-10-02 10:25:29,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:29,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:25:29,737 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:25:29,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:25:29,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:29,738 INFO L87 Difference]: Start difference. First operand 39770 states and 50573 transitions. Second operand 3 states. [2019-10-02 10:25:34,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:34,230 INFO L93 Difference]: Finished difference Result 39780 states and 50581 transitions. [2019-10-02 10:25:34,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:25:34,231 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-10-02 10:25:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:34,380 INFO L225 Difference]: With dead ends: 39780 [2019-10-02 10:25:34,381 INFO L226 Difference]: Without dead ends: 39777 [2019-10-02 10:25:34,403 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39777 states. [2019-10-02 10:25:35,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39777 to 39769. [2019-10-02 10:25:35,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39769 states. [2019-10-02 10:25:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39769 states to 39769 states and 50516 transitions. [2019-10-02 10:25:35,559 INFO L78 Accepts]: Start accepts. Automaton has 39769 states and 50516 transitions. Word has length 228 [2019-10-02 10:25:35,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:35,560 INFO L475 AbstractCegarLoop]: Abstraction has 39769 states and 50516 transitions. [2019-10-02 10:25:35,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 39769 states and 50516 transitions. [2019-10-02 10:25:35,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-02 10:25:35,630 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:35,630 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:35,630 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:35,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:35,631 INFO L82 PathProgramCache]: Analyzing trace with hash -2474560, now seen corresponding path program 1 times [2019-10-02 10:25:35,631 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:35,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:35,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:35,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:35,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2019-10-02 10:25:36,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:36,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:25:36,265 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:25:36,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:25:36,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:25:36,266 INFO L87 Difference]: Start difference. First operand 39769 states and 50516 transitions. Second operand 6 states. [2019-10-02 10:25:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:41,349 INFO L93 Difference]: Finished difference Result 79521 states and 100998 transitions. [2019-10-02 10:25:41,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:25:41,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 285 [2019-10-02 10:25:41,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:41,457 INFO L225 Difference]: With dead ends: 79521 [2019-10-02 10:25:41,458 INFO L226 Difference]: Without dead ends: 39815 [2019-10-02 10:25:41,518 INFO L640 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 [2019-10-02 10:25:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39815 states. [2019-10-02 10:25:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39815 to 39795. [2019-10-02 10:25:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39795 states. [2019-10-02 10:25:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39795 states to 39795 states and 50534 transitions. [2019-10-02 10:25:42,814 INFO L78 Accepts]: Start accepts. Automaton has 39795 states and 50534 transitions. Word has length 285 [2019-10-02 10:25:42,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:42,815 INFO L475 AbstractCegarLoop]: Abstraction has 39795 states and 50534 transitions. [2019-10-02 10:25:42,815 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:25:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 39795 states and 50534 transitions. [2019-10-02 10:25:42,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-10-02 10:25:42,886 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:42,886 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:42,886 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:42,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:42,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1968461314, now seen corresponding path program 1 times [2019-10-02 10:25:42,887 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:42,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:42,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:42,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:42,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2019-10-02 10:25:43,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:43,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:25:43,452 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:25:43,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:25:43,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:25:43,453 INFO L87 Difference]: Start difference. First operand 39795 states and 50534 transitions. Second operand 5 states. [2019-10-02 10:25:44,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:44,515 INFO L93 Difference]: Finished difference Result 79679 states and 101181 transitions. [2019-10-02 10:25:44,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:25:44,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 285 [2019-10-02 10:25:44,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:44,628 INFO L225 Difference]: With dead ends: 79679 [2019-10-02 10:25:44,628 INFO L226 Difference]: Without dead ends: 39987 [2019-10-02 10:25:44,687 INFO L640 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 [2019-10-02 10:25:44,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39987 states. [2019-10-02 10:25:46,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39987 to 39987. [2019-10-02 10:25:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39987 states. [2019-10-02 10:25:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39987 states to 39987 states and 50726 transitions. [2019-10-02 10:25:46,208 INFO L78 Accepts]: Start accepts. Automaton has 39987 states and 50726 transitions. Word has length 285 [2019-10-02 10:25:46,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:46,209 INFO L475 AbstractCegarLoop]: Abstraction has 39987 states and 50726 transitions. [2019-10-02 10:25:46,209 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:25:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 39987 states and 50726 transitions. [2019-10-02 10:25:46,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-02 10:25:46,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:46,247 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:46,247 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:46,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:46,247 INFO L82 PathProgramCache]: Analyzing trace with hash -72784376, now seen corresponding path program 1 times [2019-10-02 10:25:46,247 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:46,248 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:46,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:46,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:46,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2019-10-02 10:25:46,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:46,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:25:46,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:25:46,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:25:46,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:46,706 INFO L87 Difference]: Start difference. First operand 39987 states and 50726 transitions. Second operand 3 states. [2019-10-02 10:25:47,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:47,765 INFO L93 Difference]: Finished difference Result 80095 states and 101677 transitions. [2019-10-02 10:25:47,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:25:47,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-02 10:25:47,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:47,881 INFO L225 Difference]: With dead ends: 80095 [2019-10-02 10:25:47,881 INFO L226 Difference]: Without dead ends: 40211 [2019-10-02 10:25:47,945 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:25:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40211 states. [2019-10-02 10:25:49,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40211 to 40179. [2019-10-02 10:25:49,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40179 states. [2019-10-02 10:25:49,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40179 states to 40179 states and 50982 transitions. [2019-10-02 10:25:49,309 INFO L78 Accepts]: Start accepts. Automaton has 40179 states and 50982 transitions. Word has length 296 [2019-10-02 10:25:49,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:49,310 INFO L475 AbstractCegarLoop]: Abstraction has 40179 states and 50982 transitions. [2019-10-02 10:25:49,310 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:25:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 40179 states and 50982 transitions. [2019-10-02 10:25:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-10-02 10:25:49,359 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:49,359 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:49,360 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:49,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1465631296, now seen corresponding path program 1 times [2019-10-02 10:25:49,360 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:49,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:49,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:49,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:49,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked. [2019-10-02 10:25:49,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:49,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:25:49,902 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:25:49,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:25:49,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:25:49,903 INFO L87 Difference]: Start difference. First operand 40179 states and 50982 transitions. Second operand 5 states. [2019-10-02 10:25:50,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:50,652 INFO L93 Difference]: Finished difference Result 79771 states and 101177 transitions. [2019-10-02 10:25:50,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:25:50,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 300 [2019-10-02 10:25:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:50,775 INFO L225 Difference]: With dead ends: 79771 [2019-10-02 10:25:50,776 INFO L226 Difference]: Without dead ends: 39695 [2019-10-02 10:25:50,838 INFO L640 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 [2019-10-02 10:25:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39695 states. [2019-10-02 10:25:52,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39695 to 39375. [2019-10-02 10:25:52,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39375 states. [2019-10-02 10:25:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39375 states to 39375 states and 49858 transitions. [2019-10-02 10:25:52,101 INFO L78 Accepts]: Start accepts. Automaton has 39375 states and 49858 transitions. Word has length 300 [2019-10-02 10:25:52,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:25:52,102 INFO L475 AbstractCegarLoop]: Abstraction has 39375 states and 49858 transitions. [2019-10-02 10:25:52,102 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:25:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 39375 states and 49858 transitions. [2019-10-02 10:25:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-02 10:25:52,152 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:25:52,152 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:25:52,152 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:25:52,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:25:52,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1854997336, now seen corresponding path program 1 times [2019-10-02 10:25:52,153 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:25:52,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:25:52,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:52,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:25:52,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:25:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:25:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2019-10-02 10:25:52,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:25:52,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:25:52,762 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:25:52,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:25:52,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:25:52,762 INFO L87 Difference]: Start difference. First operand 39375 states and 49858 transitions. Second operand 6 states. [2019-10-02 10:25:58,098 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-10-02 10:25:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:25:58,471 INFO L93 Difference]: Finished difference Result 109859 states and 139047 transitions. [2019-10-02 10:25:58,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 10:25:58,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 371 [2019-10-02 10:25:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:25:58,760 INFO L225 Difference]: With dead ends: 109859 [2019-10-02 10:25:58,761 INFO L226 Difference]: Without dead ends: 70587 [2019-10-02 10:25:58,841 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:25:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70587 states. [2019-10-02 10:26:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70587 to 70531. [2019-10-02 10:26:00,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70531 states. [2019-10-02 10:26:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70531 states to 70531 states and 89229 transitions. [2019-10-02 10:26:00,611 INFO L78 Accepts]: Start accepts. Automaton has 70531 states and 89229 transitions. Word has length 371 [2019-10-02 10:26:00,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:00,611 INFO L475 AbstractCegarLoop]: Abstraction has 70531 states and 89229 transitions. [2019-10-02 10:26:00,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:26:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 70531 states and 89229 transitions. [2019-10-02 10:26:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-02 10:26:00,693 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:00,694 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:00,694 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:00,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1418901606, now seen corresponding path program 1 times [2019-10-02 10:26:00,695 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:00,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:00,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2019-10-02 10:26:03,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:26:03,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:26:03,588 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:26:03,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:26:03,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:26:03,589 INFO L87 Difference]: Start difference. First operand 70531 states and 89229 transitions. Second operand 6 states. [2019-10-02 10:26:05,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:05,091 INFO L93 Difference]: Finished difference Result 142719 states and 181371 transitions. [2019-10-02 10:26:05,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:26:05,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 371 [2019-10-02 10:26:05,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:05,370 INFO L225 Difference]: With dead ends: 142719 [2019-10-02 10:26:05,370 INFO L226 Difference]: Without dead ends: 72291 [2019-10-02 10:26:05,481 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 10:26:05,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72291 states. [2019-10-02 10:26:07,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72291 to 71523. [2019-10-02 10:26:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71523 states. [2019-10-02 10:26:07,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71523 states to 71523 states and 90765 transitions. [2019-10-02 10:26:07,492 INFO L78 Accepts]: Start accepts. Automaton has 71523 states and 90765 transitions. Word has length 371 [2019-10-02 10:26:07,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:07,492 INFO L475 AbstractCegarLoop]: Abstraction has 71523 states and 90765 transitions. [2019-10-02 10:26:07,492 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:26:07,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71523 states and 90765 transitions. [2019-10-02 10:26:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-10-02 10:26:07,574 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:07,575 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:07,575 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:07,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:07,575 INFO L82 PathProgramCache]: Analyzing trace with hash -914491032, now seen corresponding path program 1 times [2019-10-02 10:26:07,576 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:07,576 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:07,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:07,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:07,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:08,104 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2019-10-02 10:26:08,105 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:26:08,105 INFO L224 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 [2019-10-02 10:26:08,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:11,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 8059 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 10:26:11,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:26:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2019-10-02 10:26:12,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:26:12,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 10:26:12,011 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:26:12,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:26:12,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:26:12,011 INFO L87 Difference]: Start difference. First operand 71523 states and 90765 transitions. Second operand 5 states. [2019-10-02 10:26:18,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:18,121 INFO L93 Difference]: Finished difference Result 143135 states and 181851 transitions. [2019-10-02 10:26:18,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 10:26:18,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 371 [2019-10-02 10:26:18,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:18,747 INFO L225 Difference]: With dead ends: 143135 [2019-10-02 10:26:18,747 INFO L226 Difference]: Without dead ends: 71715 [2019-10-02 10:26:18,915 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 373 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:26:18,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71715 states. [2019-10-02 10:26:21,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71715 to 71555. [2019-10-02 10:26:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71555 states. [2019-10-02 10:26:22,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71555 states to 71555 states and 90797 transitions. [2019-10-02 10:26:22,050 INFO L78 Accepts]: Start accepts. Automaton has 71555 states and 90797 transitions. Word has length 371 [2019-10-02 10:26:22,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:22,051 INFO L475 AbstractCegarLoop]: Abstraction has 71555 states and 90797 transitions. [2019-10-02 10:26:22,051 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:26:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 71555 states and 90797 transitions. [2019-10-02 10:26:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-10-02 10:26:22,289 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:22,289 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:22,289 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:22,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:22,290 INFO L82 PathProgramCache]: Analyzing trace with hash -296202864, now seen corresponding path program 1 times [2019-10-02 10:26:22,290 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:22,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:22,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:22,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:22,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:23,230 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2019-10-02 10:26:23,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:26:23,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:26:23,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:26:23,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:26:23,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:26:23,232 INFO L87 Difference]: Start difference. First operand 71555 states and 90797 transitions. Second operand 3 states. [2019-10-02 10:26:25,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:25,193 INFO L93 Difference]: Finished difference Result 143007 states and 181755 transitions. [2019-10-02 10:26:25,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:26:25,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 381 [2019-10-02 10:26:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:28,551 INFO L225 Difference]: With dead ends: 143007 [2019-10-02 10:26:28,553 INFO L226 Difference]: Without dead ends: 71555 [2019-10-02 10:26:28,682 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:26:28,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71555 states. [2019-10-02 10:26:30,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71555 to 71555. [2019-10-02 10:26:30,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71555 states. [2019-10-02 10:26:30,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71555 states to 71555 states and 90733 transitions. [2019-10-02 10:26:30,566 INFO L78 Accepts]: Start accepts. Automaton has 71555 states and 90733 transitions. Word has length 381 [2019-10-02 10:26:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:30,567 INFO L475 AbstractCegarLoop]: Abstraction has 71555 states and 90733 transitions. [2019-10-02 10:26:30,567 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:26:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 71555 states and 90733 transitions. [2019-10-02 10:26:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2019-10-02 10:26:30,664 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:30,664 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:30,664 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:30,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:30,665 INFO L82 PathProgramCache]: Analyzing trace with hash 657737294, now seen corresponding path program 1 times [2019-10-02 10:26:30,665 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:30,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:30,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:30,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:30,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2019-10-02 10:26:31,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:26:31,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 10:26:31,472 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 10:26:31,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 10:26:31,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 10:26:31,473 INFO L87 Difference]: Start difference. First operand 71555 states and 90733 transitions. Second operand 4 states. [2019-10-02 10:26:33,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:33,752 INFO L93 Difference]: Finished difference Result 143071 states and 181418 transitions. [2019-10-02 10:26:33,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 10:26:33,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 381 [2019-10-02 10:26:33,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:34,056 INFO L225 Difference]: With dead ends: 143071 [2019-10-02 10:26:34,056 INFO L226 Difference]: Without dead ends: 71556 [2019-10-02 10:26:34,199 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:26:34,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71556 states. [2019-10-02 10:26:36,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71556 to 71556. [2019-10-02 10:26:36,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71556 states. [2019-10-02 10:26:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71556 states to 71556 states and 90734 transitions. [2019-10-02 10:26:36,638 INFO L78 Accepts]: Start accepts. Automaton has 71556 states and 90734 transitions. Word has length 381 [2019-10-02 10:26:36,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:36,638 INFO L475 AbstractCegarLoop]: Abstraction has 71556 states and 90734 transitions. [2019-10-02 10:26:36,638 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 10:26:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 71556 states and 90734 transitions. [2019-10-02 10:26:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2019-10-02 10:26:36,735 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:36,735 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:36,735 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:36,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:36,735 INFO L82 PathProgramCache]: Analyzing trace with hash -260443136, now seen corresponding path program 1 times [2019-10-02 10:26:36,736 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:36,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:36,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:36,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:36,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:37,940 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 661 trivial. 0 not checked. [2019-10-02 10:26:37,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:26:37,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:26:37,942 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:26:37,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:26:37,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:26:37,943 INFO L87 Difference]: Start difference. First operand 71556 states and 90734 transitions. Second operand 3 states. [2019-10-02 10:26:39,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:39,758 INFO L93 Difference]: Finished difference Result 144064 states and 183292 transitions. [2019-10-02 10:26:39,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:26:39,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 382 [2019-10-02 10:26:39,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:40,054 INFO L225 Difference]: With dead ends: 144064 [2019-10-02 10:26:40,054 INFO L226 Difference]: Without dead ends: 72612 [2019-10-02 10:26:40,214 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:26:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72612 states. [2019-10-02 10:26:44,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72612 to 72420. [2019-10-02 10:26:44,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72420 states. [2019-10-02 10:26:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72420 states to 72420 states and 91950 transitions. [2019-10-02 10:26:45,123 INFO L78 Accepts]: Start accepts. Automaton has 72420 states and 91950 transitions. Word has length 382 [2019-10-02 10:26:45,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:45,124 INFO L475 AbstractCegarLoop]: Abstraction has 72420 states and 91950 transitions. [2019-10-02 10:26:45,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:26:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 72420 states and 91950 transitions. [2019-10-02 10:26:45,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2019-10-02 10:26:45,217 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:45,218 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:26:45,218 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:45,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:45,218 INFO L82 PathProgramCache]: Analyzing trace with hash -441790823, now seen corresponding path program 1 times [2019-10-02 10:26:45,218 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:45,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:45,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:45,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:47,348 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2019-10-02 10:26:47,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:26:47,350 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:26:47,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:51,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 8154 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 10:26:51,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:26:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 324 proven. 1 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2019-10-02 10:26:51,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 10:26:51,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 10:26:51,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 10:26:51,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 10:26:51,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:26:51,233 INFO L87 Difference]: Start difference. First operand 72420 states and 91950 transitions. Second operand 8 states. [2019-10-02 10:26:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:26:52,572 INFO L93 Difference]: Finished difference Result 144800 states and 183851 transitions. [2019-10-02 10:26:52,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:26:52,573 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 388 [2019-10-02 10:26:52,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:26:52,855 INFO L225 Difference]: With dead ends: 144800 [2019-10-02 10:26:52,855 INFO L226 Difference]: Without dead ends: 72421 [2019-10-02 10:26:53,625 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2019-10-02 10:26:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72421 states. [2019-10-02 10:26:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72421 to 72421. [2019-10-02 10:26:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72421 states. [2019-10-02 10:26:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72421 states to 72421 states and 91951 transitions. [2019-10-02 10:26:55,233 INFO L78 Accepts]: Start accepts. Automaton has 72421 states and 91951 transitions. Word has length 388 [2019-10-02 10:26:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:26:55,233 INFO L475 AbstractCegarLoop]: Abstraction has 72421 states and 91951 transitions. [2019-10-02 10:26:55,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 10:26:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 72421 states and 91951 transitions. [2019-10-02 10:26:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-10-02 10:26:55,326 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:26:55,326 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 3, 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] [2019-10-02 10:26:55,327 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:26:55,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:26:55,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2057942183, now seen corresponding path program 2 times [2019-10-02 10:26:55,327 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:26:55,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:26:55,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:55,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:26:55,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:26:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:26:57,437 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2019-10-02 10:26:57,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:26:57,438 INFO L224 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 [2019-10-02 10:26:57,903 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 10:27:12,479 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 10:27:12,479 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 10:27:12,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 8160 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 10:27:12,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:27:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 324 proven. 3 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2019-10-02 10:27:13,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 10:27:13,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2019-10-02 10:27:13,088 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 10:27:13,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 10:27:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:27:13,089 INFO L87 Difference]: Start difference. First operand 72421 states and 91951 transitions. Second operand 10 states. [2019-10-02 10:27:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:27:14,288 INFO L93 Difference]: Finished difference Result 144801 states and 183852 transitions. [2019-10-02 10:27:14,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:27:14,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 389 [2019-10-02 10:27:14,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:27:17,375 INFO L225 Difference]: With dead ends: 144801 [2019-10-02 10:27:17,376 INFO L226 Difference]: Without dead ends: 72422 [2019-10-02 10:27:17,454 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:27:17,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72422 states. [2019-10-02 10:27:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72422 to 72422. [2019-10-02 10:27:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72422 states. [2019-10-02 10:27:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72422 states to 72422 states and 91952 transitions. [2019-10-02 10:27:18,975 INFO L78 Accepts]: Start accepts. Automaton has 72422 states and 91952 transitions. Word has length 389 [2019-10-02 10:27:18,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:27:18,975 INFO L475 AbstractCegarLoop]: Abstraction has 72422 states and 91952 transitions. [2019-10-02 10:27:18,975 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 10:27:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 72422 states and 91952 transitions. [2019-10-02 10:27:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2019-10-02 10:27:19,060 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:27:19,060 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:27:19,060 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:27:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:27:19,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2054713255, now seen corresponding path program 3 times [2019-10-02 10:27:19,061 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:27:19,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:27:19,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:27:19,070 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:27:19,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:27:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:27:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2019-10-02 10:27:21,288 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:27:21,288 INFO L224 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 [2019-10-02 10:27:21,750 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 10:27:36,103 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-10-02 10:27:36,103 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 10:27:36,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 6772 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 10:27:36,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:27:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2019-10-02 10:27:36,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:27:36,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-10-02 10:27:36,877 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 10:27:36,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 10:27:36,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:27:36,878 INFO L87 Difference]: Start difference. First operand 72422 states and 91952 transitions. Second operand 11 states. [2019-10-02 10:27:39,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:27:39,425 INFO L93 Difference]: Finished difference Result 146146 states and 186125 transitions. [2019-10-02 10:27:39,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 10:27:39,426 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 390 [2019-10-02 10:27:39,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:27:39,627 INFO L225 Difference]: With dead ends: 146146 [2019-10-02 10:27:39,627 INFO L226 Difference]: Without dead ends: 73767 [2019-10-02 10:27:39,714 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2019-10-02 10:27:39,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73767 states. [2019-10-02 10:27:41,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73767 to 72423. [2019-10-02 10:27:41,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72423 states. [2019-10-02 10:27:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72423 states to 72423 states and 91889 transitions. [2019-10-02 10:27:41,339 INFO L78 Accepts]: Start accepts. Automaton has 72423 states and 91889 transitions. Word has length 390 [2019-10-02 10:27:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:27:41,339 INFO L475 AbstractCegarLoop]: Abstraction has 72423 states and 91889 transitions. [2019-10-02 10:27:41,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 10:27:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 72423 states and 91889 transitions. [2019-10-02 10:27:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-02 10:27:41,432 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:27:41,433 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:27:41,433 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:27:41,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:27:41,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1685911785, now seen corresponding path program 1 times [2019-10-02 10:27:41,433 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:27:41,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:27:41,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:27:41,447 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:27:41,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:27:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:27:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2019-10-02 10:27:45,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:27:45,018 INFO L224 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 [2019-10-02 10:27:45,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:27:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:27:48,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 8173 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 10:27:48,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:27:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2019-10-02 10:27:48,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:27:48,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2019-10-02 10:27:48,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 10:27:48,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 10:27:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 10:27:48,765 INFO L87 Difference]: Start difference. First operand 72423 states and 91889 transitions. Second operand 9 states. [2019-10-02 10:27:50,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:27:50,877 INFO L93 Difference]: Finished difference Result 144739 states and 183951 transitions. [2019-10-02 10:27:50,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 10:27:50,878 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 391 [2019-10-02 10:27:50,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:27:51,105 INFO L225 Difference]: With dead ends: 144739 [2019-10-02 10:27:51,106 INFO L226 Difference]: Without dead ends: 72423 [2019-10-02 10:27:51,205 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:27:51,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72423 states. [2019-10-02 10:27:52,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72423 to 72423. [2019-10-02 10:27:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72423 states. [2019-10-02 10:27:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72423 states to 72423 states and 91777 transitions. [2019-10-02 10:27:52,839 INFO L78 Accepts]: Start accepts. Automaton has 72423 states and 91777 transitions. Word has length 391 [2019-10-02 10:27:52,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:27:52,840 INFO L475 AbstractCegarLoop]: Abstraction has 72423 states and 91777 transitions. [2019-10-02 10:27:52,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 10:27:52,840 INFO L276 IsEmpty]: Start isEmpty. Operand 72423 states and 91777 transitions. [2019-10-02 10:27:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-10-02 10:27:52,933 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:27:52,933 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 5, 5, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:27:52,933 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:27:52,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:27:52,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1044781225, now seen corresponding path program 1 times [2019-10-02 10:27:52,933 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:27:52,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:27:52,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:27:52,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:27:52,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:34:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat