java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 17:29:34,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 17:29:34,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 17:29:34,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 17:29:34,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 17:29:34,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 17:29:34,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 17:29:34,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 17:29:34,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 17:29:34,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 17:29:34,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 17:29:34,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 17:29:34,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 17:29:34,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 17:29:34,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 17:29:34,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 17:29:34,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 17:29:34,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 17:29:34,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 17:29:34,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 17:29:34,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 17:29:34,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 17:29:34,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 17:29:34,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 17:29:34,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 17:29:34,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 17:29:34,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 17:29:34,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 17:29:34,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 17:29:34,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 17:29:34,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 17:29:34,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 17:29:34,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 17:29:34,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 17:29:34,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 17:29:34,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 17:29:34,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 17:29:34,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 17:29:34,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 17:29:34,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 17:29:34,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 17:29:34,062 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 17:29:34,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 17:29:34,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 17:29:34,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 17:29:34,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 17:29:34,079 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 17:29:34,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 17:29:34,080 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 17:29:34,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 17:29:34,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 17:29:34,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 17:29:34,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 17:29:34,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 17:29:34,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 17:29:34,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 17:29:34,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 17:29:34,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 17:29:34,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 17:29:34,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 17:29:34,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 17:29:34,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 17:29:34,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 17:29:34,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:29:34,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 17:29:34,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 17:29:34,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 17:29:34,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 17:29:34,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 17:29:34,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 17:29:34,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 17:29:34,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 17:29:34,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 17:29:34,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 17:29:34,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 17:29:34,153 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 17:29:34,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-08 17:29:34,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731e3404f/f90eae01d16a4fc990f6b0d731b77741/FLAG2c11c9b86 [2019-09-08 17:29:35,043 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 17:29:35,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-08 17:29:35,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731e3404f/f90eae01d16a4fc990f6b0d731b77741/FLAG2c11c9b86 [2019-09-08 17:29:35,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/731e3404f/f90eae01d16a4fc990f6b0d731b77741 [2019-09-08 17:29:35,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 17:29:35,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 17:29:35,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 17:29:35,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 17:29:35,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 17:29:35,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:29:35" (1/1) ... [2019-09-08 17:29:35,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e75bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:35, skipping insertion in model container [2019-09-08 17:29:35,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:29:35" (1/1) ... [2019-09-08 17:29:35,610 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 17:29:35,758 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 17:29:37,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:29:37,455 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 17:29:37,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:29:38,108 INFO L192 MainTranslator]: Completed translation [2019-09-08 17:29:38,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38 WrapperNode [2019-09-08 17:29:38,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 17:29:38,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 17:29:38,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 17:29:38,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 17:29:38,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... [2019-09-08 17:29:38,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 17:29:38,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 17:29:38,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 17:29:38,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 17:29:38,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:29:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 17:29:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 17:29:38,538 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-09-08 17:29:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-09-08 17:29:38,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16p [2019-09-08 17:29:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab16s [2019-09-08 17:29:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 17:29:38,540 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-09-08 17:29:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 17:29:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 17:29:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 17:29:38,541 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 17:29:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 17:29:38,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 17:29:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_waitqueue_entry [2019-09-08 17:29:38,543 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 17:29:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-08 17:29:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-09-08 17:29:38,545 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2019-09-08 17:29:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 17:29:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 17:29:38,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 17:29:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 17:29:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-08 17:29:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_init [2019-09-08 17:29:38,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_exit [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_startup [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_release [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_open [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_close [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_room [2019-09-08 17:29:38,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_chars_in_buffer [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_throttle [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_unthrottle [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_ioctl [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_termios [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmget [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_tiocmset [2019-09-08 17:29:38,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_break [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_interrupt_callback [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_in_callback [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_bulk_out_callback [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_recv [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_send [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_mcr [2019-09-08 17:29:38,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_get_lsr [2019-09-08 17:29:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_get_serial_info [2019-09-08 17:29:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_set_serial_info [2019-09-08 17:29:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_handle_new_msr [2019-09-08 17:29:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_drain [2019-09-08 17:29:38,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_stop_read [2019-09-08 17:29:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_restart_read [2019-09-08 17:29:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_out_sync [2019-09-08 17:29:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_command_in_sync [2019-09-08 17:29:38,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_write_byte [2019-09-08 17:29:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_do_download [2019-09-08 17:29:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_download_firmware [2019-09-08 17:29:38,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_2 [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_1 [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_2 [2019-09-08 17:29:38,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_3 [2019-09-08 17:29:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_4 [2019-09-08 17:29:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister_5 [2019-09-08 17:29:38,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2019-09-08 17:29:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 17:29:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 17:29:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register [2019-09-08 17:29:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-09-08 17:29:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_serial_deregister [2019-09-08 17:29:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 17:29:38,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2019-09-08 17:29:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2019-09-08 17:29:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2019-09-08 17:29:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2019-09-08 17:29:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2019-09-08 17:29:38,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-08 17:29:38,561 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-09-08 17:29:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2019-09-08 17:29:38,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_2 [2019-09-08 17:29:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 17:29:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-09-08 17:29:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-09-08 17:29:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 17:29:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-09-08 17:29:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-09-08 17:29:38,565 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-08 17:29:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 17:29:38,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 17:29:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-08 17:29:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-09-08 17:29:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-08 17:29:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-08 17:29:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-08 17:29:38,568 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2019-09-08 17:29:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-08 17:29:38,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2019-09-08 17:29:38,570 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-08 17:29:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_set_configuration [2019-09-08 17:29:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 17:29:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2019-09-08 17:29:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2019-09-08 17:29:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2019-09-08 17:29:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2019-09-08 17:29:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2019-09-08 17:29:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 17:29:38,580 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 17:29:38,581 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-08 17:29:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 17:29:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 17:29:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-09-08 17:29:38,582 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-09-08 17:29:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16p [2019-09-08 17:29:38,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure __swab16s [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 17:29:38,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 17:29:38,585 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 17:29:38,586 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure init_waitqueue_entry [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 17:29:38,587 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 17:29:38,588 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-08 17:29:38,589 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 17:29:38,590 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_1 [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 17:29:38,591 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_set_configuration [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2019-09-08 17:29:38,592 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2019-09-08 17:29:38,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_2 [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_3 [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_4 [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister_5 [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register [2019-09-08 17:29:38,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_serial_deregister [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 17:29:38,595 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 17:29:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 17:29:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 17:29:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 17:29:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 17:29:38,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 17:29:38,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 17:29:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 17:29:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 17:29:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 17:29:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 17:29:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 17:29:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 17:29:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_2 [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-08 17:29:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ti_startup [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_release [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_open [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_close [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_room [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_chars_in_buffer [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_throttle [2019-09-08 17:29:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ti_unthrottle [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_ioctl [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_termios [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmget [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_tiocmset [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_break [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_interrupt_callback [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_in_callback [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_bulk_out_callback [2019-09-08 17:29:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ti_recv [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_send [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_mcr [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_get_lsr [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_get_serial_info [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_set_serial_info [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_handle_new_msr [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_drain [2019-09-08 17:29:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure ti_stop_read [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_restart_read [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_out_sync [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_command_in_sync [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_write_byte [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_download_firmware [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_init [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_exit [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 17:29:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ti_do_download [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_2 [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 17:29:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 17:29:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 17:29:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 17:29:39,883 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 17:33:17,816 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 17:33:17,816 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 17:33:17,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:33:17 BoogieIcfgContainer [2019-09-08 17:33:17,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 17:33:17,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 17:33:17,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 17:33:17,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 17:33:17,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:29:35" (1/3) ... [2019-09-08 17:33:17,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad8d84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:33:17, skipping insertion in model container [2019-09-08 17:33:17,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:29:38" (2/3) ... [2019-09-08 17:33:17,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad8d84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:33:17, skipping insertion in model container [2019-09-08 17:33:17,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:33:17" (3/3) ... [2019-09-08 17:33:17,829 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-5742d35-1-136_1a-drivers--usb--serial--ti_usb_3410_5052.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-08 17:33:17,839 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 17:33:17,850 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 17:33:17,867 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 17:33:17,907 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 17:33:17,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 17:33:17,908 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 17:33:17,908 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 17:33:17,908 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 17:33:17,908 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 17:33:17,908 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 17:33:17,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 17:33:17,909 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 17:33:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states. [2019-09-08 17:33:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-08 17:33:17,974 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:17,975 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:33:17,977 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:17,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:17,983 INFO L82 PathProgramCache]: Analyzing trace with hash -921133274, now seen corresponding path program 1 times [2019-09-08 17:33:17,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:17,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:18,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:18,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:18,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 674 trivial. 0 not checked. [2019-09-08 17:33:20,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:33:20,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:33:20,005 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:33:20,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:33:20,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:33:20,022 INFO L87 Difference]: Start difference. First operand 1766 states. Second operand 3 states. [2019-09-08 17:33:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:24,162 INFO L93 Difference]: Finished difference Result 5050 states and 7214 transitions. [2019-09-08 17:33:24,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:33:24,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-09-08 17:33:24,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:24,222 INFO L225 Difference]: With dead ends: 5050 [2019-09-08 17:33:24,223 INFO L226 Difference]: Without dead ends: 3304 [2019-09-08 17:33:24,245 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:33:24,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3304 states. [2019-09-08 17:33:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3304 to 3301. [2019-09-08 17:33:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2019-09-08 17:33:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4701 transitions. [2019-09-08 17:33:24,557 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4701 transitions. Word has length 204 [2019-09-08 17:33:24,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:24,561 INFO L475 AbstractCegarLoop]: Abstraction has 3301 states and 4701 transitions. [2019-09-08 17:33:24,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:33:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4701 transitions. [2019-09-08 17:33:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 17:33:24,585 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:24,586 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 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] [2019-09-08 17:33:24,586 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:24,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:24,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1669399440, now seen corresponding path program 1 times [2019-09-08 17:33:24,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:24,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:24,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:24,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:24,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:25,474 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-09-08 17:33:25,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:33:25,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:33:25,478 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:33:25,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:33:25,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:33:25,479 INFO L87 Difference]: Start difference. First operand 3301 states and 4701 transitions. Second operand 3 states. [2019-09-08 17:33:25,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:25,663 INFO L93 Difference]: Finished difference Result 6541 states and 9334 transitions. [2019-09-08 17:33:25,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:33:25,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-09-08 17:33:25,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:25,727 INFO L225 Difference]: With dead ends: 6541 [2019-09-08 17:33:25,728 INFO L226 Difference]: Without dead ends: 6526 [2019-09-08 17:33:25,735 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:33:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6526 states. [2019-09-08 17:33:26,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6526 to 6526. [2019-09-08 17:33:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6526 states. [2019-09-08 17:33:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6526 states to 6526 states and 9314 transitions. [2019-09-08 17:33:26,070 INFO L78 Accepts]: Start accepts. Automaton has 6526 states and 9314 transitions. Word has length 224 [2019-09-08 17:33:26,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:26,073 INFO L475 AbstractCegarLoop]: Abstraction has 6526 states and 9314 transitions. [2019-09-08 17:33:26,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:33:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6526 states and 9314 transitions. [2019-09-08 17:33:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-09-08 17:33:26,087 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:26,088 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 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] [2019-09-08 17:33:26,088 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:26,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:26,089 INFO L82 PathProgramCache]: Analyzing trace with hash 878833288, now seen corresponding path program 1 times [2019-09-08 17:33:26,089 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:26,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:26,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:26,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:26,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:26,884 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-09-08 17:33:26,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:33:26,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-08 17:33:26,886 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:33:26,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:33:26,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:33:26,887 INFO L87 Difference]: Start difference. First operand 6526 states and 9314 transitions. Second operand 9 states. [2019-09-08 17:33:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:27,197 INFO L93 Difference]: Finished difference Result 13018 states and 18580 transitions. [2019-09-08 17:33:27,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:33:27,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2019-09-08 17:33:27,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:27,243 INFO L225 Difference]: With dead ends: 13018 [2019-09-08 17:33:27,244 INFO L226 Difference]: Without dead ends: 6540 [2019-09-08 17:33:27,280 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:33:27,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6540 states. [2019-09-08 17:33:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6540 to 6540. [2019-09-08 17:33:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6540 states. [2019-09-08 17:33:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6540 states to 6540 states and 9328 transitions. [2019-09-08 17:33:27,569 INFO L78 Accepts]: Start accepts. Automaton has 6540 states and 9328 transitions. Word has length 246 [2019-09-08 17:33:27,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:27,570 INFO L475 AbstractCegarLoop]: Abstraction has 6540 states and 9328 transitions. [2019-09-08 17:33:27,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:33:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 6540 states and 9328 transitions. [2019-09-08 17:33:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-09-08 17:33:27,594 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:27,595 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 17:33:27,595 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:27,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:27,596 INFO L82 PathProgramCache]: Analyzing trace with hash -41094189, now seen corresponding path program 1 times [2019-09-08 17:33:27,596 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:27,596 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:27,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:27,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:27,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:28,205 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2019-09-08 17:33:28,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:33:28,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:33:28,206 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:33:28,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:33:28,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:33:28,207 INFO L87 Difference]: Start difference. First operand 6540 states and 9328 transitions. Second operand 5 states. [2019-09-08 17:33:30,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:30,531 INFO L93 Difference]: Finished difference Result 11468 states and 16347 transitions. [2019-09-08 17:33:30,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:33:30,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2019-09-08 17:33:30,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:30,565 INFO L225 Difference]: With dead ends: 11468 [2019-09-08 17:33:30,565 INFO L226 Difference]: Without dead ends: 4976 [2019-09-08 17:33:30,597 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:33:30,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4976 states. [2019-09-08 17:33:30,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4976 to 4972. [2019-09-08 17:33:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4972 states. [2019-09-08 17:33:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4972 states to 4972 states and 7078 transitions. [2019-09-08 17:33:30,798 INFO L78 Accepts]: Start accepts. Automaton has 4972 states and 7078 transitions. Word has length 278 [2019-09-08 17:33:30,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:30,802 INFO L475 AbstractCegarLoop]: Abstraction has 4972 states and 7078 transitions. [2019-09-08 17:33:30,802 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:33:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4972 states and 7078 transitions. [2019-09-08 17:33:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-09-08 17:33:30,829 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:30,830 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:33:30,830 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:30,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:30,830 INFO L82 PathProgramCache]: Analyzing trace with hash -925435343, now seen corresponding path program 1 times [2019-09-08 17:33:30,831 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:30,831 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:30,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:30,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:30,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:32,803 WARN L188 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 6 [2019-09-08 17:33:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2019-09-08 17:33:32,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:33:32,942 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:33:32,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:36,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 8315 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 17:33:36,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:33:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2019-09-08 17:33:36,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:33:36,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2019-09-08 17:33:36,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 17:33:36,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 17:33:36,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:33:36,844 INFO L87 Difference]: Start difference. First operand 4972 states and 7078 transitions. Second operand 8 states. [2019-09-08 17:33:43,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:43,424 INFO L93 Difference]: Finished difference Result 9940 states and 14206 transitions. [2019-09-08 17:33:43,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:33:43,425 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 347 [2019-09-08 17:33:43,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:43,454 INFO L225 Difference]: With dead ends: 9940 [2019-09-08 17:33:43,454 INFO L226 Difference]: Without dead ends: 4988 [2019-09-08 17:33:43,479 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:33:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states. [2019-09-08 17:33:43,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 4986. [2019-09-08 17:33:43,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4986 states. [2019-09-08 17:33:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4986 states to 4986 states and 7094 transitions. [2019-09-08 17:33:43,694 INFO L78 Accepts]: Start accepts. Automaton has 4986 states and 7094 transitions. Word has length 347 [2019-09-08 17:33:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:43,694 INFO L475 AbstractCegarLoop]: Abstraction has 4986 states and 7094 transitions. [2019-09-08 17:33:43,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 17:33:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4986 states and 7094 transitions. [2019-09-08 17:33:43,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-09-08 17:33:43,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:43,720 INFO L399 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 10, 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] [2019-09-08 17:33:43,720 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:43,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:43,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1707167939, now seen corresponding path program 1 times [2019-09-08 17:33:43,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:43,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:43,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:43,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:43,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 1284 trivial. 0 not checked. [2019-09-08 17:33:45,289 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:33:45,289 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:33:45,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:49,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 8375 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 17:33:49,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:33:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1391 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2019-09-08 17:33:49,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:33:49,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2019-09-08 17:33:49,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:33:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:33:49,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:33:49,442 INFO L87 Difference]: Start difference. First operand 4986 states and 7094 transitions. Second operand 9 states. [2019-09-08 17:33:55,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:33:55,737 INFO L93 Difference]: Finished difference Result 9966 states and 14235 transitions. [2019-09-08 17:33:55,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:33:55,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 357 [2019-09-08 17:33:55,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:33:55,766 INFO L225 Difference]: With dead ends: 9966 [2019-09-08 17:33:55,766 INFO L226 Difference]: Without dead ends: 4997 [2019-09-08 17:33:55,785 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2019-09-08 17:33:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4997 states. [2019-09-08 17:33:56,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4997 to 4989. [2019-09-08 17:33:56,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4989 states. [2019-09-08 17:33:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 7098 transitions. [2019-09-08 17:33:56,023 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 7098 transitions. Word has length 357 [2019-09-08 17:33:56,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:33:56,024 INFO L475 AbstractCegarLoop]: Abstraction has 4989 states and 7098 transitions. [2019-09-08 17:33:56,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:33:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 7098 transitions. [2019-09-08 17:33:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2019-09-08 17:33:56,051 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:33:56,051 INFO L399 BasicCegarLoop]: trace histogram [20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:33:56,051 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:33:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:33:56,052 INFO L82 PathProgramCache]: Analyzing trace with hash 731564337, now seen corresponding path program 1 times [2019-09-08 17:33:56,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:33:56,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:33:56,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:56,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:33:56,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:33:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:33:57,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 18 proven. 79 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2019-09-08 17:33:57,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:33:57,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:33:57,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 17:34:12,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:34:12,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2019-09-08 17:34:12,290 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:34:12,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:34:12,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:34:12,291 INFO L87 Difference]: Start difference. First operand 4989 states and 7098 transitions. Second operand 6 states. [2019-09-08 17:34:12,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:12,593 INFO L93 Difference]: Finished difference Result 9963 states and 14175 transitions. [2019-09-08 17:34:12,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 17:34:12,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 367 [2019-09-08 17:34:12,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:12,618 INFO L225 Difference]: With dead ends: 9963 [2019-09-08 17:34:12,618 INFO L226 Difference]: Without dead ends: 4995 [2019-09-08 17:34:12,633 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:34:12,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4995 states. [2019-09-08 17:34:12,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4995 to 4991. [2019-09-08 17:34:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4991 states. [2019-09-08 17:34:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 4991 states and 7100 transitions. [2019-09-08 17:34:12,831 INFO L78 Accepts]: Start accepts. Automaton has 4991 states and 7100 transitions. Word has length 367 [2019-09-08 17:34:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:12,831 INFO L475 AbstractCegarLoop]: Abstraction has 4991 states and 7100 transitions. [2019-09-08 17:34:12,831 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:34:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4991 states and 7100 transitions. [2019-09-08 17:34:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-09-08 17:34:12,852 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:12,852 INFO L399 BasicCegarLoop]: trace histogram [22, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:34:12,852 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:12,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:12,853 INFO L82 PathProgramCache]: Analyzing trace with hash -993576355, now seen corresponding path program 2 times [2019-09-08 17:34:12,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:12,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:12,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:12,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:12,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2019-09-08 17:34:14,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:34:14,198 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 17:34:14,227 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:34:40,329 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:34:40,329 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:34:41,180 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:34:41,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 17:34:41,181 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 17:34:41,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 17:34:41,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:34:41,182 INFO L87 Difference]: Start difference. First operand 4991 states and 7100 transitions. Second operand 8 states. [2019-09-08 17:34:41,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:41,597 INFO L93 Difference]: Finished difference Result 9978 states and 14243 transitions. [2019-09-08 17:34:41,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:34:41,598 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 369 [2019-09-08 17:34:41,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:41,621 INFO L225 Difference]: With dead ends: 9978 [2019-09-08 17:34:41,621 INFO L226 Difference]: Without dead ends: 5004 [2019-09-08 17:34:41,636 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2019-09-08 17:34:41,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5004 states. [2019-09-08 17:34:41,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5004 to 4994. [2019-09-08 17:34:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4994 states. [2019-09-08 17:34:41,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4994 states to 4994 states and 7106 transitions. [2019-09-08 17:34:41,836 INFO L78 Accepts]: Start accepts. Automaton has 4994 states and 7106 transitions. Word has length 369 [2019-09-08 17:34:41,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:41,836 INFO L475 AbstractCegarLoop]: Abstraction has 4994 states and 7106 transitions. [2019-09-08 17:34:41,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 17:34:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4994 states and 7106 transitions. [2019-09-08 17:34:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-09-08 17:34:41,857 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:41,857 INFO L399 BasicCegarLoop]: trace histogram [32, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:34:41,858 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:41,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1028453653, now seen corresponding path program 3 times [2019-09-08 17:34:41,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:41,859 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:41,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:41,861 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:34:41,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2106 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 1874 trivial. 0 not checked. [2019-09-08 17:34:43,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:34:43,282 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:34:43,310 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 17:39:48,500 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2019-09-08 17:39:48,501 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:39:50,057 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:39:50,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 17:39:50,058 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:39:50,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:39:50,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:39:50,059 INFO L87 Difference]: Start difference. First operand 4994 states and 7106 transitions. Second operand 9 states. [2019-09-08 17:39:50,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:39:50,468 INFO L93 Difference]: Finished difference Result 9990 states and 14262 transitions. [2019-09-08 17:39:50,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 17:39:50,469 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 379 [2019-09-08 17:39:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:39:50,498 INFO L225 Difference]: With dead ends: 9990 [2019-09-08 17:39:50,498 INFO L226 Difference]: Without dead ends: 5013 [2019-09-08 17:39:50,515 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2019-09-08 17:39:50,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5013 states. [2019-09-08 17:39:50,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5013 to 4997. [2019-09-08 17:39:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4997 states. [2019-09-08 17:39:50,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7112 transitions. [2019-09-08 17:39:50,891 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7112 transitions. Word has length 379 [2019-09-08 17:39:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:39:50,891 INFO L475 AbstractCegarLoop]: Abstraction has 4997 states and 7112 transitions. [2019-09-08 17:39:50,891 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:39:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7112 transitions. [2019-09-08 17:39:50,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-09-08 17:39:50,915 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:39:50,916 INFO L399 BasicCegarLoop]: trace histogram [42, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:39:50,916 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:39:50,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:39:50,917 INFO L82 PathProgramCache]: Analyzing trace with hash 727806493, now seen corresponding path program 4 times [2019-09-08 17:39:50,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:39:50,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:39:50,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:39:50,923 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:39:50,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:39:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:39:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2591 backedges. 32 proven. 139 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2019-09-08 17:39:52,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:39:52,358 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 17:39:52,393 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:40:06,263 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 17:40:06,264 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:40:07,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:40:07,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2019-09-08 17:40:07,015 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 17:40:07,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 17:40:07,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:40:07,016 INFO L87 Difference]: Start difference. First operand 4997 states and 7112 transitions. Second operand 7 states. [2019-09-08 17:40:07,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:40:07,509 INFO L93 Difference]: Finished difference Result 9983 states and 14207 transitions. [2019-09-08 17:40:07,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 17:40:07,510 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 389 [2019-09-08 17:40:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:40:07,532 INFO L225 Difference]: With dead ends: 9983 [2019-09-08 17:40:07,532 INFO L226 Difference]: Without dead ends: 5007 [2019-09-08 17:40:07,545 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:40:07,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5007 states. [2019-09-08 17:40:07,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5007 to 4997. [2019-09-08 17:40:07,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4997 states. [2019-09-08 17:40:07,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7112 transitions. [2019-09-08 17:40:07,733 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7112 transitions. Word has length 389 [2019-09-08 17:40:07,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:40:07,737 INFO L475 AbstractCegarLoop]: Abstraction has 4997 states and 7112 transitions. [2019-09-08 17:40:07,737 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 17:40:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7112 transitions. [2019-09-08 17:40:07,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-09-08 17:40:07,771 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:40:07,772 INFO L399 BasicCegarLoop]: trace histogram [44, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:40:07,772 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:40:07,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:40:07,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1506200015, now seen corresponding path program 5 times [2019-09-08 17:40:07,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:40:07,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:40:07,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:40:07,776 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:40:07,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:40:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:40:09,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 42 proven. 186 refuted. 0 times theorem prover too weak. 2472 trivial. 0 not checked. [2019-09-08 17:40:09,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:40:09,063 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:40:09,087 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 17:40:09,555 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-09-08 17:40:09,555 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:40:09,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-08 17:40:09,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:40:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 1137 proven. 3 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-09-08 17:40:09,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:40:09,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2019-09-08 17:40:09,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 17:40:09,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 17:40:09,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:40:09,759 INFO L87 Difference]: Start difference. First operand 4997 states and 7112 transitions. Second operand 11 states. [2019-09-08 17:40:10,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:40:10,202 INFO L93 Difference]: Finished difference Result 9989 states and 14213 transitions. [2019-09-08 17:40:10,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 17:40:10,203 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 391 [2019-09-08 17:40:10,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:40:10,221 INFO L225 Difference]: With dead ends: 9989 [2019-09-08 17:40:10,222 INFO L226 Difference]: Without dead ends: 5013 [2019-09-08 17:40:10,240 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 388 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-08 17:40:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5013 states. [2019-09-08 17:40:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5013 to 4997. [2019-09-08 17:40:10,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4997 states. [2019-09-08 17:40:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7112 transitions. [2019-09-08 17:40:10,581 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7112 transitions. Word has length 391 [2019-09-08 17:40:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:40:10,582 INFO L475 AbstractCegarLoop]: Abstraction has 4997 states and 7112 transitions. [2019-09-08 17:40:10,582 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 17:40:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7112 transitions. [2019-09-08 17:40:10,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2019-09-08 17:40:10,598 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:40:10,598 INFO L399 BasicCegarLoop]: trace histogram [46, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 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] [2019-09-08 17:40:10,598 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:40:10,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:40:10,599 INFO L82 PathProgramCache]: Analyzing trace with hash 85607901, now seen corresponding path program 6 times [2019-09-08 17:40:10,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:40:10,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:40:10,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:40:10,602 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:40:10,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:40:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:40:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2813 backedges. 52 proven. 236 refuted. 0 times theorem prover too weak. 2525 trivial. 0 not checked. [2019-09-08 17:40:11,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:40:11,881 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:40:11,897 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE