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 0.1.24-673a906-m [2019-10-02 23:32:52,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 23:32:52,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 23:32:52,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 23:32:52,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 23:32:52,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 23:32:52,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 23:32:52,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 23:32:52,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 23:32:52,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 23:32:52,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 23:32:52,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 23:32:52,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 23:32:52,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 23:32:52,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 23:32:52,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 23:32:52,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 23:32:52,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 23:32:52,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 23:32:52,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 23:32:52,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 23:32:52,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 23:32:52,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 23:32:52,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 23:32:52,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 23:32:52,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 23:32:52,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 23:32:52,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 23:32:52,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 23:32:52,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 23:32:52,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 23:32:52,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 23:32:52,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 23:32:52,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 23:32:52,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 23:32:52,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 23:32:52,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 23:32:52,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 23:32:52,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 23:32:52,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 23:32:52,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 23:32:52,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-02 23:32:52,943 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 23:32:52,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 23:32:52,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-02 23:32:52,944 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-02 23:32:52,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-02 23:32:52,945 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-02 23:32:52,945 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-02 23:32:52,946 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-02 23:32:52,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-02 23:32:52,946 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-02 23:32:52,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 23:32:52,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 23:32:52,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 23:32:52,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 23:32:52,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 23:32:52,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 23:32:52,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 23:32:52,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 23:32:52,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 23:32:52,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 23:32:52,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 23:32:52,951 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-02 23:32:52,952 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 23:32:52,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:32:52,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 23:32:52,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 23:32:52,953 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-02 23:32:52,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 23:32:52,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 23:32:52,954 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-02 23:32:52,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 23:32:53,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 23:32:53,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 23:32:53,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 23:32:53,008 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 23:32:53,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-02 23:32:53,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe7bbfb6/67530ff8321b453fa35a3bacd153e3cd/FLAG8eba1a844 [2019-10-02 23:32:53,794 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 23:32:53,795 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-02 23:32:53,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe7bbfb6/67530ff8321b453fa35a3bacd153e3cd/FLAG8eba1a844 [2019-10-02 23:32:53,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffe7bbfb6/67530ff8321b453fa35a3bacd153e3cd [2019-10-02 23:32:53,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 23:32:53,865 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 23:32:53,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 23:32:53,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 23:32:53,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 23:32:53,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:32:53" (1/1) ... [2019-10-02 23:32:53,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea8d686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:53, skipping insertion in model container [2019-10-02 23:32:53,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:32:53" (1/1) ... [2019-10-02 23:32:53,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 23:32:53,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 23:32:55,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:32:55,432 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 23:32:55,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 23:32:55,800 INFO L192 MainTranslator]: Completed translation [2019-10-02 23:32:55,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55 WrapperNode [2019-10-02 23:32:55,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 23:32:55,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 23:32:55,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 23:32:55,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 23:32:55,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:55,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:55,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:55,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:55,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:55,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:56,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... [2019-10-02 23:32:56,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 23:32:56,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 23:32:56,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 23:32:56,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 23:32:56,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 23:32:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 23:32:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 23:32:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2019-10-02 23:32:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 23:32:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 23:32:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 23:32:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 23:32:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 23:32:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-02 23:32:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-02 23:32:56,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2019-10-02 23:32:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2019-10-02 23:32:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2019-10-02 23:32:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2019-10-02 23:32:56,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2019-10-02 23:32:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2019-10-02 23:32:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2019-10-02 23:32:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2019-10-02 23:32:56,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-02 23:32:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2019-10-02 23:32:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2019-10-02 23:32:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2019-10-02 23:32:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2019-10-02 23:32:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2019-10-02 23:32:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2019-10-02 23:32:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2019-10-02 23:32:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2019-10-02 23:32:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2019-10-02 23:32:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2019-10-02 23:32:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2019-10-02 23:32:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2019-10-02 23:32:56,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 23:32:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-02 23:32:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-02 23:32:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-02 23:32:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-02 23:32:56,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-02 23:32:56,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-02 23:32:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 23:32:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 23:32:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 23:32:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-02 23:32:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-02 23:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:32:56,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-02 23:32:56,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-02 23:32:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-02 23:32:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-02 23:32:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-02 23:32:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 23:32:56,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 23:32:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-02 23:32:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2019-10-02 23:32:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-02 23:32:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 23:32:56,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 23:32:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 23:32:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2019-10-02 23:32:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2019-10-02 23:32:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-10-02 23:32:56,136 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2019-10-02 23:32:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2019-10-02 23:32:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2019-10-02 23:32:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-02 23:32:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 23:32:56,137 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-02 23:32:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 23:32:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 23:32:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2019-10-02 23:32:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-02 23:32:56,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-02 23:32:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2019-10-02 23:32:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2019-10-02 23:32:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2019-10-02 23:32:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2019-10-02 23:32:56,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2019-10-02 23:32:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2019-10-02 23:32:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2019-10-02 23:32:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2019-10-02 23:32:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2019-10-02 23:32:56,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 23:32:56,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 23:32:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 23:32:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 23:32:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-02 23:32:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-02 23:32:56,142 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 23:32:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-10-02 23:32:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 23:32:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-02 23:32:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 23:32:56,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-02 23:32:56,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-02 23:32:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-02 23:32:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2019-10-02 23:32:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 23:32:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-02 23:32:56,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-02 23:32:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-02 23:32:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-02 23:32:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 23:32:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 23:32:56,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 23:32:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2019-10-02 23:32:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2019-10-02 23:32:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 23:32:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-10-02 23:32:56,147 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2019-10-02 23:32:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2019-10-02 23:32:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2019-10-02 23:32:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2019-10-02 23:32:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2019-10-02 23:32:56,148 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 23:32:56,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2019-10-02 23:32:56,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2019-10-02 23:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2019-10-02 23:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2019-10-02 23:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2019-10-02 23:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2019-10-02 23:32:56,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 23:32:56,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 23:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 23:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 23:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 23:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 23:32:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 23:32:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 23:32:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 23:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2019-10-02 23:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2019-10-02 23:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2019-10-02 23:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2019-10-02 23:32:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2019-10-02 23:32:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2019-10-02 23:32:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2019-10-02 23:32:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 23:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 23:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 23:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 23:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-02 23:32:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 23:32:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 23:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 23:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2019-10-02 23:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2019-10-02 23:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2019-10-02 23:32:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 23:32:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 23:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 23:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 23:32:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 23:32:59,956 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 23:32:59,957 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 23:32:59,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:32:59 BoogieIcfgContainer [2019-10-02 23:32:59,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 23:32:59,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 23:32:59,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 23:32:59,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 23:32:59,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:32:53" (1/3) ... [2019-10-02 23:32:59,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e13b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:32:59, skipping insertion in model container [2019-10-02 23:32:59,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:32:55" (2/3) ... [2019-10-02 23:32:59,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e13b13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:32:59, skipping insertion in model container [2019-10-02 23:32:59,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:32:59" (3/3) ... [2019-10-02 23:32:59,973 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2019-10-02 23:32:59,986 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 23:32:59,999 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 23:33:00,021 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 23:33:00,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 23:33:00,059 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-02 23:33:00,059 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 23:33:00,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 23:33:00,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 23:33:00,059 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 23:33:00,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 23:33:00,060 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 23:33:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states. [2019-10-02 23:33:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-02 23:33:00,128 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:00,129 INFO L411 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] [2019-10-02 23:33:00,133 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:00,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:00,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1012892836, now seen corresponding path program 1 times [2019-10-02 23:33:00,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:00,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:00,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:00,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:00,216 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:00,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:00,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:00,804 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:00,811 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:00,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:00,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:00,841 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 3 states. [2019-10-02 23:33:01,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:01,871 INFO L93 Difference]: Finished difference Result 1496 states and 1982 transitions. [2019-10-02 23:33:01,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:01,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-02 23:33:01,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:01,928 INFO L225 Difference]: With dead ends: 1496 [2019-10-02 23:33:01,928 INFO L226 Difference]: Without dead ends: 1489 [2019-10-02 23:33:01,930 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:01,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2019-10-02 23:33:02,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1485. [2019-10-02 23:33:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-02 23:33:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1972 transitions. [2019-10-02 23:33:02,139 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1972 transitions. Word has length 29 [2019-10-02 23:33:02,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:02,140 INFO L475 AbstractCegarLoop]: Abstraction has 1485 states and 1972 transitions. [2019-10-02 23:33:02,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1972 transitions. [2019-10-02 23:33:02,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-02 23:33:02,154 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:02,154 INFO L411 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] [2019-10-02 23:33:02,155 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1357180638, now seen corresponding path program 1 times [2019-10-02 23:33:02,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:02,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:02,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:02,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:02,165 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:02,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:02,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:02,333 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:02,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:02,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:02,336 INFO L87 Difference]: Start difference. First operand 1485 states and 1972 transitions. Second operand 3 states. [2019-10-02 23:33:02,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:02,467 INFO L93 Difference]: Finished difference Result 1494 states and 1981 transitions. [2019-10-02 23:33:02,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:02,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-02 23:33:02,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:02,480 INFO L225 Difference]: With dead ends: 1494 [2019-10-02 23:33:02,480 INFO L226 Difference]: Without dead ends: 1494 [2019-10-02 23:33:02,481 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-10-02 23:33:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1485. [2019-10-02 23:33:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2019-10-02 23:33:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1971 transitions. [2019-10-02 23:33:02,550 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1971 transitions. Word has length 34 [2019-10-02 23:33:02,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:02,551 INFO L475 AbstractCegarLoop]: Abstraction has 1485 states and 1971 transitions. [2019-10-02 23:33:02,551 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1971 transitions. [2019-10-02 23:33:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-02 23:33:02,553 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:02,553 INFO L411 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] [2019-10-02 23:33:02,554 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:02,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1414438940, now seen corresponding path program 1 times [2019-10-02 23:33:02,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:02,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:02,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:02,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:02,563 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:02,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:02,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:02,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:02,713 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:02,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:02,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:02,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:02,714 INFO L87 Difference]: Start difference. First operand 1485 states and 1971 transitions. Second operand 3 states. [2019-10-02 23:33:03,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:03,613 INFO L93 Difference]: Finished difference Result 1484 states and 1969 transitions. [2019-10-02 23:33:03,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:03,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-02 23:33:03,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:03,625 INFO L225 Difference]: With dead ends: 1484 [2019-10-02 23:33:03,625 INFO L226 Difference]: Without dead ends: 1484 [2019-10-02 23:33:03,626 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:03,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2019-10-02 23:33:03,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2019-10-02 23:33:03,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1484 states. [2019-10-02 23:33:03,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1969 transitions. [2019-10-02 23:33:03,689 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1969 transitions. Word has length 34 [2019-10-02 23:33:03,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:03,690 INFO L475 AbstractCegarLoop]: Abstraction has 1484 states and 1969 transitions. [2019-10-02 23:33:03,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:03,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1969 transitions. [2019-10-02 23:33:03,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-02 23:33:03,692 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:03,692 INFO L411 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] [2019-10-02 23:33:03,693 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:03,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:03,693 INFO L82 PathProgramCache]: Analyzing trace with hash 897379620, now seen corresponding path program 1 times [2019-10-02 23:33:03,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:03,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:03,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:03,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:03,702 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:03,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:03,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:03,887 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:03,888 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:03,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:03,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:03,889 INFO L87 Difference]: Start difference. First operand 1484 states and 1969 transitions. Second operand 3 states. [2019-10-02 23:33:04,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:04,598 INFO L93 Difference]: Finished difference Result 1483 states and 1967 transitions. [2019-10-02 23:33:04,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:04,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2019-10-02 23:33:04,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:04,611 INFO L225 Difference]: With dead ends: 1483 [2019-10-02 23:33:04,611 INFO L226 Difference]: Without dead ends: 1483 [2019-10-02 23:33:04,612 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:04,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2019-10-02 23:33:04,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2019-10-02 23:33:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2019-10-02 23:33:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1967 transitions. [2019-10-02 23:33:04,679 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1967 transitions. Word has length 35 [2019-10-02 23:33:04,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:04,680 INFO L475 AbstractCegarLoop]: Abstraction has 1483 states and 1967 transitions. [2019-10-02 23:33:04,680 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:04,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1967 transitions. [2019-10-02 23:33:04,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-02 23:33:04,682 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:04,682 INFO L411 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] [2019-10-02 23:33:04,682 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:04,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:04,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2048414751, now seen corresponding path program 1 times [2019-10-02 23:33:04,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:04,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:04,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:04,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:04,694 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:04,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:04,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:04,855 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:04,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:04,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:04,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:04,857 INFO L87 Difference]: Start difference. First operand 1483 states and 1967 transitions. Second operand 3 states. [2019-10-02 23:33:06,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:06,858 INFO L93 Difference]: Finished difference Result 2907 states and 3880 transitions. [2019-10-02 23:33:06,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:06,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-02 23:33:06,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:06,887 INFO L225 Difference]: With dead ends: 2907 [2019-10-02 23:33:06,888 INFO L226 Difference]: Without dead ends: 2895 [2019-10-02 23:33:06,888 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2895 states. [2019-10-02 23:33:07,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2895 to 2874. [2019-10-02 23:33:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2874 states. [2019-10-02 23:33:07,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3847 transitions. [2019-10-02 23:33:07,094 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3847 transitions. Word has length 36 [2019-10-02 23:33:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:07,096 INFO L475 AbstractCegarLoop]: Abstraction has 2874 states and 3847 transitions. [2019-10-02 23:33:07,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3847 transitions. [2019-10-02 23:33:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-02 23:33:07,102 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:07,102 INFO L411 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] [2019-10-02 23:33:07,103 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:07,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:07,103 INFO L82 PathProgramCache]: Analyzing trace with hash 855999933, now seen corresponding path program 1 times [2019-10-02 23:33:07,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:07,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:07,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:07,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:07,113 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:07,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:07,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:07,261 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:07,261 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:07,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:07,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:07,262 INFO L87 Difference]: Start difference. First operand 2874 states and 3847 transitions. Second operand 3 states. [2019-10-02 23:33:07,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:07,474 INFO L93 Difference]: Finished difference Result 5249 states and 7001 transitions. [2019-10-02 23:33:07,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:07,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-02 23:33:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:07,527 INFO L225 Difference]: With dead ends: 5249 [2019-10-02 23:33:07,527 INFO L226 Difference]: Without dead ends: 5249 [2019-10-02 23:33:07,527 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:07,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5249 states. [2019-10-02 23:33:07,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5249 to 5234. [2019-10-02 23:33:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5234 states. [2019-10-02 23:33:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5234 states to 5234 states and 6987 transitions. [2019-10-02 23:33:07,857 INFO L78 Accepts]: Start accepts. Automaton has 5234 states and 6987 transitions. Word has length 64 [2019-10-02 23:33:07,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:07,858 INFO L475 AbstractCegarLoop]: Abstraction has 5234 states and 6987 transitions. [2019-10-02 23:33:07,858 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5234 states and 6987 transitions. [2019-10-02 23:33:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-02 23:33:07,869 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:07,870 INFO L411 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] [2019-10-02 23:33:07,871 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:07,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:07,871 INFO L82 PathProgramCache]: Analyzing trace with hash 2136533684, now seen corresponding path program 1 times [2019-10-02 23:33:07,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:07,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:07,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:07,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:07,887 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 23:33:08,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:08,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:08,097 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:08,101 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:08,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:08,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:08,102 INFO L87 Difference]: Start difference. First operand 5234 states and 6987 transitions. Second operand 3 states. [2019-10-02 23:33:09,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:09,182 INFO L93 Difference]: Finished difference Result 7649 states and 10201 transitions. [2019-10-02 23:33:09,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:09,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2019-10-02 23:33:09,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:09,249 INFO L225 Difference]: With dead ends: 7649 [2019-10-02 23:33:09,249 INFO L226 Difference]: Without dead ends: 7649 [2019-10-02 23:33:09,250 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:09,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7649 states. [2019-10-02 23:33:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7649 to 7634. [2019-10-02 23:33:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-02 23:33:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10187 transitions. [2019-10-02 23:33:09,691 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10187 transitions. Word has length 83 [2019-10-02 23:33:09,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:09,691 INFO L475 AbstractCegarLoop]: Abstraction has 7634 states and 10187 transitions. [2019-10-02 23:33:09,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10187 transitions. [2019-10-02 23:33:09,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-02 23:33:09,701 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:09,702 INFO L411 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] [2019-10-02 23:33:09,702 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:09,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:09,703 INFO L82 PathProgramCache]: Analyzing trace with hash -878134479, now seen corresponding path program 1 times [2019-10-02 23:33:09,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:09,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:09,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:09,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:09,712 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:33:09,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:09,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 23:33:09,950 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:09,951 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 23:33:09,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 23:33:09,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 23:33:09,952 INFO L87 Difference]: Start difference. First operand 7634 states and 10187 transitions. Second operand 5 states. [2019-10-02 23:33:10,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:10,126 INFO L93 Difference]: Finished difference Result 7634 states and 10183 transitions. [2019-10-02 23:33:10,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 23:33:10,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-10-02 23:33:10,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:10,224 INFO L225 Difference]: With dead ends: 7634 [2019-10-02 23:33:10,224 INFO L226 Difference]: Without dead ends: 7634 [2019-10-02 23:33:10,224 INFO L640 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 [2019-10-02 23:33:10,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7634 states. [2019-10-02 23:33:10,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7634 to 7634. [2019-10-02 23:33:10,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7634 states. [2019-10-02 23:33:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7634 states to 7634 states and 10183 transitions. [2019-10-02 23:33:10,596 INFO L78 Accepts]: Start accepts. Automaton has 7634 states and 10183 transitions. Word has length 99 [2019-10-02 23:33:10,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:10,597 INFO L475 AbstractCegarLoop]: Abstraction has 7634 states and 10183 transitions. [2019-10-02 23:33:10,597 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 23:33:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 7634 states and 10183 transitions. [2019-10-02 23:33:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-02 23:33:10,614 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:10,614 INFO L411 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] [2019-10-02 23:33:10,615 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash -729115681, now seen corresponding path program 1 times [2019-10-02 23:33:10,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:10,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:10,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:10,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:10,623 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:11,505 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-02 23:33:11,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:11,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:33:11,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:11,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:33:11,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:33:11,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:11,508 INFO L87 Difference]: Start difference. First operand 7634 states and 10183 transitions. Second operand 7 states. [2019-10-02 23:33:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:11,617 INFO L93 Difference]: Finished difference Result 7592 states and 10117 transitions. [2019-10-02 23:33:11,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:33:11,618 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2019-10-02 23:33:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:11,661 INFO L225 Difference]: With dead ends: 7592 [2019-10-02 23:33:11,661 INFO L226 Difference]: Without dead ends: 7592 [2019-10-02 23:33:11,662 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2019-10-02 23:33:11,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7586. [2019-10-02 23:33:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7586 states. [2019-10-02 23:33:12,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7586 states to 7586 states and 10109 transitions. [2019-10-02 23:33:12,037 INFO L78 Accepts]: Start accepts. Automaton has 7586 states and 10109 transitions. Word has length 104 [2019-10-02 23:33:12,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:12,038 INFO L475 AbstractCegarLoop]: Abstraction has 7586 states and 10109 transitions. [2019-10-02 23:33:12,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:33:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 7586 states and 10109 transitions. [2019-10-02 23:33:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-02 23:33:12,048 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:12,048 INFO L411 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] [2019-10-02 23:33:12,049 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:12,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:12,049 INFO L82 PathProgramCache]: Analyzing trace with hash -19505024, now seen corresponding path program 1 times [2019-10-02 23:33:12,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:12,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:12,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:12,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:12,058 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:33:12,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:12,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 23:33:12,225 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:12,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 23:33:12,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 23:33:12,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:12,226 INFO L87 Difference]: Start difference. First operand 7586 states and 10109 transitions. Second operand 3 states. [2019-10-02 23:33:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:13,408 INFO L93 Difference]: Finished difference Result 7588 states and 10082 transitions. [2019-10-02 23:33:13,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 23:33:13,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-02 23:33:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:13,452 INFO L225 Difference]: With dead ends: 7588 [2019-10-02 23:33:13,453 INFO L226 Difference]: Without dead ends: 7588 [2019-10-02 23:33:13,453 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 23:33:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7588 states. [2019-10-02 23:33:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7588 to 7569. [2019-10-02 23:33:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7569 states. [2019-10-02 23:33:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7569 states to 7569 states and 10063 transitions. [2019-10-02 23:33:13,742 INFO L78 Accepts]: Start accepts. Automaton has 7569 states and 10063 transitions. Word has length 100 [2019-10-02 23:33:13,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:13,743 INFO L475 AbstractCegarLoop]: Abstraction has 7569 states and 10063 transitions. [2019-10-02 23:33:13,743 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 23:33:13,743 INFO L276 IsEmpty]: Start isEmpty. Operand 7569 states and 10063 transitions. [2019-10-02 23:33:13,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-02 23:33:13,837 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:13,838 INFO L411 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] [2019-10-02 23:33:13,838 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:13,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:13,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1225259457, now seen corresponding path program 1 times [2019-10-02 23:33:13,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:13,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:13,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:13,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:13,846 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:33:14,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:14,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:33:14,025 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:14,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:33:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:33:14,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:14,026 INFO L87 Difference]: Start difference. First operand 7569 states and 10063 transitions. Second operand 7 states. [2019-10-02 23:33:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:14,116 INFO L93 Difference]: Finished difference Result 7538 states and 10014 transitions. [2019-10-02 23:33:14,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:33:14,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2019-10-02 23:33:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:14,150 INFO L225 Difference]: With dead ends: 7538 [2019-10-02 23:33:14,150 INFO L226 Difference]: Without dead ends: 7538 [2019-10-02 23:33:14,152 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:14,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7538 states. [2019-10-02 23:33:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7538 to 7530. [2019-10-02 23:33:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7530 states. [2019-10-02 23:33:14,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7530 states to 7530 states and 10004 transitions. [2019-10-02 23:33:14,400 INFO L78 Accepts]: Start accepts. Automaton has 7530 states and 10004 transitions. Word has length 100 [2019-10-02 23:33:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:14,401 INFO L475 AbstractCegarLoop]: Abstraction has 7530 states and 10004 transitions. [2019-10-02 23:33:14,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:33:14,402 INFO L276 IsEmpty]: Start isEmpty. Operand 7530 states and 10004 transitions. [2019-10-02 23:33:14,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-02 23:33:14,415 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:14,415 INFO L411 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] [2019-10-02 23:33:14,415 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:14,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:14,416 INFO L82 PathProgramCache]: Analyzing trace with hash -136702546, now seen corresponding path program 1 times [2019-10-02 23:33:14,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:14,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:14,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:14,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:14,425 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-02 23:33:14,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:14,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:33:14,639 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:14,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:33:14,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:33:14,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:14,642 INFO L87 Difference]: Start difference. First operand 7530 states and 10004 transitions. Second operand 7 states. [2019-10-02 23:33:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:14,741 INFO L93 Difference]: Finished difference Result 7532 states and 10006 transitions. [2019-10-02 23:33:14,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:33:14,742 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 108 [2019-10-02 23:33:14,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:14,778 INFO L225 Difference]: With dead ends: 7532 [2019-10-02 23:33:14,778 INFO L226 Difference]: Without dead ends: 7532 [2019-10-02 23:33:14,779 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7532 states. [2019-10-02 23:33:14,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7532 to 7524. [2019-10-02 23:33:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7524 states. [2019-10-02 23:33:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7524 states to 7524 states and 9996 transitions. [2019-10-02 23:33:14,998 INFO L78 Accepts]: Start accepts. Automaton has 7524 states and 9996 transitions. Word has length 108 [2019-10-02 23:33:14,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:14,999 INFO L475 AbstractCegarLoop]: Abstraction has 7524 states and 9996 transitions. [2019-10-02 23:33:14,999 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:33:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 7524 states and 9996 transitions. [2019-10-02 23:33:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-10-02 23:33:15,012 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 23:33:15,012 INFO L411 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] [2019-10-02 23:33:15,012 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 23:33:15,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 23:33:15,013 INFO L82 PathProgramCache]: Analyzing trace with hash -900641247, now seen corresponding path program 1 times [2019-10-02 23:33:15,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-02 23:33:15,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:15,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 23:33:15,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 23:33:15,020 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-02 23:33:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 23:33:15,211 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-02 23:33:15,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 23:33:15,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 23:33:15,212 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-02 23:33:15,212 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 23:33:15,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 23:33:15,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:15,214 INFO L87 Difference]: Start difference. First operand 7524 states and 9996 transitions. Second operand 7 states. [2019-10-02 23:33:15,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 23:33:15,359 INFO L93 Difference]: Finished difference Result 3968 states and 5233 transitions. [2019-10-02 23:33:15,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 23:33:15,360 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2019-10-02 23:33:15,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 23:33:15,360 INFO L225 Difference]: With dead ends: 3968 [2019-10-02 23:33:15,360 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 23:33:15,361 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 23:33:15,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 23:33:15,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 23:33:15,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 23:33:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 23:33:15,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2019-10-02 23:33:15,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 23:33:15,363 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 23:33:15,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 23:33:15,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 23:33:15,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 23:33:15,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:33:15 BoogieIcfgContainer [2019-10-02 23:33:15,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 23:33:15,373 INFO L168 Benchmark]: Toolchain (without parser) took 21507.50 ms. Allocated memory was 133.7 MB in the beginning and 654.8 MB in the end (delta: 521.1 MB). Free memory was 78.5 MB in the beginning and 538.4 MB in the end (delta: -459.9 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:15,374 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-02 23:33:15,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1935.49 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 78.3 MB in the beginning and 102.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:15,376 INFO L168 Benchmark]: Boogie Preprocessor took 230.41 ms. Allocated memory is still 201.9 MB. Free memory was 102.6 MB in the beginning and 89.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:15,377 INFO L168 Benchmark]: RCFGBuilder took 3926.95 ms. Allocated memory was 201.9 MB in the beginning and 286.8 MB in the end (delta: 84.9 MB). Free memory was 89.8 MB in the beginning and 114.2 MB in the end (delta: -24.4 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. [2019-10-02 23:33:15,378 INFO L168 Benchmark]: TraceAbstraction took 15408.82 ms. Allocated memory was 286.8 MB in the beginning and 654.8 MB in the end (delta: 368.1 MB). Free memory was 114.2 MB in the beginning and 538.4 MB in the end (delta: -424.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-02 23:33:15,382 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 133.7 MB. Free memory was 101.7 MB in the beginning and 101.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1935.49 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 78.3 MB in the beginning and 102.6 MB in the end (delta: -24.3 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.41 ms. Allocated memory is still 201.9 MB. Free memory was 102.6 MB in the beginning and 89.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3926.95 ms. Allocated memory was 201.9 MB in the beginning and 286.8 MB in the end (delta: 84.9 MB). Free memory was 89.8 MB in the beginning and 114.2 MB in the end (delta: -24.4 MB). Peak memory consumption was 112.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15408.82 ms. Allocated memory was 286.8 MB in the beginning and 654.8 MB in the end (delta: 368.1 MB). Free memory was 114.2 MB in the beginning and 538.4 MB in the end (delta: -424.2 MB). There was no memory consumed. 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, 15.3s OverallTime, 13 OverallIterations, 4 TraceHistogramMax, 8.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 15593 SDtfs, 8546 SDslu, 26773 SDs, 0 SdLazy, 175 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s 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: 2.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 105 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s 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...