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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:34:28,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:34:28,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:34:28,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:34:28,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:34:28,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:34:28,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:34:28,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:34:28,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:34:28,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:34:28,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:34:28,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:34:28,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:34:28,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:34:28,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:34:28,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:34:28,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:34:28,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:34:28,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:34:28,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:34:28,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:34:28,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:34:28,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:34:28,788 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:34:28,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:34:28,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:34:28,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:34:28,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:34:28,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:34:28,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:34:28,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:34:28,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:34:28,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:34:28,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:34:28,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:34:28,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:34:28,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:34:28,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:34:28,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:34:28,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:34:28,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:34:28,806 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 [2019-09-10 10:34:28,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:34:28,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:34:28,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:34:28,838 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:34:28,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:34:28,839 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:34:28,839 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:34:28,839 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:34:28,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:34:28,840 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:34:28,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:34:28,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:34:28,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:34:28,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:34:28,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:34:28,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:34:28,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:34:28,845 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:34:28,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:34:28,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:34:28,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:34:28,847 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:34:28,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:34:28,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:34:28,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:34:28,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:34:28,848 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:34:28,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:34:28,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:34:28,849 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:34:28,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:34:28,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:34:28,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:34:28,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:34:28,917 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:34:28,918 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-09-10 10:34:28,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd68415c/2f5b5993be2149b0bf263bb8fb659c78/FLAG1aadfd010 [2019-09-10 10:34:29,677 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:34:29,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-09-10 10:34:29,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd68415c/2f5b5993be2149b0bf263bb8fb659c78/FLAG1aadfd010 [2019-09-10 10:34:29,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cd68415c/2f5b5993be2149b0bf263bb8fb659c78 [2019-09-10 10:34:29,840 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:34:29,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:34:29,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:34:29,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:34:29,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:34:29,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:34:29" (1/1) ... [2019-09-10 10:34:29,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a80e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:29, skipping insertion in model container [2019-09-10 10:34:29,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:34:29" (1/1) ... [2019-09-10 10:34:29,860 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:34:29,959 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:34:31,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:34:31,381 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:34:31,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:34:31,816 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:34:31,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31 WrapperNode [2019-09-10 10:34:31,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:34:31,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:34:31,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:34:31,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:34:31,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:31,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:31,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:31,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:32,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:32,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:32,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... [2019-09-10 10:34:32,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:34:32,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:34:32,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:34:32,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:34:32,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:34:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:34:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:34:32,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-09-10 10:34:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:34:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:34:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:34:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:34:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:34:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-09-10 10:34:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-09-10 10:34:32,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2019-09-10 10:34:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2019-09-10 10:34:32,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2019-09-10 10:34:32,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2019-09-10 10:34:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2019-09-10 10:34:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2019-09-10 10:34:32,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2019-09-10 10:34:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2019-09-10 10:34:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2019-09-10 10:34:32,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2019-09-10 10:34:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2019-09-10 10:34:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2019-09-10 10:34:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2019-09-10 10:34:32,312 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2019-09-10 10:34:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2019-09-10 10:34:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2019-09-10 10:34:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2019-09-10 10:34:32,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2019-09-10 10:34:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2019-09-10 10:34:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2019-09-10 10:34:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2019-09-10 10:34:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:34:32,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-09-10 10:34:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-09-10 10:34:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-09-10 10:34:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-09-10 10:34:32,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-10 10:34:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-09-10 10:34:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-09-10 10:34:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-09-10 10:34:32,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-09-10 10:34:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-09-10 10:34:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-10 10:34:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:34:32,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:34:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:34:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:34:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:34:32,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-10 10:34:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-10 10:34:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:34:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-10 10:34:32,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-10 10:34:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:34:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:34:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:34:32,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:34:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:34:32,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:34:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:34:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-09-10 10:34:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-09-10 10:34:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2019-09-10 10:34:32,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2019-09-10 10:34:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-09-10 10:34:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-09-10 10:34:32,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2019-09-10 10:34:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:34:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:34:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 10:34:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-09-10 10:34:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-09-10 10:34:32,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:34:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:34:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:34:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2019-09-10 10:34:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-09-10 10:34:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-09-10 10:34:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-09-10 10:34:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2019-09-10 10:34:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2019-09-10 10:34:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-10 10:34:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-10 10:34:32,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-10 10:34:32,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-10 10:34:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:34:32,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-09-10 10:34:32,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-09-10 10:34:32,333 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2019-09-10 10:34:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-09-10 10:34:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2019-09-10 10:34:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2019-09-10 10:34:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:34:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:34:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-09-10 10:34:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-10 10:34:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-09-10 10:34:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:34:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-09-10 10:34:32,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-10 10:34:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-09-10 10:34:32,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-09-10 10:34:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-09-10 10:34:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-10 10:34:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-10 10:34:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-09-10 10:34:32,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-09-10 10:34:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-10 10:34:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-09-10 10:34:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-09-10 10:34:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-10 10:34:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-10 10:34:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-10 10:34:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-10 10:34:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-10 10:34:32,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-09-10 10:34:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-09-10 10:34:32,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-09-10 10:34:32,346 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-09-10 10:34:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2019-09-10 10:34:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2019-09-10 10:34:32,347 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2019-09-10 10:34:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:34:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:34:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:34:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-09-10 10:34:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-09-10 10:34:32,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-09-10 10:34:32,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-09-10 10:34:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-09-10 10:34:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-09-10 10:34:32,356 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-09-10 10:34:32,357 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-09-10 10:34:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:34:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:34:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:34:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:34:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-09-10 10:34:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:34:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2019-09-10 10:34:32,361 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2019-09-10 10:34:32,362 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:34:32,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-10 10:34:32,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-10 10:34:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:34:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:34:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:34:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:34:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:34:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:34:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:34:36,347 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:34:36,347 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:34:36,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:34:36 BoogieIcfgContainer [2019-09-10 10:34:36,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:34:36,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:34:36,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:34:36,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:34:36,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:34:29" (1/3) ... [2019-09-10 10:34:36,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3fb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:34:36, skipping insertion in model container [2019-09-10 10:34:36,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:34:31" (2/3) ... [2019-09-10 10:34:36,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19c3fb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:34:36, skipping insertion in model container [2019-09-10 10:34:36,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:34:36" (3/3) ... [2019-09-10 10:34:36,358 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-09-10 10:34:36,370 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:34:36,385 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:34:36,404 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:34:36,440 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:34:36,441 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:34:36,441 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:34:36,441 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:34:36,441 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:34:36,441 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:34:36,441 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:34:36,441 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:34:36,491 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states. [2019-09-10 10:34:36,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-10 10:34:36,511 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:36,512 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:36,514 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:36,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:36,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1012892836, now seen corresponding path program 1 times [2019-09-10 10:34:36,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:36,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:36,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:36,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:36,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:37,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:37,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:37,098 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:37,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:37,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:37,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:37,126 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 3 states. [2019-09-10 10:34:38,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:38,007 INFO L93 Difference]: Finished difference Result 1496 states and 1982 transitions. [2019-09-10 10:34:38,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:38,010 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-09-10 10:34:38,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:38,056 INFO L225 Difference]: With dead ends: 1496 [2019-09-10 10:34:38,056 INFO L226 Difference]: Without dead ends: 1489 [2019-09-10 10:34:38,059 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2019-09-10 10:34:38,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1485. [2019-09-10 10:34:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-09-10 10:34:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1972 transitions. [2019-09-10 10:34:38,252 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1972 transitions. Word has length 29 [2019-09-10 10:34:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:38,253 INFO L475 AbstractCegarLoop]: Abstraction has 1485 states and 1972 transitions. [2019-09-10 10:34:38,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1972 transitions. [2019-09-10 10:34:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-10 10:34:38,257 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:38,257 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:38,258 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:38,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1357180638, now seen corresponding path program 1 times [2019-09-10 10:34:38,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:38,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:38,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:38,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:38,262 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:38,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:38,419 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:38,419 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:38,419 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:38,421 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:38,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:38,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:38,422 INFO L87 Difference]: Start difference. First operand 1485 states and 1972 transitions. Second operand 3 states. [2019-09-10 10:34:38,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:38,566 INFO L93 Difference]: Finished difference Result 1494 states and 1981 transitions. [2019-09-10 10:34:38,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:38,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-10 10:34:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:38,581 INFO L225 Difference]: With dead ends: 1494 [2019-09-10 10:34:38,581 INFO L226 Difference]: Without dead ends: 1494 [2019-09-10 10:34:38,582 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:38,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-09-10 10:34:38,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1485. [2019-09-10 10:34:38,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-09-10 10:34:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1971 transitions. [2019-09-10 10:34:38,725 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1971 transitions. Word has length 34 [2019-09-10 10:34:38,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:38,726 INFO L475 AbstractCegarLoop]: Abstraction has 1485 states and 1971 transitions. [2019-09-10 10:34:38,726 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1971 transitions. [2019-09-10 10:34:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-09-10 10:34:38,731 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:38,731 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:38,731 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:38,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1414438940, now seen corresponding path program 1 times [2019-09-10 10:34:38,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:38,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:38,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:38,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:38,738 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:38,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:38,891 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:38,892 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:38,892 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:38,892 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:38,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:38,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:38,893 INFO L87 Difference]: Start difference. First operand 1485 states and 1971 transitions. Second operand 3 states. [2019-09-10 10:34:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:39,676 INFO L93 Difference]: Finished difference Result 1484 states and 1969 transitions. [2019-09-10 10:34:39,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:39,677 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-09-10 10:34:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:39,703 INFO L225 Difference]: With dead ends: 1484 [2019-09-10 10:34:39,703 INFO L226 Difference]: Without dead ends: 1484 [2019-09-10 10:34:39,703 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2019-09-10 10:34:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2019-09-10 10:34:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2019-09-10 10:34:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2019-09-10 10:34:39,767 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 34 [2019-09-10 10:34:39,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:39,768 INFO L475 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2019-09-10 10:34:39,768 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2019-09-10 10:34:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-09-10 10:34:39,771 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:39,772 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:39,772 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:39,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:39,772 INFO L82 PathProgramCache]: Analyzing trace with hash 897379620, now seen corresponding path program 1 times [2019-09-10 10:34:39,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:39,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:39,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:39,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:39,775 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:39,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:39,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:39,952 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:39,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:39,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:39,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:39,953 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand 3 states. [2019-09-10 10:34:40,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:40,638 INFO L93 Difference]: Finished difference Result 1483 states and 1967 transitions. [2019-09-10 10:34:40,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:40,638 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-09-10 10:34:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:40,650 INFO L225 Difference]: With dead ends: 1483 [2019-09-10 10:34:40,650 INFO L226 Difference]: Without dead ends: 1483 [2019-09-10 10:34:40,651 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2019-09-10 10:34:40,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2019-09-10 10:34:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2019-09-10 10:34:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1967 transitions. [2019-09-10 10:34:40,713 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1967 transitions. Word has length 35 [2019-09-10 10:34:40,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:40,713 INFO L475 AbstractCegarLoop]: Abstraction has 1483 states and 1967 transitions. [2019-09-10 10:34:40,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1967 transitions. [2019-09-10 10:34:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-09-10 10:34:40,715 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:40,715 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:40,715 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:40,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:40,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2048414751, now seen corresponding path program 1 times [2019-09-10 10:34:40,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:40,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:40,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:40,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:40,719 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:40,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:40,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:40,841 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:40,841 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:40,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:40,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:40,842 INFO L87 Difference]: Start difference. First operand 1483 states and 1967 transitions. Second operand 3 states. [2019-09-10 10:34:42,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:42,471 INFO L93 Difference]: Finished difference Result 2907 states and 3880 transitions. [2019-09-10 10:34:42,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:42,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-09-10 10:34:42,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:42,493 INFO L225 Difference]: With dead ends: 2907 [2019-09-10 10:34:42,494 INFO L226 Difference]: Without dead ends: 2895 [2019-09-10 10:34:42,494 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:42,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2019-09-10 10:34:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2874. [2019-09-10 10:34:42,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2019-09-10 10:34:42,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3847 transitions. [2019-09-10 10:34:42,677 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3847 transitions. Word has length 36 [2019-09-10 10:34:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:42,678 INFO L475 AbstractCegarLoop]: Abstraction has 2874 states and 3847 transitions. [2019-09-10 10:34:42,678 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:42,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3847 transitions. [2019-09-10 10:34:42,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 10:34:42,682 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:42,682 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:42,682 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:42,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:42,683 INFO L82 PathProgramCache]: Analyzing trace with hash 855999933, now seen corresponding path program 1 times [2019-09-10 10:34:42,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:42,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:42,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:42,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:42,685 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:42,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:42,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:42,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:42,791 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:42,791 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:42,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:42,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:42,792 INFO L87 Difference]: Start difference. First operand 2874 states and 3847 transitions. Second operand 3 states. [2019-09-10 10:34:42,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:42,981 INFO L93 Difference]: Finished difference Result 5249 states and 7001 transitions. [2019-09-10 10:34:42,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:42,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-10 10:34:42,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:43,027 INFO L225 Difference]: With dead ends: 5249 [2019-09-10 10:34:43,028 INFO L226 Difference]: Without dead ends: 5249 [2019-09-10 10:34:43,029 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:43,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2019-09-10 10:34:43,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 5234. [2019-09-10 10:34:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2019-09-10 10:34:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6987 transitions. [2019-09-10 10:34:43,271 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6987 transitions. Word has length 64 [2019-09-10 10:34:43,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:43,272 INFO L475 AbstractCegarLoop]: Abstraction has 5234 states and 6987 transitions. [2019-09-10 10:34:43,272 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6987 transitions. [2019-09-10 10:34:43,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-10 10:34:43,284 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:43,285 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:34:43,285 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:43,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:43,286 INFO L82 PathProgramCache]: Analyzing trace with hash 2136533684, now seen corresponding path program 1 times [2019-09-10 10:34:43,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:43,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:43,290 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:43,290 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:43,290 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:34:43,533 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:43,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:43,537 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:43,539 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:43,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:43,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:43,540 INFO L87 Difference]: Start difference. First operand 5234 states and 6987 transitions. Second operand 3 states. [2019-09-10 10:34:44,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:44,680 INFO L93 Difference]: Finished difference Result 7649 states and 10201 transitions. [2019-09-10 10:34:44,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:44,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-09-10 10:34:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:44,742 INFO L225 Difference]: With dead ends: 7649 [2019-09-10 10:34:44,742 INFO L226 Difference]: Without dead ends: 7649 [2019-09-10 10:34:44,743 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:44,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2019-09-10 10:34:45,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7634. [2019-09-10 10:34:45,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-09-10 10:34:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10187 transitions. [2019-09-10 10:34:45,098 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10187 transitions. Word has length 83 [2019-09-10 10:34:45,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:45,100 INFO L475 AbstractCegarLoop]: Abstraction has 7634 states and 10187 transitions. [2019-09-10 10:34:45,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10187 transitions. [2019-09-10 10:34:45,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-10 10:34:45,109 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:45,110 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:45,110 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:45,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash -878134479, now seen corresponding path program 1 times [2019-09-10 10:34:45,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:45,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:45,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:45,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:45,114 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 10:34:45,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:45,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:34:45,336 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:45,337 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:34:45,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:34:45,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:34:45,338 INFO L87 Difference]: Start difference. First operand 7634 states and 10187 transitions. Second operand 5 states. [2019-09-10 10:34:45,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:45,614 INFO L93 Difference]: Finished difference Result 7634 states and 10183 transitions. [2019-09-10 10:34:45,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:34:45,615 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-09-10 10:34:45,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:45,663 INFO L225 Difference]: With dead ends: 7634 [2019-09-10 10:34:45,663 INFO L226 Difference]: Without dead ends: 7634 [2019-09-10 10:34:45,663 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:34:45,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7634 states. [2019-09-10 10:34:45,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7634 to 7634. [2019-09-10 10:34:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-09-10 10:34:46,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10183 transitions. [2019-09-10 10:34:46,000 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10183 transitions. Word has length 99 [2019-09-10 10:34:46,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:46,001 INFO L475 AbstractCegarLoop]: Abstraction has 7634 states and 10183 transitions. [2019-09-10 10:34:46,001 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:34:46,001 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10183 transitions. [2019-09-10 10:34:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 10:34:46,010 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:46,011 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:46,011 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:46,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash -19505024, now seen corresponding path program 1 times [2019-09-10 10:34:46,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:46,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:46,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:46,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:46,014 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 10:34:46,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:46,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:34:46,164 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:46,165 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:34:46,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:34:46,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:46,166 INFO L87 Difference]: Start difference. First operand 7634 states and 10183 transitions. Second operand 3 states. [2019-09-10 10:34:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:47,111 INFO L93 Difference]: Finished difference Result 7636 states and 10156 transitions. [2019-09-10 10:34:47,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:34:47,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-09-10 10:34:47,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:47,161 INFO L225 Difference]: With dead ends: 7636 [2019-09-10 10:34:47,161 INFO L226 Difference]: Without dead ends: 7636 [2019-09-10 10:34:47,162 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:34:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7636 states. [2019-09-10 10:34:47,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7636 to 7617. [2019-09-10 10:34:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7617 states. [2019-09-10 10:34:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7617 states to 7617 states and 10137 transitions. [2019-09-10 10:34:47,509 INFO L78 Accepts]: Start accepts. Automaton has 7617 states and 10137 transitions. Word has length 100 [2019-09-10 10:34:47,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:47,510 INFO L475 AbstractCegarLoop]: Abstraction has 7617 states and 10137 transitions. [2019-09-10 10:34:47,510 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:34:47,511 INFO L276 IsEmpty]: Start isEmpty. Operand 7617 states and 10137 transitions. [2019-09-10 10:34:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 10:34:47,525 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:47,525 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:34:47,525 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:47,526 INFO L82 PathProgramCache]: Analyzing trace with hash -729115681, now seen corresponding path program 1 times [2019-09-10 10:34:47,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:47,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:47,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:47,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:47,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:47,755 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-10 10:34:47,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:47,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:34:47,756 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:47,757 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:34:47,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:34:47,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:34:47,758 INFO L87 Difference]: Start difference. First operand 7617 states and 10137 transitions. Second operand 7 states. [2019-09-10 10:34:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:47,905 INFO L93 Difference]: Finished difference Result 7575 states and 10069 transitions. [2019-09-10 10:34:47,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:34:47,906 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2019-09-10 10:34:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:47,944 INFO L225 Difference]: With dead ends: 7575 [2019-09-10 10:34:47,944 INFO L226 Difference]: Without dead ends: 7575 [2019-09-10 10:34:47,945 INFO L628 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 [2019-09-10 10:34:47,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7575 states. [2019-09-10 10:34:48,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7575 to 7569. [2019-09-10 10:34:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7569 states. [2019-09-10 10:34:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 10063 transitions. [2019-09-10 10:34:48,178 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 10063 transitions. Word has length 104 [2019-09-10 10:34:48,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:48,178 INFO L475 AbstractCegarLoop]: Abstraction has 7569 states and 10063 transitions. [2019-09-10 10:34:48,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:34:48,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 10063 transitions. [2019-09-10 10:34:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 10:34:48,190 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:48,190 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:34:48,190 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:48,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:48,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1225259457, now seen corresponding path program 1 times [2019-09-10 10:34:48,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:48,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:48,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:48,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:48,297 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:48,510 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 10:34:48,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:48,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:34:48,511 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:48,511 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:34:48,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:34:48,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:34:48,513 INFO L87 Difference]: Start difference. First operand 7569 states and 10063 transitions. Second operand 7 states. [2019-09-10 10:34:48,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:48,614 INFO L93 Difference]: Finished difference Result 7538 states and 10014 transitions. [2019-09-10 10:34:48,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:34:48,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2019-09-10 10:34:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:48,649 INFO L225 Difference]: With dead ends: 7538 [2019-09-10 10:34:48,650 INFO L226 Difference]: Without dead ends: 7538 [2019-09-10 10:34:48,651 INFO L628 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 [2019-09-10 10:34:48,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2019-09-10 10:34:48,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7530. [2019-09-10 10:34:48,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7530 states. [2019-09-10 10:34:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 10004 transitions. [2019-09-10 10:34:48,884 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 10004 transitions. Word has length 100 [2019-09-10 10:34:48,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:48,885 INFO L475 AbstractCegarLoop]: Abstraction has 7530 states and 10004 transitions. [2019-09-10 10:34:48,885 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:34:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 10004 transitions. [2019-09-10 10:34:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-10 10:34:48,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:48,898 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-09-10 10:34:48,898 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:48,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:48,898 INFO L82 PathProgramCache]: Analyzing trace with hash -136702546, now seen corresponding path program 1 times [2019-09-10 10:34:48,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:48,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:48,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:48,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:48,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-10 10:34:49,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:49,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:34:49,076 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:49,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:34:49,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:34:49,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:34:49,078 INFO L87 Difference]: Start difference. First operand 7530 states and 10004 transitions. Second operand 7 states. [2019-09-10 10:34:49,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:49,170 INFO L93 Difference]: Finished difference Result 7532 states and 10006 transitions. [2019-09-10 10:34:49,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:34:49,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2019-09-10 10:34:49,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:49,209 INFO L225 Difference]: With dead ends: 7532 [2019-09-10 10:34:49,209 INFO L226 Difference]: Without dead ends: 7532 [2019-09-10 10:34:49,210 INFO L628 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 [2019-09-10 10:34:49,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7532 states. [2019-09-10 10:34:49,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7532 to 7524. [2019-09-10 10:34:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7524 states. [2019-09-10 10:34:49,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 9996 transitions. [2019-09-10 10:34:49,531 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 9996 transitions. Word has length 108 [2019-09-10 10:34:49,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:49,532 INFO L475 AbstractCegarLoop]: Abstraction has 7524 states and 9996 transitions. [2019-09-10 10:34:49,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:34:49,532 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 9996 transitions. [2019-09-10 10:34:49,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 10:34:49,543 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:34:49,544 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 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] [2019-09-10 10:34:49,544 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:34:49,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:34:49,545 INFO L82 PathProgramCache]: Analyzing trace with hash -900641247, now seen corresponding path program 1 times [2019-09-10 10:34:49,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:34:49,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:49,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:34:49,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:34:49,548 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:34:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:34:49,718 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 10:34:49,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:34:49,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:34:49,719 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:34:49,720 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:34:49,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:34:49,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:34:49,721 INFO L87 Difference]: Start difference. First operand 7524 states and 9996 transitions. Second operand 7 states. [2019-09-10 10:34:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:34:49,784 INFO L93 Difference]: Finished difference Result 3968 states and 5233 transitions. [2019-09-10 10:34:49,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:34:49,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2019-09-10 10:34:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:34:49,785 INFO L225 Difference]: With dead ends: 3968 [2019-09-10 10:34:49,785 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:34:49,786 INFO L628 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 [2019-09-10 10:34:49,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:34:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:34:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:34:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:34:49,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-09-10 10:34:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:34:49,787 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:34:49,787 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:34:49,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:34:49,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:34:49,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:34:49 BoogieIcfgContainer [2019-09-10 10:34:49,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:34:49,799 INFO L168 Benchmark]: Toolchain (without parser) took 19956.04 ms. Allocated memory was 138.4 MB in the beginning and 502.3 MB in the end (delta: 363.9 MB). Free memory was 89.5 MB in the beginning and 277.6 MB in the end (delta: -188.1 MB). Peak memory consumption was 175.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:34:49,799 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 112.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 10:34:49,802 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1975.84 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 106.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2019-09-10 10:34:49,804 INFO L168 Benchmark]: Boogie Preprocessor took 375.80 ms. Allocated memory was 206.0 MB in the beginning and 241.2 MB in the end (delta: 35.1 MB). Free memory was 106.3 MB in the beginning and 200.4 MB in the end (delta: -94.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:34:49,809 INFO L168 Benchmark]: RCFGBuilder took 4154.30 ms. Allocated memory was 241.2 MB in the beginning and 306.7 MB in the end (delta: 65.5 MB). Free memory was 200.4 MB in the beginning and 205.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 134.7 MB. Max. memory is 7.1 GB. [2019-09-10 10:34:49,810 INFO L168 Benchmark]: TraceAbstraction took 13444.60 ms. Allocated memory was 306.7 MB in the beginning and 502.3 MB in the end (delta: 195.6 MB). Free memory was 205.4 MB in the beginning and 277.6 MB in the end (delta: -72.2 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:34:49,820 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory is still 112.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1975.84 ms. Allocated memory was 138.4 MB in the beginning and 206.0 MB in the end (delta: 67.6 MB). Free memory was 89.1 MB in the beginning and 106.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 375.80 ms. Allocated memory was 206.0 MB in the beginning and 241.2 MB in the end (delta: 35.1 MB). Free memory was 106.3 MB in the beginning and 200.4 MB in the end (delta: -94.1 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4154.30 ms. Allocated memory was 241.2 MB in the beginning and 306.7 MB in the end (delta: 65.5 MB). Free memory was 200.4 MB in the beginning and 205.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 134.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13444.60 ms. Allocated memory was 306.7 MB in the beginning and 502.3 MB in the end (delta: 195.6 MB). Free memory was 205.4 MB in the beginning and 277.6 MB in the end (delta: -72.2 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3343]: 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 105 procedures, 936 locations, 1 error locations. SAFE Result, 13.3s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 7.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15600 SDtfs, 8546 SDslu, 26814 SDs, 0 SdLazy, 175 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7634occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 105 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 936 NumberOfCodeBlocks, 936 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 105854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 108/108 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...