java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:54:22,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:54:22,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:54:22,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:54:22,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:54:22,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:54:22,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:54:22,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:54:22,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:54:22,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:54:22,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:54:22,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:54:22,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:54:22,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:54:22,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:54:22,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:54:22,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:54:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:54:22,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:54:22,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:54:22,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:54:22,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:54:22,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:54:22,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:54:22,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:54:22,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:54:22,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:54:22,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:54:22,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:54:22,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:54:22,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:54:22,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:54:22,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:54:22,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:54:22,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:54:22,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:54:22,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:54:22,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:54:22,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:54:22,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:54:22,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:54:22,656 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 01:54:22,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:54:22,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:54:22,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:54:22,673 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:54:22,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:54:22,674 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:54:22,674 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:54:22,674 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:54:22,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:54:22,674 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:54:22,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:54:22,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:54:22,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:54:22,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:54:22,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:54:22,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:54:22,677 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:54:22,677 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:54:22,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:54:22,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:54:22,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:54:22,678 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:54:22,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:54:22,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:54:22,679 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:54:22,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:54:22,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:54:22,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:54:22,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:54:22,730 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:54:22,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-03 01:54:22,804 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68b6267e/fe9af533840148e8bd1fd14dabd179d8/FLAG1aa9fa6ca [2019-10-03 01:54:23,693 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:54:23,693 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-03 01:54:23,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68b6267e/fe9af533840148e8bd1fd14dabd179d8/FLAG1aa9fa6ca [2019-10-03 01:54:24,115 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b68b6267e/fe9af533840148e8bd1fd14dabd179d8 [2019-10-03 01:54:24,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:54:24,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:54:24,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:54:24,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:54:24,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:54:24,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:54:24" (1/1) ... [2019-10-03 01:54:24,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a849a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:24, skipping insertion in model container [2019-10-03 01:54:24,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:54:24" (1/1) ... [2019-10-03 01:54:24,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:54:24,341 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:54:27,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:54:27,325 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:54:27,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:54:28,005 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:54:28,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28 WrapperNode [2019-10-03 01:54:28,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:54:28,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:54:28,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:54:28,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:54:28,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... [2019-10-03 01:54:28,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:54:28,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:54:28,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:54:28,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:54:28,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:54:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:54:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:54:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-03 01:54:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-03 01:54:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-03 01:54:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-03 01:54:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-03 01:54:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:54:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-03 01:54:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:54:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:54:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-03 01:54:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-03 01:54:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:54:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:54:28,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:54:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:54:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:54:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:54:28,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:54:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 01:54:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 01:54:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 01:54:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-03 01:54:28,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 01:54:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-03 01:54:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 01:54:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-03 01:54:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-03 01:54:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2019-10-03 01:54:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tda1004x_writereg [2019-10-03 01:54:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2019-10-03 01:54:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-03 01:54:28,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_cmd [2019-10-03 01:54:28,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_result [2019-10-03 01:54:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_i2c_msg [2019-10-03 01:54:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure master_xfer [2019-10-03 01:54:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_boot_dsp [2019-10-03 01:54:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_channel [2019-10-03 01:54:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_del_channel [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_controller [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_update_lnb [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_voltage [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_muxpack [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_frame [2019-10-03 01:54:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_iso_irq [2019-10-03 01:54:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_free_iso_urbs [2019-10-03 01:54:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_alloc_iso_urbs [2019-10-03 01:54:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_iso_xfer [2019-10-03 01:54:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_iso_xfer [2019-10-03 01:54:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_feed [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_feed [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_setup_interfaces [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure functionality [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdmb7_tuner_set_params [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_init [2019-10-03 01:54:28,471 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_set_params [2019-10-03 01:54:28,472 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_request_firmware [2019-10-03 01:54:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_stv0299_set_symbol_rate [2019-10-03 01:54:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tsa5059_tuner_set_params [2019-10-03 01:54:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-10-03 01:54:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdbe2_tuner_set_params [2019-10-03 01:54:28,473 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pwm [2019-10-03 01:54:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-10-03 01:54:28,474 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_init [2019-10-03 01:54:28,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_probe [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_disconnect [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_init [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_exit [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_2 [2019-10-03 01:54:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:54:28,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-03 01:54:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-03 01:54:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-03 01:54:28,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-03 01:54:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-03 01:54:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-03 01:54:28,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-03 01:54:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-03 01:54:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-03 01:54:28,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-03 01:54:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-03 01:54:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-03 01:54:28,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-03 01:54:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2019-10-03 01:54:28,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-03 01:54:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-03 01:54:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-03 01:54:28,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-03 01:54:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_23 [2019-10-03 01:54:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_24 [2019-10-03 01:54:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:54:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-03 01:54:28,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 01:54:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 01:54:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 01:54:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 01:54:28,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:54:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:54:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:54:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:54:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:54:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:54:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:54:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:54:28,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-03 01:54:28,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-03 01:54:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:54:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-03 01:54:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-03 01:54:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-03 01:54:28,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-03 01:54:28,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:54:28,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-03 01:54:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:54:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:54:28,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:54:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:54:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:54:28,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:54:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:54:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:54:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:54:28,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:54:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:54:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-10-03 01:54:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-10-03 01:54:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-10-03 01:54:28,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-10-03 01:54:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-10-03 01:54:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-10-03 01:54:28,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-10-03 01:54:28,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-10-03 01:54:28,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-10-03 01:54:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-10-03 01:54:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-10-03 01:54:28,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-10-03 01:54:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-10-03 01:54:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semusb_of_ttusb [2019-10-03 01:54:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-10-03 01:54:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-10-03 01:54:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-10-03 01:54:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-10-03 01:54:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-10-03 01:54:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-10-03 01:54:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-10-03 01:54:28,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-10-03 01:54:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:54:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 01:54:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-03 01:54:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-03 01:54:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-03 01:54:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_adapter [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2019-10-03 01:54:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-03 01:54:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:54:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-03 01:54:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-03 01:54:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-03 01:54:28,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-03 01:54:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:54:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:54:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-03 01:54:28,521 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-03 01:54:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-03 01:54:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-03 01:54:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 01:54:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-03 01:54:28,522 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-03 01:54:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 01:54:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-03 01:54:28,523 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-03 01:54:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:54:28,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:54:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:54:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:54:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 01:54:28,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-03 01:54:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:54:28,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:54:28,526 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:54:28,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-03 01:54:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-03 01:54:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-03 01:54:28,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-03 01:54:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-03 01:54:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-03 01:54:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-03 01:54:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:54:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:54:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-03 01:54:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-03 01:54:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-03 01:54:28,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:54:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:54:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 01:54:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-03 01:54:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_2 [2019-10-03 01:54:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-03 01:54:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-03 01:54:28,609 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-03 01:54:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-03 01:54:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 01:54:28,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:54:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 01:54:28,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_23 [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 01:54:28,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_24 [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 01:54:28,614 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-03 01:54:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-03 01:54:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-03 01:54:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-03 01:54:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-03 01:54:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_adapter [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-10-03 01:54:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2019-10-03 01:54:28,617 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure tda1004x_writereg [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2019-10-03 01:54:28,618 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_cmd [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_result [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_i2c_msg [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure master_xfer [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_boot_dsp [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_channel [2019-10-03 01:54:28,619 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_del_channel [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_controller [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_update_lnb [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_voltage [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_muxpack [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_frame [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_iso_irq [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_free_iso_urbs [2019-10-03 01:54:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_alloc_iso_urbs [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_iso_xfer [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_iso_xfer [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_feed [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_feed [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_setup_interfaces [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure functionality [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdmb7_tuner_set_params [2019-10-03 01:54:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_init [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_set_params [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_request_firmware [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure alps_stv0299_set_symbol_rate [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tsa5059_tuner_set_params [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdbe2_tuner_set_params [2019-10-03 01:54:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure read_pwm [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_init [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_probe [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-03 01:54:28,623 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_disconnect [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_init [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_exit [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:54:28,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-03 01:54:28,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-03 01:54:28,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-03 01:54:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-03 01:54:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-03 01:54:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-10-03 01:54:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-10-03 01:54:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-10-03 01:54:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-10-03 01:54:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-10-03 01:54:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-10-03 01:54:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-10-03 01:54:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-10-03 01:54:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-10-03 01:54:28,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-10-03 01:54:28,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 01:54:28,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 01:54:28,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 01:54:30,110 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:54:42,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:54:42,957 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-03 01:54:42,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:54:42 BoogieIcfgContainer [2019-10-03 01:54:42,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:54:42,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:54:42,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:54:42,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:54:42,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:54:24" (1/3) ... [2019-10-03 01:54:42,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fc68a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:54:42, skipping insertion in model container [2019-10-03 01:54:42,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:54:28" (2/3) ... [2019-10-03 01:54:42,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32fc68a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:54:42, skipping insertion in model container [2019-10-03 01:54:42,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:54:42" (3/3) ... [2019-10-03 01:54:42,974 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-03 01:54:42,985 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:54:42,998 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:54:43,016 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:54:43,051 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:54:43,052 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:54:43,052 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:54:43,052 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:54:43,052 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:54:43,052 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:54:43,052 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:54:43,053 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:54:43,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states. [2019-10-03 01:54:43,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-03 01:54:43,148 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:43,149 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:43,152 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:43,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:43,157 INFO L82 PathProgramCache]: Analyzing trace with hash -839768968, now seen corresponding path program 1 times [2019-10-03 01:54:43,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:43,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:43,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:43,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:43,319 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-10-03 01:54:44,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:44,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:44,412 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:44,419 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:44,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:44,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:44,441 INFO L87 Difference]: Start difference. First operand 1461 states. Second operand 3 states. [2019-10-03 01:54:47,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:47,375 INFO L93 Difference]: Finished difference Result 2163 states and 2864 transitions. [2019-10-03 01:54:47,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:47,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-03 01:54:47,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:47,432 INFO L225 Difference]: With dead ends: 2163 [2019-10-03 01:54:47,432 INFO L226 Difference]: Without dead ends: 2142 [2019-10-03 01:54:47,434 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:47,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2019-10-03 01:54:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 2135. [2019-10-03 01:54:47,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2135 states. [2019-10-03 01:54:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 2135 states and 2825 transitions. [2019-10-03 01:54:47,669 INFO L78 Accepts]: Start accepts. Automaton has 2135 states and 2825 transitions. Word has length 132 [2019-10-03 01:54:47,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:47,670 INFO L475 AbstractCegarLoop]: Abstraction has 2135 states and 2825 transitions. [2019-10-03 01:54:47,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 2825 transitions. [2019-10-03 01:54:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-03 01:54:47,679 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:47,679 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:47,680 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:47,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:47,680 INFO L82 PathProgramCache]: Analyzing trace with hash 547537143, now seen corresponding path program 1 times [2019-10-03 01:54:47,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:47,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:47,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:47,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:47,699 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-10-03 01:54:48,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:48,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:48,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:48,034 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:48,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:48,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:48,035 INFO L87 Difference]: Start difference. First operand 2135 states and 2825 transitions. Second operand 3 states. [2019-10-03 01:54:48,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:48,382 INFO L93 Difference]: Finished difference Result 4204 states and 5561 transitions. [2019-10-03 01:54:48,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:48,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 141 [2019-10-03 01:54:48,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:48,410 INFO L225 Difference]: With dead ends: 4204 [2019-10-03 01:54:48,410 INFO L226 Difference]: Without dead ends: 4204 [2019-10-03 01:54:48,411 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:48,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4204 states. [2019-10-03 01:54:48,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4204 to 4173. [2019-10-03 01:54:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4173 states. [2019-10-03 01:54:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 4173 states and 5527 transitions. [2019-10-03 01:54:48,559 INFO L78 Accepts]: Start accepts. Automaton has 4173 states and 5527 transitions. Word has length 141 [2019-10-03 01:54:48,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:48,560 INFO L475 AbstractCegarLoop]: Abstraction has 4173 states and 5527 transitions. [2019-10-03 01:54:48,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 4173 states and 5527 transitions. [2019-10-03 01:54:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-03 01:54:48,563 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:48,564 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:48,564 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:48,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:48,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1821853540, now seen corresponding path program 1 times [2019-10-03 01:54:48,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:48,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:48,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:48,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:48,582 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:48,963 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-10-03 01:54:48,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:48,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:48,964 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:48,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:48,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:48,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:48,966 INFO L87 Difference]: Start difference. First operand 4173 states and 5527 transitions. Second operand 3 states. [2019-10-03 01:54:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:49,330 INFO L93 Difference]: Finished difference Result 8204 states and 10846 transitions. [2019-10-03 01:54:49,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:49,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-03 01:54:49,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:49,407 INFO L225 Difference]: With dead ends: 8204 [2019-10-03 01:54:49,407 INFO L226 Difference]: Without dead ends: 8204 [2019-10-03 01:54:49,408 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:49,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2019-10-03 01:54:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 8157. [2019-10-03 01:54:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8157 states. [2019-10-03 01:54:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8157 states to 8157 states and 10795 transitions. [2019-10-03 01:54:49,968 INFO L78 Accepts]: Start accepts. Automaton has 8157 states and 10795 transitions. Word has length 148 [2019-10-03 01:54:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:49,969 INFO L475 AbstractCegarLoop]: Abstraction has 8157 states and 10795 transitions. [2019-10-03 01:54:49,969 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 8157 states and 10795 transitions. [2019-10-03 01:54:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 01:54:49,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:49,973 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:49,974 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:49,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash -245613788, now seen corresponding path program 1 times [2019-10-03 01:54:49,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:50,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:50,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:50,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:50,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:54:50,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:50,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:50,434 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:50,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:50,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:50,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:50,436 INFO L87 Difference]: Start difference. First operand 8157 states and 10795 transitions. Second operand 3 states. [2019-10-03 01:54:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:50,506 INFO L93 Difference]: Finished difference Result 8156 states and 10793 transitions. [2019-10-03 01:54:50,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:50,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-03 01:54:50,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:50,553 INFO L225 Difference]: With dead ends: 8156 [2019-10-03 01:54:50,553 INFO L226 Difference]: Without dead ends: 8156 [2019-10-03 01:54:50,554 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8156 states. [2019-10-03 01:54:50,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8156 to 8156. [2019-10-03 01:54:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8156 states. [2019-10-03 01:54:50,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8156 states to 8156 states and 10793 transitions. [2019-10-03 01:54:50,822 INFO L78 Accepts]: Start accepts. Automaton has 8156 states and 10793 transitions. Word has length 153 [2019-10-03 01:54:50,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:50,824 INFO L475 AbstractCegarLoop]: Abstraction has 8156 states and 10793 transitions. [2019-10-03 01:54:50,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:50,825 INFO L276 IsEmpty]: Start isEmpty. Operand 8156 states and 10793 transitions. [2019-10-03 01:54:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 01:54:50,832 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:50,832 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:50,832 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:50,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:50,833 INFO L82 PathProgramCache]: Analyzing trace with hash -965755442, now seen corresponding path program 1 times [2019-10-03 01:54:50,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:50,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:50,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:50,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:50,857 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:51,204 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2019-10-03 01:54:51,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:51,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:51,205 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:51,206 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:51,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:51,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:51,207 INFO L87 Difference]: Start difference. First operand 8156 states and 10793 transitions. Second operand 3 states. [2019-10-03 01:54:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:51,648 INFO L93 Difference]: Finished difference Result 9716 states and 12823 transitions. [2019-10-03 01:54:51,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:51,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 01:54:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:51,716 INFO L225 Difference]: With dead ends: 9716 [2019-10-03 01:54:51,716 INFO L226 Difference]: Without dead ends: 9716 [2019-10-03 01:54:51,717 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9716 states. [2019-10-03 01:54:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9716 to 9652. [2019-10-03 01:54:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9652 states. [2019-10-03 01:54:52,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9652 states to 9652 states and 12747 transitions. [2019-10-03 01:54:52,028 INFO L78 Accepts]: Start accepts. Automaton has 9652 states and 12747 transitions. Word has length 156 [2019-10-03 01:54:52,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:52,029 INFO L475 AbstractCegarLoop]: Abstraction has 9652 states and 12747 transitions. [2019-10-03 01:54:52,029 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:52,029 INFO L276 IsEmpty]: Start isEmpty. Operand 9652 states and 12747 transitions. [2019-10-03 01:54:52,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 01:54:52,031 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:52,031 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:52,032 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:52,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:52,032 INFO L82 PathProgramCache]: Analyzing trace with hash 975376840, now seen corresponding path program 1 times [2019-10-03 01:54:52,032 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:52,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:52,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:52,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:52,055 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:52,706 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:54:52,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:52,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:52,707 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:52,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:52,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:52,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:52,708 INFO L87 Difference]: Start difference. First operand 9652 states and 12747 transitions. Second operand 3 states. [2019-10-03 01:54:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:52,798 INFO L93 Difference]: Finished difference Result 9651 states and 12745 transitions. [2019-10-03 01:54:52,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:52,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-03 01:54:52,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:52,862 INFO L225 Difference]: With dead ends: 9651 [2019-10-03 01:54:52,862 INFO L226 Difference]: Without dead ends: 9651 [2019-10-03 01:54:52,863 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:52,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9651 states. [2019-10-03 01:54:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9651 to 9651. [2019-10-03 01:54:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9651 states. [2019-10-03 01:54:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9651 states to 9651 states and 12745 transitions. [2019-10-03 01:54:53,163 INFO L78 Accepts]: Start accepts. Automaton has 9651 states and 12745 transitions. Word has length 154 [2019-10-03 01:54:53,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:53,164 INFO L475 AbstractCegarLoop]: Abstraction has 9651 states and 12745 transitions. [2019-10-03 01:54:53,164 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 9651 states and 12745 transitions. [2019-10-03 01:54:53,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 01:54:53,167 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:53,167 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:53,168 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:53,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:53,168 INFO L82 PathProgramCache]: Analyzing trace with hash 171385511, now seen corresponding path program 1 times [2019-10-03 01:54:53,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:53,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:53,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:53,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:53,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:54:53,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:53,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:53,546 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:53,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:53,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:53,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:53,547 INFO L87 Difference]: Start difference. First operand 9651 states and 12745 transitions. Second operand 3 states. [2019-10-03 01:54:53,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:53,623 INFO L93 Difference]: Finished difference Result 9650 states and 12743 transitions. [2019-10-03 01:54:53,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:53,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 01:54:53,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:53,660 INFO L225 Difference]: With dead ends: 9650 [2019-10-03 01:54:53,660 INFO L226 Difference]: Without dead ends: 9650 [2019-10-03 01:54:53,661 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:53,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9650 states. [2019-10-03 01:54:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9650 to 9650. [2019-10-03 01:54:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9650 states. [2019-10-03 01:54:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9650 states to 9650 states and 12743 transitions. [2019-10-03 01:54:53,907 INFO L78 Accepts]: Start accepts. Automaton has 9650 states and 12743 transitions. Word has length 155 [2019-10-03 01:54:53,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:53,907 INFO L475 AbstractCegarLoop]: Abstraction has 9650 states and 12743 transitions. [2019-10-03 01:54:53,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 9650 states and 12743 transitions. [2019-10-03 01:54:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 01:54:53,909 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:53,909 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:53,910 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:53,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:53,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1017462955, now seen corresponding path program 1 times [2019-10-03 01:54:53,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:53,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:53,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:53,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:53,926 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:54:54,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:54,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:54,377 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:54,378 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:54,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:54,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:54,378 INFO L87 Difference]: Start difference. First operand 9650 states and 12743 transitions. Second operand 3 states. [2019-10-03 01:54:54,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:54,567 INFO L93 Difference]: Finished difference Result 16294 states and 21672 transitions. [2019-10-03 01:54:54,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:54,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 01:54:54,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:54,640 INFO L225 Difference]: With dead ends: 16294 [2019-10-03 01:54:54,640 INFO L226 Difference]: Without dead ends: 16294 [2019-10-03 01:54:54,640 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:54,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16294 states. [2019-10-03 01:54:55,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16294 to 16211. [2019-10-03 01:54:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16211 states. [2019-10-03 01:54:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16211 states to 16211 states and 21577 transitions. [2019-10-03 01:54:55,280 INFO L78 Accepts]: Start accepts. Automaton has 16211 states and 21577 transitions. Word has length 156 [2019-10-03 01:54:55,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:55,281 INFO L475 AbstractCegarLoop]: Abstraction has 16211 states and 21577 transitions. [2019-10-03 01:54:55,281 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 16211 states and 21577 transitions. [2019-10-03 01:54:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-03 01:54:55,285 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:55,285 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:55,286 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:55,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:55,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1476064810, now seen corresponding path program 1 times [2019-10-03 01:54:55,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:55,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:55,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:55,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:55,306 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:54:55,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:55,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:54:55,666 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:55,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:54:55,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:54:55,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:55,668 INFO L87 Difference]: Start difference. First operand 16211 states and 21577 transitions. Second operand 3 states. [2019-10-03 01:54:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:55,971 INFO L93 Difference]: Finished difference Result 31059 states and 42949 transitions. [2019-10-03 01:54:55,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:54:55,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-03 01:54:55,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:56,160 INFO L225 Difference]: With dead ends: 31059 [2019-10-03 01:54:56,160 INFO L226 Difference]: Without dead ends: 31040 [2019-10-03 01:54:56,161 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:54:56,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31040 states. [2019-10-03 01:54:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31040 to 30335. [2019-10-03 01:54:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30335 states. [2019-10-03 01:54:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30335 states to 30335 states and 42120 transitions. [2019-10-03 01:54:57,122 INFO L78 Accepts]: Start accepts. Automaton has 30335 states and 42120 transitions. Word has length 157 [2019-10-03 01:54:57,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:54:57,122 INFO L475 AbstractCegarLoop]: Abstraction has 30335 states and 42120 transitions. [2019-10-03 01:54:57,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:54:57,122 INFO L276 IsEmpty]: Start isEmpty. Operand 30335 states and 42120 transitions. [2019-10-03 01:54:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-03 01:54:57,131 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:54:57,132 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:54:57,132 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:54:57,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:54:57,132 INFO L82 PathProgramCache]: Analyzing trace with hash 614350388, now seen corresponding path program 1 times [2019-10-03 01:54:57,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:54:57,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:57,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:54:57,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:54:57,148 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:54:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:54:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-10-03 01:54:58,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:54:58,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 01:54:58,969 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:54:58,970 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 01:54:58,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 01:54:58,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:54:58,971 INFO L87 Difference]: Start difference. First operand 30335 states and 42120 transitions. Second operand 7 states. [2019-10-03 01:54:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:54:59,285 INFO L93 Difference]: Finished difference Result 28849 states and 39987 transitions. [2019-10-03 01:54:59,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:54:59,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 224 [2019-10-03 01:54:59,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:54:59,468 INFO L225 Difference]: With dead ends: 28849 [2019-10-03 01:54:59,468 INFO L226 Difference]: Without dead ends: 28849 [2019-10-03 01:54:59,469 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:54:59,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28849 states. [2019-10-03 01:55:00,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28849 to 28849. [2019-10-03 01:55:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28849 states. [2019-10-03 01:55:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28849 states to 28849 states and 39987 transitions. [2019-10-03 01:55:00,264 INFO L78 Accepts]: Start accepts. Automaton has 28849 states and 39987 transitions. Word has length 224 [2019-10-03 01:55:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:00,265 INFO L475 AbstractCegarLoop]: Abstraction has 28849 states and 39987 transitions. [2019-10-03 01:55:00,265 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 01:55:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28849 states and 39987 transitions. [2019-10-03 01:55:00,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-03 01:55:00,274 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:00,274 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:00,274 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:00,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:00,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1210427194, now seen corresponding path program 1 times [2019-10-03 01:55:00,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:00,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:00,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:00,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:00,289 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-10-03 01:55:00,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:00,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:55:00,619 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:00,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:55:00,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:55:00,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:00,621 INFO L87 Difference]: Start difference. First operand 28849 states and 39987 transitions. Second operand 3 states. [2019-10-03 01:55:03,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:03,217 INFO L93 Difference]: Finished difference Result 28868 states and 39126 transitions. [2019-10-03 01:55:03,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:55:03,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2019-10-03 01:55:03,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:03,333 INFO L225 Difference]: With dead ends: 28868 [2019-10-03 01:55:03,334 INFO L226 Difference]: Without dead ends: 28868 [2019-10-03 01:55:03,334 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:03,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28868 states. [2019-10-03 01:55:04,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28868 to 28647. [2019-10-03 01:55:04,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28647 states. [2019-10-03 01:55:04,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28647 states to 28647 states and 38904 transitions. [2019-10-03 01:55:04,265 INFO L78 Accepts]: Start accepts. Automaton has 28647 states and 38904 transitions. Word has length 217 [2019-10-03 01:55:04,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:04,266 INFO L475 AbstractCegarLoop]: Abstraction has 28647 states and 38904 transitions. [2019-10-03 01:55:04,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:55:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 28647 states and 38904 transitions. [2019-10-03 01:55:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-03 01:55:04,279 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:04,279 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:04,280 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:04,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:04,280 INFO L82 PathProgramCache]: Analyzing trace with hash 180047816, now seen corresponding path program 1 times [2019-10-03 01:55:04,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:04,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:04,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:04,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:04,295 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-10-03 01:55:04,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:04,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:55:04,692 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:04,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:55:04,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:55:04,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:04,695 INFO L87 Difference]: Start difference. First operand 28647 states and 38904 transitions. Second operand 3 states. [2019-10-03 01:55:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:07,253 INFO L93 Difference]: Finished difference Result 14741 states and 19938 transitions. [2019-10-03 01:55:07,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:55:07,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-10-03 01:55:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:07,305 INFO L225 Difference]: With dead ends: 14741 [2019-10-03 01:55:07,305 INFO L226 Difference]: Without dead ends: 14737 [2019-10-03 01:55:07,306 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:07,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14737 states. [2019-10-03 01:55:07,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14737 to 14328. [2019-10-03 01:55:07,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14328 states. [2019-10-03 01:55:07,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14328 states to 14328 states and 19505 transitions. [2019-10-03 01:55:07,638 INFO L78 Accepts]: Start accepts. Automaton has 14328 states and 19505 transitions. Word has length 237 [2019-10-03 01:55:07,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:07,639 INFO L475 AbstractCegarLoop]: Abstraction has 14328 states and 19505 transitions. [2019-10-03 01:55:07,639 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:55:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 14328 states and 19505 transitions. [2019-10-03 01:55:07,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-03 01:55:07,655 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:07,655 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:07,655 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:07,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1018423468, now seen corresponding path program 1 times [2019-10-03 01:55:07,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:07,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:07,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:07,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:07,676 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2019-10-03 01:55:08,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:08,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 01:55:08,177 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:08,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 01:55:08,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 01:55:08,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:08,180 INFO L87 Difference]: Start difference. First operand 14328 states and 19505 transitions. Second operand 7 states. [2019-10-03 01:55:08,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:08,421 INFO L93 Difference]: Finished difference Result 10047 states and 13470 transitions. [2019-10-03 01:55:08,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:55:08,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2019-10-03 01:55:08,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:08,455 INFO L225 Difference]: With dead ends: 10047 [2019-10-03 01:55:08,456 INFO L226 Difference]: Without dead ends: 10047 [2019-10-03 01:55:08,456 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10047 states. [2019-10-03 01:55:08,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10047 to 10047. [2019-10-03 01:55:08,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10047 states. [2019-10-03 01:55:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10047 states to 10047 states and 13470 transitions. [2019-10-03 01:55:08,693 INFO L78 Accepts]: Start accepts. Automaton has 10047 states and 13470 transitions. Word has length 239 [2019-10-03 01:55:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:08,693 INFO L475 AbstractCegarLoop]: Abstraction has 10047 states and 13470 transitions. [2019-10-03 01:55:08,694 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 01:55:08,694 INFO L276 IsEmpty]: Start isEmpty. Operand 10047 states and 13470 transitions. [2019-10-03 01:55:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-10-03 01:55:08,706 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:08,706 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:08,706 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:08,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:08,707 INFO L82 PathProgramCache]: Analyzing trace with hash -285944273, now seen corresponding path program 1 times [2019-10-03 01:55:08,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:08,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:08,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:08,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:08,720 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-10-03 01:55:09,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:09,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:55:09,132 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:09,133 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:55:09,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:55:09,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:09,134 INFO L87 Difference]: Start difference. First operand 10047 states and 13470 transitions. Second operand 3 states. [2019-10-03 01:55:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:11,747 INFO L93 Difference]: Finished difference Result 12111 states and 15964 transitions. [2019-10-03 01:55:11,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:55:11,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-10-03 01:55:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:11,786 INFO L225 Difference]: With dead ends: 12111 [2019-10-03 01:55:11,786 INFO L226 Difference]: Without dead ends: 12111 [2019-10-03 01:55:11,787 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:11,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12111 states. [2019-10-03 01:55:12,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12111 to 12022. [2019-10-03 01:55:12,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12022 states. [2019-10-03 01:55:12,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12022 states to 12022 states and 15860 transitions. [2019-10-03 01:55:12,047 INFO L78 Accepts]: Start accepts. Automaton has 12022 states and 15860 transitions. Word has length 254 [2019-10-03 01:55:12,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:12,047 INFO L475 AbstractCegarLoop]: Abstraction has 12022 states and 15860 transitions. [2019-10-03 01:55:12,047 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:55:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12022 states and 15860 transitions. [2019-10-03 01:55:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-03 01:55:12,063 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:12,064 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:12,064 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:12,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:12,064 INFO L82 PathProgramCache]: Analyzing trace with hash 986539169, now seen corresponding path program 1 times [2019-10-03 01:55:12,065 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:12,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:12,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:12,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:12,081 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:12,576 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-10-03 01:55:12,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:12,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:55:12,577 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:12,578 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:55:12,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:55:12,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:12,578 INFO L87 Difference]: Start difference. First operand 12022 states and 15860 transitions. Second operand 3 states. [2019-10-03 01:55:15,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:15,055 INFO L93 Difference]: Finished difference Result 12024 states and 15423 transitions. [2019-10-03 01:55:15,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:55:15,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 257 [2019-10-03 01:55:15,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:15,088 INFO L225 Difference]: With dead ends: 12024 [2019-10-03 01:55:15,089 INFO L226 Difference]: Without dead ends: 12024 [2019-10-03 01:55:15,089 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:55:15,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12024 states. [2019-10-03 01:55:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12024 to 11780. [2019-10-03 01:55:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11780 states. [2019-10-03 01:55:15,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11780 states to 11780 states and 15144 transitions. [2019-10-03 01:55:15,297 INFO L78 Accepts]: Start accepts. Automaton has 11780 states and 15144 transitions. Word has length 257 [2019-10-03 01:55:15,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:15,298 INFO L475 AbstractCegarLoop]: Abstraction has 11780 states and 15144 transitions. [2019-10-03 01:55:15,298 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:55:15,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11780 states and 15144 transitions. [2019-10-03 01:55:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-10-03 01:55:15,311 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:15,311 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:15,311 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:15,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:15,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1051517120, now seen corresponding path program 1 times [2019-10-03 01:55:15,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:15,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:15,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:15,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:15,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-10-03 01:55:15,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:15,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 01:55:15,891 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:15,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 01:55:15,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 01:55:15,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:15,893 INFO L87 Difference]: Start difference. First operand 11780 states and 15144 transitions. Second operand 7 states. [2019-10-03 01:55:16,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:16,152 INFO L93 Difference]: Finished difference Result 11571 states and 14856 transitions. [2019-10-03 01:55:16,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:55:16,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 257 [2019-10-03 01:55:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:16,184 INFO L225 Difference]: With dead ends: 11571 [2019-10-03 01:55:16,184 INFO L226 Difference]: Without dead ends: 11571 [2019-10-03 01:55:16,185 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:16,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11571 states. [2019-10-03 01:55:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11571 to 11541. [2019-10-03 01:55:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11541 states. [2019-10-03 01:55:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11541 states to 11541 states and 14783 transitions. [2019-10-03 01:55:16,395 INFO L78 Accepts]: Start accepts. Automaton has 11541 states and 14783 transitions. Word has length 257 [2019-10-03 01:55:16,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:16,395 INFO L475 AbstractCegarLoop]: Abstraction has 11541 states and 14783 transitions. [2019-10-03 01:55:16,396 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 01:55:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 11541 states and 14783 transitions. [2019-10-03 01:55:16,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-10-03 01:55:16,414 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:16,414 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:16,415 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:16,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1884007140, now seen corresponding path program 1 times [2019-10-03 01:55:16,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:16,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:16,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:16,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:16,433 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2019-10-03 01:55:16,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:16,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 01:55:16,949 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:16,949 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 01:55:16,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 01:55:16,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:55:16,950 INFO L87 Difference]: Start difference. First operand 11541 states and 14783 transitions. Second operand 5 states. [2019-10-03 01:55:17,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:17,056 INFO L93 Difference]: Finished difference Result 11681 states and 15009 transitions. [2019-10-03 01:55:17,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:55:17,057 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 270 [2019-10-03 01:55:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:17,094 INFO L225 Difference]: With dead ends: 11681 [2019-10-03 01:55:17,094 INFO L226 Difference]: Without dead ends: 11681 [2019-10-03 01:55:17,095 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:55:17,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11681 states. [2019-10-03 01:55:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11681 to 11641. [2019-10-03 01:55:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11641 states. [2019-10-03 01:55:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11641 states to 11641 states and 14937 transitions. [2019-10-03 01:55:17,337 INFO L78 Accepts]: Start accepts. Automaton has 11641 states and 14937 transitions. Word has length 270 [2019-10-03 01:55:17,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:17,338 INFO L475 AbstractCegarLoop]: Abstraction has 11641 states and 14937 transitions. [2019-10-03 01:55:17,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 01:55:17,338 INFO L276 IsEmpty]: Start isEmpty. Operand 11641 states and 14937 transitions. [2019-10-03 01:55:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-10-03 01:55:17,361 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:17,362 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-03 01:55:17,362 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:17,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:17,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1868041306, now seen corresponding path program 1 times [2019-10-03 01:55:17,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:17,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:17,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:17,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:17,378 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-10-03 01:55:17,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:55:17,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 01:55:17,852 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:17,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 01:55:17,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 01:55:17,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:17,853 INFO L87 Difference]: Start difference. First operand 11641 states and 14937 transitions. Second operand 7 states. [2019-10-03 01:55:17,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:17,962 INFO L93 Difference]: Finished difference Result 11591 states and 14861 transitions. [2019-10-03 01:55:17,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:55:17,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 281 [2019-10-03 01:55:17,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:18,002 INFO L225 Difference]: With dead ends: 11591 [2019-10-03 01:55:18,003 INFO L226 Difference]: Without dead ends: 11591 [2019-10-03 01:55:18,003 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:55:18,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11591 states. [2019-10-03 01:55:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11591 to 11581. [2019-10-03 01:55:18,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11581 states. [2019-10-03 01:55:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11581 states to 11581 states and 14835 transitions. [2019-10-03 01:55:18,242 INFO L78 Accepts]: Start accepts. Automaton has 11581 states and 14835 transitions. Word has length 281 [2019-10-03 01:55:18,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:18,243 INFO L475 AbstractCegarLoop]: Abstraction has 11581 states and 14835 transitions. [2019-10-03 01:55:18,243 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 01:55:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 11581 states and 14835 transitions. [2019-10-03 01:55:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-10-03 01:55:18,264 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:55:18,265 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:55:18,265 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:55:18,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:18,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1943649772, now seen corresponding path program 1 times [2019-10-03 01:55:18,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:55:18,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:18,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:55:18,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:55:18,282 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:55:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:55:19,614 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 6 [2019-10-03 01:55:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2019-10-03 01:55:19,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 01:55:19,735 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 01:55:19,736 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2019-10-03 01:55:19,740 INFO L207 CegarAbsIntRunner]: [0], [2], [4], [5], [85], [91], [92], [95], [98], [101], [103], [104], [109], [111], [112], [202], [206], [208], [209], [340], [341], [365], [405], [411], [412], [559], [560], [792], [813], [816], [824], [826], [827], [843], [844], [1382], [1385], [1452], [1453], [1458], [1460], [1462], [1463], [1479], [1481], [1483], [1487], [1489], [1492], [1498], [1518], [1535], [1536], [1556], [1573], [1579], [1585], [1586], [1771], [1777], [1780], [1783], [1785], [1887], [1889], [1890], [1891], [1904], [1907], [1911], [1913], [1916], [1921], [1924], [1969], [1982], [1984], [1985], [1992], [1994], [1995], [2122], [2123], [2124], [2126], [2128], [2130], [2132], [2134], [2136], [2139], [2141], [2143], [2145], [2178], [2230], [2233], [2236], [2248], [2251], [2254], [2256], [2259], [2261], [2269], [2288], [2291], [2294], [2297], [2300], [2616], [2620], [2628], [2630], [2634], [2687], [2688], [2707], [2713], [2716], [2719], [2721], [2776], [2779], [2840], [2842], [2918], [2920], [2922], [2923], [2952], [2953], [2954], [2955], [2972], [2974], [2975], [3010], [3014], [3015], [3166], [3172], [3174], [3175], [3286], [3304], [3305], [3306], [3307], [3312], [3313], [3314], [3315], [3316], [3352], [3353], [3374], [3375], [3376], [3377], [3378], [3379], [3380], [3381], [3396], [3397], [3402], [3403], [3438], [3439], [3440], [3441], [3442], [3443], [3444], [3445], [3446], [3447], [3448], [3449], [3450], [3451], [3452], [3453], [3454], [3455], [3456], [3457], [3470], [3471], [3472], [3473], [3476], [3556], [3557], [3558], [3570], [3571], [3598], [3599], [3600], [3601], [3626], [3627], [3628], [3652], [3653], [3654], [3655], [3656], [3657], [3658] [2019-10-03 01:55:19,829 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 01:55:19,830 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 01:55:20,123 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 01:55:20,126 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 311 root evaluator evaluations with a maximum evaluation depth of 0. Performed 311 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 602 variables. [2019-10-03 01:55:20,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:55:20,134 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 01:55:20,325 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 01:55:20,325 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 01:55:20,347 INFO L420 sIntCurrentIteration]: We unified 291 AI predicates to 291 [2019-10-03 01:55:20,347 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 01:55:20,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 01:55:20,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 01:55:20,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:55:20,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 01:55:20,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 01:55:20,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:55:20,355 INFO L87 Difference]: Start difference. First operand 11581 states and 14835 transitions. Second operand 2 states. [2019-10-03 01:55:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:55:20,356 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 01:55:20,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 01:55:20,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 292 [2019-10-03 01:55:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:55:20,356 INFO L225 Difference]: With dead ends: 2 [2019-10-03 01:55:20,357 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:55:20,357 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:55:20,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:55:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:55:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:55:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:55:20,358 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2019-10-03 01:55:20,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:55:20,358 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:55:20,359 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 01:55:20,359 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:55:20,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:55:20,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:55:20 BoogieIcfgContainer [2019-10-03 01:55:20,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:55:20,372 INFO L168 Benchmark]: Toolchain (without parser) took 56242.96 ms. Allocated memory was 132.6 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 76.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 357.4 MB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,373 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3878.01 ms. Allocated memory was 132.6 MB in the beginning and 269.0 MB in the end (delta: 136.3 MB). Free memory was 76.0 MB in the beginning and 111.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,381 INFO L168 Benchmark]: Boogie Preprocessor took 355.32 ms. Allocated memory is still 269.0 MB. Free memory was 111.9 MB in the beginning and 79.6 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,382 INFO L168 Benchmark]: RCFGBuilder took 14598.50 ms. Allocated memory was 269.0 MB in the beginning and 728.2 MB in the end (delta: 459.3 MB). Free memory was 79.6 MB in the beginning and 623.4 MB in the end (delta: -543.8 MB). Peak memory consumption was 366.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,385 INFO L168 Benchmark]: TraceAbstraction took 37404.13 ms. Allocated memory was 728.2 MB in the beginning and 1.6 GB in the end (delta: 863.0 MB). Free memory was 623.4 MB in the beginning and 1.2 GB in the end (delta: -554.3 MB). Peak memory consumption was 308.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:55:20,394 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3878.01 ms. Allocated memory was 132.6 MB in the beginning and 269.0 MB in the end (delta: 136.3 MB). Free memory was 76.0 MB in the beginning and 111.9 MB in the end (delta: -35.9 MB). Peak memory consumption was 119.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 355.32 ms. Allocated memory is still 269.0 MB. Free memory was 111.9 MB in the beginning and 79.6 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 14598.50 ms. Allocated memory was 269.0 MB in the beginning and 728.2 MB in the end (delta: 459.3 MB). Free memory was 79.6 MB in the beginning and 623.4 MB in the end (delta: -543.8 MB). Peak memory consumption was 366.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37404.13 ms. Allocated memory was 728.2 MB in the beginning and 1.6 GB in the end (delta: 863.0 MB). Free memory was 623.4 MB in the beginning and 1.2 GB in the end (delta: -554.3 MB). Peak memory consumption was 308.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 198 procedures, 1624 locations, 1 error locations. SAFE Result, 37.3s OverallTime, 19 OverallIterations, 8 TraceHistogramMax, 17.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 29759 SDtfs, 15110 SDslu, 46684 SDs, 0 SdLazy, 188 SolverSat, 31 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 12.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30335occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.254295532646048 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 1980 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 4.3s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 3880 NumberOfCodeBlocks, 3880 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3861 ConstructedInterpolants, 0 QuantifiedInterpolants, 962320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 18 PerfectInterpolantSequences, 4510/4559 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...