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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 23:39:42,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:39:42,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:39:42,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:39:42,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:39:42,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:39:42,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:39:42,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:39:42,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:39:42,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:39:42,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:39:42,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:39:42,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:39:42,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:39:42,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:39:42,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:39:42,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:39:42,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:39:42,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:39:42,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:39:42,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:39:42,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:39:42,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:39:42,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:39:42,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:39:42,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:39:42,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:39:42,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:39:42,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:39:42,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:39:42,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:39:42,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:39:42,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:39:42,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:39:42,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:39:42,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:39:42,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:39:42,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:39:42,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:39:42,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:39:42,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:39:42,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:39:42,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:39:42,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:39:42,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:39:42,642 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:39:42,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:39:42,643 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:39:42,643 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:39:42,643 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:39:42,644 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:39:42,644 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:39:42,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:39:42,645 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:39:42,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:39:42,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:39:42,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:39:42,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:39:42,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:39:42,646 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:39:42,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:39:42,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:39:42,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:39:42,647 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:39:42,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:39:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:39:42,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:39:42,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:39:42,648 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:39:42,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:39:42,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:39:42,648 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:39:42,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:39:42,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:39:42,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:39:42,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:39:42,697 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:39:42,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-02 23:39:42,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff2e0a2/b74a2a0b45914a6aa21406bcdee7b9f2/FLAGdda243409 [2019-10-02 23:39:43,685 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:39:43,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-02 23:39:43,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff2e0a2/b74a2a0b45914a6aa21406bcdee7b9f2/FLAGdda243409 [2019-10-02 23:39:44,120 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71ff2e0a2/b74a2a0b45914a6aa21406bcdee7b9f2 [2019-10-02 23:39:44,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:39:44,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:39:44,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:39:44,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:39:44,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:39:44,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:39:44" (1/1) ... [2019-10-02 23:39:44,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d18d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:44, skipping insertion in model container [2019-10-02 23:39:44,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:39:44" (1/1) ... [2019-10-02 23:39:44,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:39:44,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:39:46,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:39:46,488 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:39:47,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:39:47,507 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:39:47,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47 WrapperNode [2019-10-02 23:39:47,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:39:47,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:39:47,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:39:47,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:39:47,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (1/1) ... [2019-10-02 23:39:47,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:39:47,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:39:47,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:39:47,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:39:47,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (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 23:39:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:39:48,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:39:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 23:39:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-02 23:39:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-02 23:39:48,051 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-02 23:39:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-02 23:39:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-02 23:39:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-02 23:39:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-02 23:39:48,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-02 23:39:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-02 23:39:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-02 23:39:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-02 23:39:48,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-02 23:39:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-02 23:39:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-02 23:39:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-02 23:39:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-10-02 23:39:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 23:39:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 23:39:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-02 23:39:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-02 23:39:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-02 23:39:48,060 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-02 23:39:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 23:39:48,061 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-02 23:39:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-02 23:39:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-10-02 23:39:48,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 23:39:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-10-02 23:39:48,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-02 23:39:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-10-02 23:39:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:39:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:39:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:39:48,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:39:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_index [2019-10-02 23:39:48,068 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-10-02 23:39:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-10-02 23:39:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-10-02 23:39:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-10-02 23:39:48,069 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-10-02 23:39:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-10-02 23:39:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-10-02 23:39:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-10-02 23:39:48,070 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-10-02 23:39:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-10-02 23:39:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-10-02 23:39:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-10-02 23:39:48,071 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-10-02 23:39:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-10-02 23:39:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-10-02 23:39:48,072 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-10-02 23:39:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-10-02 23:39:48,143 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-10-02 23:39:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-10-02 23:39:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-10-02 23:39:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-10-02 23:39:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-10-02 23:39:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-10-02 23:39:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-10-02 23:39:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-10-02 23:39:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_3 [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_1 [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 23:39:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_8 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_10 [2019-10-02 23:39:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-10-02 23:39:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_12 [2019-10-02 23:39:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_13 [2019-10-02 23:39:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_14 [2019-10-02 23:39:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2019-10-02 23:39:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2019-10-02 23:39:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2019-10-02 23:39:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2019-10-02 23:39:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-10-02 23:39:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2019-10-02 23:39:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_26 [2019-10-02 23:39:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-10-02 23:39:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_28 [2019-10-02 23:39:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_32 [2019-10-02 23:39:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_33 [2019-10-02 23:39:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_34 [2019-10-02 23:39:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_39 [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_40 [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-02 23:39:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-02 23:39:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-02 23:39:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-02 23:39:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-02 23:39:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-02 23:39:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-02 23:39:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-02 23:39:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 23:39:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 23:39:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-02 23:39:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-02 23:39:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-02 23:39:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-10-02 23:39:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-02 23:39:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 23:39:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 23:39:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 23:39:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-02 23:39:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:39:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:39:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 23:39:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 23:39:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-02 23:39:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-02 23:39:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-02 23:39:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-02 23:39:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-02 23:39:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-02 23:39:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-02 23:39:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:39:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 23:39:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_12 [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 23:39:48,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_8 [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_13 [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_10 [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_14 [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-02 23:39:48,190 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 23:39:48,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_39 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_40 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-10-02 23:39:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_26 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_28 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_32 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_33 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_34 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-02 23:39:48,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-02 23:39:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-10-02 23:39:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-10-02 23:39:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-02 23:39:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-02 23:39:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:39:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:39:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 23:39:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_3 [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_1 [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_index [2019-10-02 23:39:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-10-02 23:39:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-10-02 23:39:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-10-02 23:39:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-10-02 23:39:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-10-02 23:39:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-10-02 23:39:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:39:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:39:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 23:39:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 23:39:49,506 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 23:40:00,198 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-02 23:40:06,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:40:06,900 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:40:06,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:40:06 BoogieIcfgContainer [2019-10-02 23:40:06,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:40:06,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:40:06,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:40:06,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:40:06,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:39:44" (1/3) ... [2019-10-02 23:40:06,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291d4661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:40:06, skipping insertion in model container [2019-10-02 23:40:06,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:39:47" (2/3) ... [2019-10-02 23:40:06,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@291d4661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:40:06, skipping insertion in model container [2019-10-02 23:40:06,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:40:06" (3/3) ... [2019-10-02 23:40:06,916 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-02 23:40:06,928 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:40:06,941 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:40:06,959 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:40:06,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:40:06,990 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:40:06,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:40:06,990 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:40:06,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:40:06,990 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:40:06,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:40:06,990 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:40:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states. [2019-10-02 23:40:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-02 23:40:07,095 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:07,097 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:07,099 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:07,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:07,105 INFO L82 PathProgramCache]: Analyzing trace with hash 605215700, now seen corresponding path program 1 times [2019-10-02 23:40:07,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:07,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:07,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:07,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:07,208 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:08,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:08,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:08,654 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:08,661 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:08,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:08,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:08,681 INFO L87 Difference]: Start difference. First operand 1931 states. Second operand 3 states. [2019-10-02 23:40:13,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:13,795 INFO L93 Difference]: Finished difference Result 3679 states and 4853 transitions. [2019-10-02 23:40:13,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:13,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-02 23:40:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:13,863 INFO L225 Difference]: With dead ends: 3679 [2019-10-02 23:40:13,863 INFO L226 Difference]: Without dead ends: 3646 [2019-10-02 23:40:13,865 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 23:40:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2019-10-02 23:40:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3643. [2019-10-02 23:40:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2019-10-02 23:40:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4796 transitions. [2019-10-02 23:40:14,172 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4796 transitions. Word has length 133 [2019-10-02 23:40:14,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:14,173 INFO L475 AbstractCegarLoop]: Abstraction has 3643 states and 4796 transitions. [2019-10-02 23:40:14,173 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:14,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4796 transitions. [2019-10-02 23:40:14,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-02 23:40:14,186 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:14,187 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:14,187 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:14,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:14,188 INFO L82 PathProgramCache]: Analyzing trace with hash -757782165, now seen corresponding path program 1 times [2019-10-02 23:40:14,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:14,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:14,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:14,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:14,205 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:14,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:14,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:14,972 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:14,990 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:14,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:14,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:14,992 INFO L87 Difference]: Start difference. First operand 3643 states and 4796 transitions. Second operand 3 states. [2019-10-02 23:40:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:16,094 INFO L93 Difference]: Finished difference Result 7246 states and 9638 transitions. [2019-10-02 23:40:16,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:16,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-02 23:40:16,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:16,151 INFO L225 Difference]: With dead ends: 7246 [2019-10-02 23:40:16,152 INFO L226 Difference]: Without dead ends: 7246 [2019-10-02 23:40:16,153 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:16,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2019-10-02 23:40:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7235. [2019-10-02 23:40:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7235 states. [2019-10-02 23:40:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 9625 transitions. [2019-10-02 23:40:16,484 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 9625 transitions. Word has length 146 [2019-10-02 23:40:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:16,485 INFO L475 AbstractCegarLoop]: Abstraction has 7235 states and 9625 transitions. [2019-10-02 23:40:16,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 9625 transitions. [2019-10-02 23:40:16,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-02 23:40:16,491 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:16,492 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:16,492 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:16,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:16,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2017307999, now seen corresponding path program 1 times [2019-10-02 23:40:16,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:16,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:16,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:16,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:16,508 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:17,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:17,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:17,080 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:17,080 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:17,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:17,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:17,081 INFO L87 Difference]: Start difference. First operand 7235 states and 9625 transitions. Second operand 3 states. [2019-10-02 23:40:17,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:17,166 INFO L93 Difference]: Finished difference Result 7234 states and 9623 transitions. [2019-10-02 23:40:17,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:17,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-02 23:40:17,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:17,215 INFO L225 Difference]: With dead ends: 7234 [2019-10-02 23:40:17,215 INFO L226 Difference]: Without dead ends: 7234 [2019-10-02 23:40:17,215 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 23:40:17,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2019-10-02 23:40:17,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2019-10-02 23:40:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7234 states. [2019-10-02 23:40:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9623 transitions. [2019-10-02 23:40:17,450 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9623 transitions. Word has length 147 [2019-10-02 23:40:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:17,451 INFO L475 AbstractCegarLoop]: Abstraction has 7234 states and 9623 transitions. [2019-10-02 23:40:17,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9623 transitions. [2019-10-02 23:40:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-02 23:40:17,456 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:17,457 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:17,457 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1887068974, now seen corresponding path program 1 times [2019-10-02 23:40:17,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:17,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:17,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:17,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:17,473 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:18,024 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:18,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:18,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:18,025 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:18,025 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:18,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:18,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:18,026 INFO L87 Difference]: Start difference. First operand 7234 states and 9623 transitions. Second operand 3 states. [2019-10-02 23:40:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:18,102 INFO L93 Difference]: Finished difference Result 7233 states and 9621 transitions. [2019-10-02 23:40:18,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:18,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-02 23:40:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:18,150 INFO L225 Difference]: With dead ends: 7233 [2019-10-02 23:40:18,151 INFO L226 Difference]: Without dead ends: 7233 [2019-10-02 23:40:18,151 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 23:40:18,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7233 states. [2019-10-02 23:40:18,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7233 to 7233. [2019-10-02 23:40:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7233 states. [2019-10-02 23:40:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7233 states to 7233 states and 9621 transitions. [2019-10-02 23:40:18,407 INFO L78 Accepts]: Start accepts. Automaton has 7233 states and 9621 transitions. Word has length 148 [2019-10-02 23:40:18,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:18,408 INFO L475 AbstractCegarLoop]: Abstraction has 7233 states and 9621 transitions. [2019-10-02 23:40:18,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 7233 states and 9621 transitions. [2019-10-02 23:40:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-02 23:40:18,416 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:18,417 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:18,417 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:18,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:18,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1631291580, now seen corresponding path program 1 times [2019-10-02 23:40:18,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:18,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:18,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:18,437 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:19,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:19,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:19,328 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:19,328 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:19,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:19,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:19,329 INFO L87 Difference]: Start difference. First operand 7233 states and 9621 transitions. Second operand 3 states. [2019-10-02 23:40:19,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:19,509 INFO L93 Difference]: Finished difference Result 14332 states and 19244 transitions. [2019-10-02 23:40:19,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:19,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-02 23:40:19,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:19,618 INFO L225 Difference]: With dead ends: 14332 [2019-10-02 23:40:19,618 INFO L226 Difference]: Without dead ends: 14332 [2019-10-02 23:40:19,619 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:19,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14332 states. [2019-10-02 23:40:19,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14332 to 14292. [2019-10-02 23:40:19,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14292 states. [2019-10-02 23:40:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14292 states to 14292 states and 19205 transitions. [2019-10-02 23:40:20,065 INFO L78 Accepts]: Start accepts. Automaton has 14292 states and 19205 transitions. Word has length 149 [2019-10-02 23:40:20,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:20,066 INFO L475 AbstractCegarLoop]: Abstraction has 14292 states and 19205 transitions. [2019-10-02 23:40:20,066 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 14292 states and 19205 transitions. [2019-10-02 23:40:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-02 23:40:20,074 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:20,076 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:40:20,076 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:20,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:20,076 INFO L82 PathProgramCache]: Analyzing trace with hash 968685809, now seen corresponding path program 1 times [2019-10-02 23:40:20,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:20,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:20,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:20,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:20,096 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-02 23:40:20,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:20,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:20,636 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:20,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:20,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:20,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:20,637 INFO L87 Difference]: Start difference. First operand 14292 states and 19205 transitions. Second operand 3 states. [2019-10-02 23:40:20,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:20,773 INFO L93 Difference]: Finished difference Result 14291 states and 19203 transitions. [2019-10-02 23:40:20,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:20,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-02 23:40:20,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:20,845 INFO L225 Difference]: With dead ends: 14291 [2019-10-02 23:40:20,846 INFO L226 Difference]: Without dead ends: 14263 [2019-10-02 23:40:20,846 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 23:40:20,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2019-10-02 23:40:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 14263. [2019-10-02 23:40:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14263 states. [2019-10-02 23:40:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14263 states to 14263 states and 19171 transitions. [2019-10-02 23:40:21,330 INFO L78 Accepts]: Start accepts. Automaton has 14263 states and 19171 transitions. Word has length 150 [2019-10-02 23:40:21,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:21,331 INFO L475 AbstractCegarLoop]: Abstraction has 14263 states and 19171 transitions. [2019-10-02 23:40:21,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:21,331 INFO L276 IsEmpty]: Start isEmpty. Operand 14263 states and 19171 transitions. [2019-10-02 23:40:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-02 23:40:21,340 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:21,341 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 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] [2019-10-02 23:40:21,341 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1029599611, now seen corresponding path program 1 times [2019-10-02 23:40:21,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:21,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:21,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:21,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:21,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:21,857 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2019-10-02 23:40:21,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:21,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:21,858 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:21,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:21,859 INFO L87 Difference]: Start difference. First operand 14263 states and 19171 transitions. Second operand 3 states. [2019-10-02 23:40:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:23,804 INFO L93 Difference]: Finished difference Result 27881 states and 37398 transitions. [2019-10-02 23:40:23,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:23,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-02 23:40:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:23,958 INFO L225 Difference]: With dead ends: 27881 [2019-10-02 23:40:23,958 INFO L226 Difference]: Without dead ends: 27881 [2019-10-02 23:40:23,959 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 23:40:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27881 states. [2019-10-02 23:40:24,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27881 to 27797. [2019-10-02 23:40:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27797 states. [2019-10-02 23:40:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27797 states to 27797 states and 37314 transitions. [2019-10-02 23:40:24,923 INFO L78 Accepts]: Start accepts. Automaton has 27797 states and 37314 transitions. Word has length 178 [2019-10-02 23:40:24,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:24,928 INFO L475 AbstractCegarLoop]: Abstraction has 27797 states and 37314 transitions. [2019-10-02 23:40:24,928 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 27797 states and 37314 transitions. [2019-10-02 23:40:24,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-02 23:40:24,952 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:24,952 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 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] [2019-10-02 23:40:24,953 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:24,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:24,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1587798712, now seen corresponding path program 1 times [2019-10-02 23:40:24,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:24,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:24,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:24,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:24,966 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:25,520 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2019-10-02 23:40:25,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:25,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:25,521 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:25,522 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:25,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:25,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:25,523 INFO L87 Difference]: Start difference. First operand 27797 states and 37314 transitions. Second operand 3 states. [2019-10-02 23:40:27,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:27,560 INFO L93 Difference]: Finished difference Result 48789 states and 64980 transitions. [2019-10-02 23:40:27,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:27,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-02 23:40:27,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:27,836 INFO L225 Difference]: With dead ends: 48789 [2019-10-02 23:40:27,836 INFO L226 Difference]: Without dead ends: 48789 [2019-10-02 23:40:27,838 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 23:40:27,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48789 states. [2019-10-02 23:40:30,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48789 to 48693. [2019-10-02 23:40:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48693 states. [2019-10-02 23:40:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48693 states to 48693 states and 64884 transitions. [2019-10-02 23:40:30,360 INFO L78 Accepts]: Start accepts. Automaton has 48693 states and 64884 transitions. Word has length 238 [2019-10-02 23:40:30,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:30,361 INFO L475 AbstractCegarLoop]: Abstraction has 48693 states and 64884 transitions. [2019-10-02 23:40:30,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 48693 states and 64884 transitions. [2019-10-02 23:40:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-02 23:40:30,385 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:30,386 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 14, 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] [2019-10-02 23:40:30,386 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:30,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:30,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1901747729, now seen corresponding path program 1 times [2019-10-02 23:40:30,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:30,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:30,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:30,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:30,400 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:30,907 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2019-10-02 23:40:30,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:30,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:30,908 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:30,909 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:30,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:30,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:30,910 INFO L87 Difference]: Start difference. First operand 48693 states and 64884 transitions. Second operand 3 states. [2019-10-02 23:40:32,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:32,655 INFO L93 Difference]: Finished difference Result 73763 states and 97695 transitions. [2019-10-02 23:40:32,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:32,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-10-02 23:40:32,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:33,014 INFO L225 Difference]: With dead ends: 73763 [2019-10-02 23:40:33,014 INFO L226 Difference]: Without dead ends: 73763 [2019-10-02 23:40:33,014 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 23:40:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73763 states. [2019-10-02 23:40:34,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73763 to 73601. [2019-10-02 23:40:34,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73601 states. [2019-10-02 23:40:35,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73601 states to 73601 states and 97511 transitions. [2019-10-02 23:40:35,091 INFO L78 Accepts]: Start accepts. Automaton has 73601 states and 97511 transitions. Word has length 258 [2019-10-02 23:40:35,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:35,091 INFO L475 AbstractCegarLoop]: Abstraction has 73601 states and 97511 transitions. [2019-10-02 23:40:35,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 73601 states and 97511 transitions. [2019-10-02 23:40:35,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-10-02 23:40:35,114 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:35,115 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:40:35,115 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2065435097, now seen corresponding path program 1 times [2019-10-02 23:40:35,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:35,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:35,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:35,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:35,130 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:35,603 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2019-10-02 23:40:35,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:35,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:40:35,604 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:35,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:40:35,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:40:35,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:40:35,607 INFO L87 Difference]: Start difference. First operand 73601 states and 97511 transitions. Second operand 3 states. [2019-10-02 23:40:41,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:41,516 INFO L93 Difference]: Finished difference Result 107809 states and 142719 transitions. [2019-10-02 23:40:41,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:40:41,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-10-02 23:40:41,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:42,060 INFO L225 Difference]: With dead ends: 107809 [2019-10-02 23:40:42,061 INFO L226 Difference]: Without dead ends: 107809 [2019-10-02 23:40:42,061 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 23:40:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107809 states. [2019-10-02 23:40:44,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107809 to 107680. [2019-10-02 23:40:44,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107680 states. [2019-10-02 23:40:44,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107680 states to 107680 states and 142578 transitions. [2019-10-02 23:40:44,451 INFO L78 Accepts]: Start accepts. Automaton has 107680 states and 142578 transitions. Word has length 249 [2019-10-02 23:40:44,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:44,452 INFO L475 AbstractCegarLoop]: Abstraction has 107680 states and 142578 transitions. [2019-10-02 23:40:44,452 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:40:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 107680 states and 142578 transitions. [2019-10-02 23:40:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-02 23:40:44,480 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:44,481 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-02 23:40:44,481 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:44,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1679203982, now seen corresponding path program 1 times [2019-10-02 23:40:44,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:44,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:44,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:44,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:44,493 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2019-10-02 23:40:45,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:45,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-02 23:40:45,098 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:45,099 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 23:40:45,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 23:40:45,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 23:40:45,100 INFO L87 Difference]: Start difference. First operand 107680 states and 142578 transitions. Second operand 8 states. [2019-10-02 23:40:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:40:45,812 INFO L93 Difference]: Finished difference Result 105614 states and 139762 transitions. [2019-10-02 23:40:45,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 23:40:45,813 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 243 [2019-10-02 23:40:45,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:40:46,253 INFO L225 Difference]: With dead ends: 105614 [2019-10-02 23:40:46,253 INFO L226 Difference]: Without dead ends: 105614 [2019-10-02 23:40:46,254 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 23:40:46,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105614 states. [2019-10-02 23:40:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105614 to 105582. [2019-10-02 23:40:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105582 states. [2019-10-02 23:40:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105582 states to 105582 states and 139714 transitions. [2019-10-02 23:40:50,866 INFO L78 Accepts]: Start accepts. Automaton has 105582 states and 139714 transitions. Word has length 243 [2019-10-02 23:40:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:40:50,867 INFO L475 AbstractCegarLoop]: Abstraction has 105582 states and 139714 transitions. [2019-10-02 23:40:50,867 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 23:40:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 105582 states and 139714 transitions. [2019-10-02 23:40:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-02 23:40:50,882 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:40:50,882 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-02 23:40:50,883 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:40:50,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:40:50,883 INFO L82 PathProgramCache]: Analyzing trace with hash -307396684, now seen corresponding path program 1 times [2019-10-02 23:40:50,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:40:50,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:50,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:40:50,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:40:50,895 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:40:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:40:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2019-10-02 23:40:51,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:40:51,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 23:40:51,615 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:40:51,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 23:40:51,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 23:40:51,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-10-02 23:40:51,617 INFO L87 Difference]: Start difference. First operand 105582 states and 139714 transitions. Second operand 10 states. [2019-10-02 23:41:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:41:36,638 INFO L93 Difference]: Finished difference Result 117995 states and 160574 transitions. [2019-10-02 23:41:36,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 23:41:36,638 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 243 [2019-10-02 23:41:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:41:37,070 INFO L225 Difference]: With dead ends: 117995 [2019-10-02 23:41:37,070 INFO L226 Difference]: Without dead ends: 117935 [2019-10-02 23:41:37,071 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2019-10-02 23:41:37,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117935 states. [2019-10-02 23:41:39,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117935 to 111165. [2019-10-02 23:41:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111165 states. [2019-10-02 23:41:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111165 states to 111165 states and 148981 transitions. [2019-10-02 23:41:39,846 INFO L78 Accepts]: Start accepts. Automaton has 111165 states and 148981 transitions. Word has length 243 [2019-10-02 23:41:39,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:41:39,846 INFO L475 AbstractCegarLoop]: Abstraction has 111165 states and 148981 transitions. [2019-10-02 23:41:39,846 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 23:41:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 111165 states and 148981 transitions. [2019-10-02 23:41:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-10-02 23:41:39,863 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:41:39,864 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-02 23:41:39,864 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:41:39,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:41:39,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1084801966, now seen corresponding path program 1 times [2019-10-02 23:41:39,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:41:39,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:41:39,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:41:39,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:41:39,877 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:41:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:41:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2019-10-02 23:41:40,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:41:40,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 23:41:40,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:41:40,350 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 23:41:40,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 23:41:40,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 23:41:40,352 INFO L87 Difference]: Start difference. First operand 111165 states and 148981 transitions. Second operand 6 states. [2019-10-02 23:41:45,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:41:45,924 INFO L93 Difference]: Finished difference Result 57667 states and 76752 transitions. [2019-10-02 23:41:45,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:41:45,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 258 [2019-10-02 23:41:45,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:41:46,059 INFO L225 Difference]: With dead ends: 57667 [2019-10-02 23:41:46,059 INFO L226 Difference]: Without dead ends: 57505 [2019-10-02 23:41:46,060 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 23:41:46,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57505 states. [2019-10-02 23:41:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57505 to 55240. [2019-10-02 23:41:47,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55240 states. [2019-10-02 23:41:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55240 states to 55240 states and 74121 transitions. [2019-10-02 23:41:47,693 INFO L78 Accepts]: Start accepts. Automaton has 55240 states and 74121 transitions. Word has length 258 [2019-10-02 23:41:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:41:47,694 INFO L475 AbstractCegarLoop]: Abstraction has 55240 states and 74121 transitions. [2019-10-02 23:41:47,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 23:41:47,694 INFO L276 IsEmpty]: Start isEmpty. Operand 55240 states and 74121 transitions. [2019-10-02 23:41:47,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-02 23:41:47,709 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:41:47,710 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2019-10-02 23:41:47,710 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:41:47,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:41:47,711 INFO L82 PathProgramCache]: Analyzing trace with hash -913017032, now seen corresponding path program 1 times [2019-10-02 23:41:47,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:41:47,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:41:47,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:41:47,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:41:47,722 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:41:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:41:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-10-02 23:41:48,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:41:48,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:41:48,405 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:41:48,406 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:41:48,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:41:48,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:41:48,406 INFO L87 Difference]: Start difference. First operand 55240 states and 74121 transitions. Second operand 7 states. [2019-10-02 23:42:18,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:42:18,951 INFO L93 Difference]: Finished difference Result 84289 states and 113748 transitions. [2019-10-02 23:42:18,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 23:42:18,951 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2019-10-02 23:42:18,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:42:19,159 INFO L225 Difference]: With dead ends: 84289 [2019-10-02 23:42:19,160 INFO L226 Difference]: Without dead ends: 84289 [2019-10-02 23:42:19,160 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-02 23:42:19,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84289 states. [2019-10-02 23:42:20,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84289 to 84070. [2019-10-02 23:42:20,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84070 states. [2019-10-02 23:42:20,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84070 states to 84070 states and 113463 transitions. [2019-10-02 23:42:20,413 INFO L78 Accepts]: Start accepts. Automaton has 84070 states and 113463 transitions. Word has length 275 [2019-10-02 23:42:20,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:42:20,414 INFO L475 AbstractCegarLoop]: Abstraction has 84070 states and 113463 transitions. [2019-10-02 23:42:20,414 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:42:20,414 INFO L276 IsEmpty]: Start isEmpty. Operand 84070 states and 113463 transitions. [2019-10-02 23:42:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-10-02 23:42:20,448 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:42:20,449 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:42:20,449 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:42:20,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:42:20,450 INFO L82 PathProgramCache]: Analyzing trace with hash -21165611, now seen corresponding path program 1 times [2019-10-02 23:42:20,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:42:20,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:20,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:42:20,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:20,462 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:42:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:42:21,034 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-10-02 23:42:21,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:42:21,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 23:42:21,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:42:21,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 23:42:21,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 23:42:21,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 23:42:21,037 INFO L87 Difference]: Start difference. First operand 84070 states and 113463 transitions. Second operand 6 states. [2019-10-02 23:42:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:42:27,095 INFO L93 Difference]: Finished difference Result 145648 states and 195749 transitions. [2019-10-02 23:42:27,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 23:42:27,095 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2019-10-02 23:42:27,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:42:28,198 INFO L225 Difference]: With dead ends: 145648 [2019-10-02 23:42:28,198 INFO L226 Difference]: Without dead ends: 145648 [2019-10-02 23:42:28,202 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 23:42:28,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145648 states. [2019-10-02 23:42:30,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145648 to 145302. [2019-10-02 23:42:30,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145302 states. [2019-10-02 23:42:31,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145302 states to 145302 states and 195319 transitions. [2019-10-02 23:42:31,325 INFO L78 Accepts]: Start accepts. Automaton has 145302 states and 195319 transitions. Word has length 290 [2019-10-02 23:42:31,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:42:31,326 INFO L475 AbstractCegarLoop]: Abstraction has 145302 states and 195319 transitions. [2019-10-02 23:42:31,326 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 23:42:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 145302 states and 195319 transitions. [2019-10-02 23:42:31,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-10-02 23:42:31,342 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:42:31,342 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:42:31,342 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:42:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:42:31,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1050524909, now seen corresponding path program 1 times [2019-10-02 23:42:31,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:42:31,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:31,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:42:31,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:31,353 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:42:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:42:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-10-02 23:42:32,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:42:32,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:42:32,049 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:42:32,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:42:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:42:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:42:32,050 INFO L87 Difference]: Start difference. First operand 145302 states and 195319 transitions. Second operand 5 states. [2019-10-02 23:42:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:42:35,601 INFO L93 Difference]: Finished difference Result 145563 states and 195578 transitions. [2019-10-02 23:42:35,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:42:35,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 290 [2019-10-02 23:42:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:42:35,987 INFO L225 Difference]: With dead ends: 145563 [2019-10-02 23:42:35,987 INFO L226 Difference]: Without dead ends: 145544 [2019-10-02 23:42:35,988 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:42:36,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145544 states. [2019-10-02 23:42:38,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145544 to 145430. [2019-10-02 23:42:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145430 states. [2019-10-02 23:42:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145430 states to 145430 states and 195443 transitions. [2019-10-02 23:42:40,329 INFO L78 Accepts]: Start accepts. Automaton has 145430 states and 195443 transitions. Word has length 290 [2019-10-02 23:42:40,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:42:40,330 INFO L475 AbstractCegarLoop]: Abstraction has 145430 states and 195443 transitions. [2019-10-02 23:42:40,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:42:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 145430 states and 195443 transitions. [2019-10-02 23:42:40,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-10-02 23:42:40,345 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:42:40,345 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:42:40,345 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:42:40,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:42:40,346 INFO L82 PathProgramCache]: Analyzing trace with hash -655694, now seen corresponding path program 1 times [2019-10-02 23:42:40,346 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:42:40,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:40,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:42:40,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:40,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:42:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:42:40,913 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-10-02 23:42:40,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:42:40,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-02 23:42:40,914 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:42:40,914 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-02 23:42:40,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-02 23:42:40,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-02 23:42:40,915 INFO L87 Difference]: Start difference. First operand 145430 states and 195443 transitions. Second operand 4 states. [2019-10-02 23:42:41,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:42:41,773 INFO L93 Difference]: Finished difference Result 145613 states and 195686 transitions. [2019-10-02 23:42:41,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:42:41,774 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 290 [2019-10-02 23:42:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:42:42,376 INFO L225 Difference]: With dead ends: 145613 [2019-10-02 23:42:42,377 INFO L226 Difference]: Without dead ends: 145611 [2019-10-02 23:42:42,377 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 23:42:42,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145611 states. [2019-10-02 23:42:48,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145611 to 145431. [2019-10-02 23:42:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145431 states. [2019-10-02 23:42:48,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145431 states to 145431 states and 195444 transitions. [2019-10-02 23:42:48,901 INFO L78 Accepts]: Start accepts. Automaton has 145431 states and 195444 transitions. Word has length 290 [2019-10-02 23:42:48,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:42:48,901 INFO L475 AbstractCegarLoop]: Abstraction has 145431 states and 195444 transitions. [2019-10-02 23:42:48,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-02 23:42:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 145431 states and 195444 transitions. [2019-10-02 23:42:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-10-02 23:42:48,921 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:42:48,921 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 23:42:48,922 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:42:48,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:42:48,922 INFO L82 PathProgramCache]: Analyzing trace with hash 871921232, now seen corresponding path program 1 times [2019-10-02 23:42:48,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:42:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:48,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:42:48,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:42:48,930 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:42:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:42:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-10-02 23:42:49,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 23:42:49,547 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-02 23:42:49,549 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2019-10-02 23:42:49,552 INFO L207 CegarAbsIntRunner]: [2], [4], [5], [103], [105], [106], [123], [124], [168], [170], [172], [173], [262], [264], [265], [318], [319], [334], [360], [364], [366], [367], [395], [396], [401], [403], [405], [409], [410], [1058], [1060], [1064], [1067], [1073], [1075], [1083], [1084], [1134], [1136], [1139], [1144], [1149], [1151], [1154], [1206], [1207], [1212], [1214], [1257], [1259], [1262], [1269], [1273], [1274], [1327], [1328], [1379], [1380], [1618], [1621], [1625], [1742], [1743], [1744], [1936], [1937], [2075], [2077], [2078], [2105], [2106], [2107], [2109], [2111], [2113], [2115], [2117], [2119], [2121], [2123], [2125], [2127], [2129], [2131], [2133], [2135], [2138], [2140], [2173], [2206], [2523], [2526], [2529], [2532], [2535], [2537], [2541], [2544], [2547], [2549], [2552], [2554], [2556], [2564], [2583], [2586], [2589], [2592], [2595], [2597], [2602], [2815], [2816], [2914], [2915], [2916], [2917], [3134], [3136], [3138], [3139], [3305], [3307], [3308], [3377], [3384], [3391], [3400], [3438], [3439], [3497], [3499], [3500], [3501], [3502], [3549], [3550], [3567], [3568], [3569], [3570], [3593], [3594], [3631], [3632], [3633], [3634], [3815], [3816], [3817], [3818], [3819], [3820], [3823], [3824], [3851], [3852], [3853], [3854], [3855], [3856], [3879], [3880], [3881], [3882], [3883], [3884], [3885], [3886], [3901], [3902], [4117], [4118], [4123], [4124], [4125], [4126], [4127], [4128], [4129], [4130], [4131], [4132], [4133], [4134], [4135], [4136], [4137], [4138], [4139], [4140], [4141], [4142], [4143], [4144], [4145], [4146], [4147], [4148], [4149], [4150], [4151], [4152], [4153], [4154], [4219], [4220], [4221], [4222], [4223], [4224], [4225], [4226], [4229], [4230], [4257], [4319], [4320], [4321], [4322], [4369], [4370], [4395], [4401], [4402], [4403], [4425], [4426] [2019-10-02 23:42:49,673 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-02 23:42:49,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-02 23:42:50,191 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-02 23:42:50,193 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 528 root evaluator evaluations with a maximum evaluation depth of 0. Performed 528 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1102 variables. [2019-10-02 23:42:50,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:42:50,198 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-02 23:42:50,325 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-02 23:42:50,325 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-02 23:42:50,332 INFO L420 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2019-10-02 23:42:50,333 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-02 23:42:50,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 23:42:50,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-10-02 23:42:50,334 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:42:50,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 23:42:50,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 23:42:50,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:42:50,335 INFO L87 Difference]: Start difference. First operand 145431 states and 195444 transitions. Second operand 2 states. [2019-10-02 23:42:50,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:42:50,336 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-02 23:42:50,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 23:42:50,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 291 [2019-10-02 23:42:50,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:42:50,337 INFO L225 Difference]: With dead ends: 2 [2019-10-02 23:42:50,337 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:42:50,337 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 23:42:50,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:42:50,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:42:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:42:50,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:42:50,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2019-10-02 23:42:50,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:42:50,338 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:42:50,339 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 23:42:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:42:50,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:42:50,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:42:50 BoogieIcfgContainer [2019-10-02 23:42:50,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:42:50,347 INFO L168 Benchmark]: Toolchain (without parser) took 186213.87 ms. Allocated memory was 134.2 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 75.3 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,348 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 134.2 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3375.43 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 75.1 MB in the beginning and 118.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,350 INFO L168 Benchmark]: Boogie Preprocessor took 458.12 ms. Allocated memory is still 268.4 MB. Free memory was 118.0 MB in the beginning and 74.0 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,351 INFO L168 Benchmark]: RCFGBuilder took 18936.41 ms. Allocated memory was 268.4 MB in the beginning and 809.0 MB in the end (delta: 540.5 MB). Free memory was 74.0 MB in the beginning and 471.9 MB in the end (delta: -397.9 MB). Peak memory consumption was 589.2 MB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,351 INFO L168 Benchmark]: TraceAbstraction took 163438.70 ms. Allocated memory was 809.0 MB in the beginning and 2.7 GB in the end (delta: 1.9 GB). Free memory was 471.9 MB in the beginning and 1.3 GB in the end (delta: -790.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-02 23:42:50,355 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 134.2 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3375.43 ms. Allocated memory was 134.2 MB in the beginning and 268.4 MB in the end (delta: 134.2 MB). Free memory was 75.1 MB in the beginning and 118.0 MB in the end (delta: -42.9 MB). Peak memory consumption was 111.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 458.12 ms. Allocated memory is still 268.4 MB. Free memory was 118.0 MB in the beginning and 74.0 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 18936.41 ms. Allocated memory was 268.4 MB in the beginning and 809.0 MB in the end (delta: 540.5 MB). Free memory was 74.0 MB in the beginning and 471.9 MB in the end (delta: -397.9 MB). Peak memory consumption was 589.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 163438.70 ms. Allocated memory was 809.0 MB in the beginning and 2.7 GB in the end (delta: 1.9 GB). Free memory was 471.9 MB in the beginning and 1.3 GB in the end (delta: -790.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4051]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 215 procedures, 1968 locations, 1 error locations. SAFE Result, 163.3s OverallTime, 18 OverallIterations, 18 TraceHistogramMax, 115.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50630 SDtfs, 38918 SDslu, 78463 SDs, 0 SdLazy, 18720 SolverSat, 6817 SolverUnsat, 21 SolverUnknown, 0 SolverNotchecked, 92.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 348 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145431occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.913793103448276 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 34.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 10451 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 3976 NumberOfCodeBlocks, 3976 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3958 ConstructedInterpolants, 0 QuantifiedInterpolants, 1247400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 8676/8677 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...